Episodit
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In this episode of Talking Conservation, Rich and Stephen unpack one of the most feared problems in old buildings: Dry Rot.
We look at what dry rot actually is, why the name is misleading, how it differs from so-called wet rot, and why the presence of a fruiting body does not always mean you need to panic. We also explain why moisture is still the key factor, how rot really spreads, when identification matters, and why some of the old advice around chemicals and cutting back timber simply does not stand up.
This episode is not about turning viewers into rot identification experts. It is about helping owners of older buildings understand the basics, avoid common misunderstandings, and make better decisions before rushing into unnecessary treatments or repairs.
In this episode we cover:
- Why dry rot is such a feared term
- Why the name âdry rotâ is actually misleading
- The difference between dry rot, wet rot, brown rot and white rot
- Whether it really matters to identify the exact fungus
- How dry rot spreads, and what it canât do
- Why moisture is still the critical factor
- When to worry, and when not to
- Why chemicals are often overused
- Why fixing the moisture source is the real priority
- Why monitoring and maintenance matter after repairs
If you own, survey, repair, or care for an older building, this episode will help you understand dry rot in a more measured and practical way.
Coming up next in the timber series: Next we move on to woodworm and other beetle infestations, looking at when they matter, when they do not, and what you actually need to do about them.
Useful links
Expertible, book a 1:1 call with an independent expert:https://www.expertible.com
Stephenâs conservation training and CPD:https://www.beconservation.com
For the BRE downloadable book referred to in this episode visit: https://bregroup.com/store/bookshop/recognising-wood-rot-and-insect-damage-in-buildings.-3rd-edition-br-453-download
Talking Conservation is the podcast all about the conservation of old, traditional, and historic buildings and sites.
If you found this useful, please like, subscribe, and turn on notifications so you donât miss the rest of the timber series.
#TalkingConservation #DryRot #WetRot #TimberDecay #TimberRot #OldBuildings #BuildingConservation #HistoricBuildings #PeriodProperty #HeritageBuildings
Chapters00:00 Intro.00:11 Intro to subject, dry and other rots.01:27 Review of previous episode02:08 Why is dry rot a bad name for it?05:01 What are brown and white rots (and soft rot)?11:27 Identifying rots (and infestations) using BRE book 12:20 Does identification of the precise type of rot matter?14:34 What is the most destructive rot in the UK?15:00 Stephenâs Advert15:41 Assessing and identifying rot is about risk analysis16:05 How rots work (the scientific bit!)17:22 Is dry rot a water carrier â myth or not?19:29 Expertible Advert20:12 Stephenâs case study22:02 Richâs case study24:40 Blow torches - a cure for dry rot?26:18 Should we cut back 1 metre beyond the rot?28:33 The different impacts between persistent and intermittent moisture.29:34 Stephenâs second case study34:02 Should we panic if a rot outbreak is found?36:48 Use of chemicals (or not) to tackle rot.38:51 Summary of approach from BRE book.40:35 Stop the moisture!41:49 Maintenance is THE most important thing.42:58 Future episode on repair methods.43:49 Episode summary and wrap up.44:38 Next episode subject matter â insect infestation.45:03 Concluding comments.45:50 Outro music
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Why does timber rot, and what actually causes wood to decay in old buildings?In this second episode of our Talking Conservation timber series, Rich and Stephen dig into the real reasons timber rots, and why it is not simply a case of âold wood going badâ.
We explore the role of moisture, fungal growth, ventilation, drying, and environment, and explain why understanding these basics is essential before you can diagnose or fix any timber problem properly.
We also look at how moisture meters work, why they can be useful, how they can be misleading in the wrong hands, and what early warning signs to look for if you are worried about rot in your building.
If you own, manage, or work on an older building, this episode will help you understand why timber decays, how to spot the conditions that allow rot to thrive, and what practical steps can help prevent it in the first place.
In this episode, we cover:
- Why timber rots in old buildings
- How moisture meters work, and how to interpret them properly
- Why timber moisture content matters
- The four conditions fungi need to grow
- Why rot is about environment, not just age
- Ventilation myths and the importance of airflow
- Why forced drying can sometimes make things worse
- The word âBreathabilityâ (Richâs pet hate), hygroscopicity, vapour permeability and capillarity
- Early warning signs of timber decay
- Why understanding moisture paths is key to prevention
- This episode sets up the next part of the timber series, where we will look in more detail at wet rot, dry rot, soft rot, misdiagnosis, and chemical treatment.
Listen to the rest of the timber series:
Episode 1, How Timber Works in Old Buildings
Episode 3, Wet Rot vs Dry Rot, Whatâs the Real Difference? coming soon
Talking Conservation is the podcast all about the conservation of old, traditional, and historic buildings and sites. Donât forget to like the podcast, subscribe to the channel, and hit the notification bell so you donât miss the rest of the timber series.
Useful links
Expertible, book a 1:1 call with an independent expert:
https://www.expertible.com
Stephenâs conservation training and CPD:
https://www.beconservation.com
https://www.thebesttraining.co.uk
Timestamps:
00:00 Music intro.
00:04 Intro to subject, why does wood rot?
02:16 Moisture meters, to use or not to use?
15:21 Moisture danger zones.
17:52 What fungi need to grow.
21:39 Expertible
22:22 The rapid spread of rot, myth or not?
25:19 The spores are omnipresent, should we be worried?
25:37 Is ventilation the âsilver bulletâ?
30:01 The physics of drying: stage 1 and stage 2.
33:56 âBreathabilityâ, a term that gives Rich the âickâ!
36:43 What to look out for; signs of rotting timber.
44:18 BE Conservation
45:00 Finding concealed rot by probing and micro-drilling.
49:23 Can I analyse timber rot for myself?
50:30 Can dogs smell out rot?
53:10 Review of episode.
55:20 The importance of maintenance and understanding your building.
56:45 Episode wrap up and teaser for next episode.
58:31 Outro music.
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Puuttuva jakso?
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What actually is timber, and why is it such an important material in old buildings?In this first episode of our new Talking Conservation timber series, Rich and Stephen go right back to basics to explain how timber works, where it comes from, and why understanding it is essential before diagnosing any problems in historic buildings.From how trees grow, to the difference between heartwood and sapwood, to how timber is converted and used in buildings, this episode lays the foundation for everything that follows in the series.If you own, work on, or are interested in older buildings, understanding timber at this level will help you make better decisions when it comes to decay, repairs, and long-term performance.đď¸ In this episode, we cover:How trees grow and how timber is formedThe structure of timber (heartwood, sapwood and growth rings)What timber is made of and why it behaves differently to other materialsHow timber is converted from tree to usable building materialWhy timber is found in almost every part of an old buildingHow timber has been used historically (oak, softwood and changing practices)An introduction to dendrochronology and dating buildings using timberChapters00:00 Intro music.00:04 Welcome and intro to series.00:37 Is timber ubiquitous in historic buildings?03:52 How long timber can last.05:16 What is timber?06:13 What we will cover in this series.07:11 Understanding timber â what it is and the life cycle of trees.10:56 What is wood?15:40 Heartwood and Sapwood.17:06 Expertible Ad17:49 Dendrochronology.22:23 Hardwood and softwood.25:20 The importance of grain direction.28:42 Converting wood to timber â box heart.30:19 Chamfering edges.33:22 Converting wood to timber â drying.35:50 BE Conservation Ad36:32 Green, air dried and kiln dried Oak.41:28 Other timber species and brief history of use of different timber species.45:45 The use of finishes and paints.47:10 Architectural history and timber usage.47:44 Was dry rot imported?48:18 Introducing timber failure.49:28 Is historic timber better than modern?52:27 How design affects timber performance.53:14 Next episode teaser.54:09 Closing remarks.54:32 Closing music.đ Coming up in the timber series:Why timber rots (and how to stop it)Wet rot vs dry rotWoodworm and insect attackTimber repairs and when to replaceStructural movement in timber framesRoofs, floors, windows and common failure pointsInsulation and retrofit mistakesđ§ Talking ConservationTalking Conservation explores historic buildings, materials and defects through practical experience, expert insight and real-world examples.đ Subscribe and turn on notifications so you donât miss the rest of the timber series.đŹ Got a question about timber in your building? Leave it in the comments, we read every one.đ Useful linksExpertible (book a 1:1 call with an independent expert):https://www.expertible.comStephenâs conservation training and CPD:https://www.beconservation.comhttps://www.thebesttraining.co.uk/#TalkingConservation #Timber #HistoricBuildings #BuildingConservation #OldHouses #HeritageBuildings
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What happens if you rely on a builderâs advice, skip consent, or try to âfix it laterâ on a listed building?In this second myth-busting episode, we unpack the real legal risks of getting listed building works wrong.
Joined again by conservation architect Claire Truman, Stephen and Rich explore some of the most dangerous misconceptions homeowners have about listed buildings, planning consent, and enforcement.
From criminal liability and prosecution to enforcement notices that follow properties for decades, this episode explains why âasking forgiveness laterâ is rarely a safe strategy.
We cover:
- Who is legally responsible for unauthorised listed building works
- Why builders, owners, and professionals can all be liable
- The difference between prosecution and enforcement
- Why listed building breaches donât âtime outâ
- What happens when you buy a listed building with historic unauthorised works
- Whether using âtraditional materialsâ avoids the need for consent
- Common traps around insulation, kitchens, bathrooms, and services
- How poor applications and missing information cause delays and refusals
- This episode is essential listening for homeowners, buyers, professionals, or anyone responsible for work to a listed or historic building.
00:00 Intro
00:35 The quality of applications and some tips for making applications
04:02 Extensions of time and tracking an application
05:40 Withdrawing an application and re-submission â pros and cons
06:36 Experiences of applications â Rich and Claire
09:45 LPOC lobbying for simplifying some aspects of the process and Stephenâs experience
10:47 DBAs (Desk based archaeological assessments), NPPF (National Planning Policy Framework) and HER (Historic Environment Register)
12:26 MYTH âMy builder said it was fine to do this, so surely it must beâ- prosecution and enforcement
19:27 Working with builders
22:47 MYTH â it is easier to ask for forgiveness than get permission
27:57 Rebuilding properties and cultural significance
31:43 MYTH â if I use traditional materials, I donât need consent
35:02 Opening up â to do or not to do?
37:46 Dealing with conditions attached to planning
41:09 What does âtraditional materialâ mean?
44:40 Question regarding roof insulation
50:17 Question regarding repainting in a different colour
53:23 Question regarding re-fitting kitchens and bathrooms, wiring, and pipework
55:05 Thanks to Claire and Claireâs contact details
55:52 Final thoughts
58:53 Music outro
đ Subscribe for moreWe release practical, expert-led episodes on:
- Listed buildings & planning law
- Lime, timber, damp & traditional materials
- Avoiding costly mistakes in older homes
đŹ Have a question about your building or a topic youâd like us to cover?
Leave a comment, we read every one.
đ Link to Planning Portal, as mentioned in the video, https://www.planningportal.co.ukuse the search facility to find specific information.
đ Learn more about Claire Truman and her conservation architecture practice: https://heritagerevival.uk/
đ Our guest conservation architect expert, Claire, is available for impartial 1-1 video advice on Expertible, just search in the Regulatory Section here: https://expertible.com
đ Professionals involved in working on or with historic, traditional, or listed buildings may want 1-1 mentoring and/or training with Stephen. Visit his website at https://www.beconservation.com
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What can you actually do to a listed building?
In this episode of Talking Conservation, we cut through the confusion, myths, and half-truths that surround listed buildings and planning consent.Joined by conservation architect Claire Truman, we explore what homeowners are often told they canât do, versus what the legislation and real-world practice actually allow. Drawing on professional experience and real case studies, this conversation is about empowerment, understanding the system, and knowing where to get the right help.
We discuss:
⢠Common myths about listed buildings and consent
⢠What changes usually do and donât need permission
⢠How planning and conservation officers think about alterations
⢠When to seek professional advice and how to avoid costly mistakes
⢠Where flexibility exists within the rulesThis episode is ideal for owners of listed or historic buildings, prospective buyers, and professionals working with older properties.
About our guest
Claire Truman is a conservation architect and an independent expert available for impartial advice via Expertible.đ Subscribe and hit the notification bell so you donât miss future episodes, including upcoming myth-busting and themed mini-series.đŹ Have a question about your building or a topic youâd like us to cover? Leave a comment, we read every one.đ Learn more about Claire Truman and her conservation architecture practice: https://heritagerevival.uk/đ Our guest conservation architect expert, Claire, is available for impartial 1-1 video advice on Expertible, just search in the Regulatory Section here: https://expertible.comđ Professionals involved in working on or with historic, traditional, or listed buildings may want 1-1 mentoring and/or training with Stephen. Visit his website at https://www.beconservation.com
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Itâs been one year of Talking Conservation â and in this special anniversary episode, Rich and Stephen step back to reflect on the journey so far. From favourite episodes to lessons learned behind the mic, they also reveal whatâs coming next.
In this episode:
⢠Key takeaways from 12 months of podcasting
⢠Exciting plans for 2025 â including hands-on training and a conservation day
⢠Updates on Stephenâs new CPD training platform for professionals
⢠How Richâs platform, Expertible, is helping homeowners access independent conservation advice
⢠How you can shape future episodes with your feedbackđŻ Got a question or an idea for future episodes? Reach out via our websites below.
Book a 1-to-1 consultation: https://www.expertible.com
Explore Stephenâs CPD training: https://www.beconservation.com
Register interest for our Conservation Day:
https://bit.ly/conservation-day-surveyđ Follow to get notified about new episodes as we launch a brand new series soon â including one focused on timber and internal finishes.
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In this final episode of our Lime Series, weâre joined once again by master plasterer Sean Wheatley to explore the finer details of working with lime plaster on ceilings, restoring decorative cornices, and repairing historic mouldings in older UK homes.We cover:How to approach lime plaster ceiling repairs safely and effectivelyWhy cornices and ceiling roses matter for character and breathabilityCommon causes of ceiling failure in older buildingsRepairing and replacing traditional decorative plasterworkReal-world tips from decades of experience working on Victorian and Edwardian homesHow to blend new and original plaster seamlesslyWhether you're dealing with sagging ceilings, cracked cornices, or missing mouldings, this episode will help you understand what to do â and what to avoid â when working with lime plaster in period properties.đ Subscribe to our channel for expert advice on maintaining and restoring older homesđŁ This wraps up our series on lime â next, weâre diving into a whole new theme. Hit the bell to be notified when the next series goes live!đ Linksđ Expertible â 1:1 video consultations with independent heritage professionalsđ Stephen Boniface Associates â Chartered building surveyor and conservation specialistđ Who is this for?Homeowners of older UK properties, tradespeople working with traditional buildings, and anyone interested in practical conservation.đŹ Donât miss our full lime mortar series â Watch the full playlist hereContents00:00 Introduction00:40 A brief history of decorative plasterwork03:08 A brief history of fibrous plasterwork05:52 Forms of plaster and mixes 07:49 Changes in decorative plaster through the 17th and 18th centuries11:14 Whether to repair or replace14:00 Cleaning plaster details and taking a squeeze17:16 Applying soft distemper17:48 Taking a squeeze19:58 Installing new/replacement cornices and details25:00 The most challenging, rewarding, impressive jobs30:19 Running moulds and what lies behind32:33 Decorative plaster34:10 Aggregates, hair and additives48:31 Closing49:14 Outro
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In this episode of Talking Conservation, weâre joined by expert heritage plasterer Sean Wheatley, who brings decades of hands-on experience in the restoration of traditional ceilings and plasterwork in older homes. From sagging lath and plaster to hairline cracks and inappropriate repairs, Sean explains what to look out for, how to fix it â andwhen to call in a pro.
𧹠We discuss:
â What materials were historicallyused for ceilings (and why it matters)
â How to tell if a ceiling needsrepair or replacement
â Spotting signs of serious failurevs. cosmetic issues
â Why modern materials often makethings worse
â DIY options vs. when to leave itto specialists
â The pros and cons of differentlime plasters for interiors
â Myths around steamers, fillers,and patching old ceilings
â What goes wrong when corners arecut
â What not to do with cracked or sagging ceilings
đ ď¸ Whether you're dealing with acrumbling Victorian ceiling or just curious about traditional internalfinishes, this is packed with insight.
đ Mentioned in this episode:
đ Expertibleâ 1:1 video consultations with independent heritage professionals
đ Stephen Boniface Associates â Chartered building surveyorand conservation specialistđ Who is this for?
Homeowners of older UK properties, tradespeople working with traditionalbuildings, and anyone interested in practical conservation.đŹ Donât miss our full lime mortar series â Watch the full playlist here
Contents
00:00 Introduction
00:54 Seanâs background
04:07 Worshipful Company of Plaisterers
05:45 Apprentices
07:13 Working at distance from home
08:30 Ceiling constructions and laths
11:53 Choosing riven or sawn laths
13:35 Application and fixing of laths
18:21 Gaps between laths
19:49 Reed as a backing
23:03 Board backings
24:41 Earth plasters
27:07 Identifying ceiling constructions
28:19 Dealing with cracks and discussionabout hair
33:17 Patching ceilings
34:13 Checking the soundness of a ceiling
37:10 Repairing lath and plaster
41:41 Causes of ceiling failures
46:28 Lime plaster mixes
50:19 Hot lime mortar mixes
51:26 Hydrated (bagged) lime
53:04 Using plasterboard
55:29 Overboarding a ceiling
58:27 Concluding comments
59:18 Outro
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In this follow-up episode of Talking Conservation, weâre back with Steve Hogarth â SPAB Fellow, heritage mason, and rope access conservator with Highlife Rope Access â to dive deeper into how conservation really happens at height.From blocked gutters and cracked coping stones to wildlife nests and fragile leadwork, Steve shares what really goes on when you're dangling from ropes on cathedrals, castles, and churches â and why rope access can offer major advantages over traditional scaffolding.We explore:⢠What rope access actually is and when itâs used⢠Real-world examples of unexpected issues found at height⢠Why hands-on surveys can reveal more than drones or binoculars⢠The most common (and preventable) problems that damage old buildings⢠How rope access enables small, cost-effective repairs that prevent bigger failures⢠What makes rope access viable (or not) for domestic buildings⢠Why itâs an essential part of modern conservation practiceWhether youâre a homeowner, architect, or heritage professional, this episode offers unique insight into how careful, targeted intervention at height can extend the life of historic buildings.đ https://www.highliferopeaccess.com/đhttps://www.instagram.com/highlife_rope_access/đhttps://www.facebook.com/HIGHLIFEROPEACCESS/đ Subscribe to our channel for future episodes on building conservation, heritage homes, and expert advice.đ Book a consultation with us for 1-1 advice on managing your historic home on www.expertible.comđ Professionals involved in working on or with historic, traditional, or listed buildings may want 1-2-1 mentoring and/or training with Stephen. Visit his website at www.beconservation.com#talkingconservation #traditionalbuildings #buildingconservation #historicbuildingrestoration #traditionalconstructionmaterials #limemortar #preservingarchitecturalheritage #listedbuildings #heritageprotection #historichomes #traditionalhomes #restorationtips #homerestoration #architecturalheritage #historicmaterials #highliferopeaccess
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Whatâs the biggest threat to your historic building? Water.
In this special episode of Talking Conservation, weâre joined by Steve Hogarth â SPAB Fellow, heritage mason, and rope access conservator with Highlife Rope Access â to explore how the smallest details up high can make the biggest difference to your buildingâs long-term health.
We dig into:
- Why effective drip detailing is critical to keeping water off your building
- What causes damage when high-level details are missing or poorly repaired
- Sky-facing joints and how they differ from vertical surfaces
- How to assess and choose the right lime mortar mix for exposed locations
- The overlooked genius of traditional detailing (like string courses, throatings & hood moulds)
- When to use NHL, hot lime, or natural cements- Why small targeted maintenance can prevent costly full-scale repairs
- Real-world insight from Steveâs rope access conservation work on churches and historic buildings
This is an essential listen for homeowners, tradespeople, or professionals working with older or listed buildings.
Chapters:
00:00 Introduction
01:57 Drips and throatings
06:44 Impact of the Grand Tour
07:35 Umbrellas for buildings!
09:13 Clogged details and past rebuilding
10:28 Water pathways and identifying problems
12:59 Stephen's anecdote about finding a leak
15:01 Stopping water getting in
16:54 Junctions between materials
17:38 Choice of material for repair
19:56 Mortar mixes for exposed areas
24:38 Dealing with coastal locations
27:21 Ongoing maintenance
29:04 Limewashing or covering and changing exposed elevations
31:08 Shedding and sky-facing surfaces
35:02 Concluding comments
35:54 Outro
đ High Life Rope Access: https://www.highliferopeaccess.com/
đ Need expert 1:1 advice for your traditional or historic home?Book a video consultation with an independent specialist at www.expertible.com
đ Professionals wanting mentoring or training with Stephen Boniface? Visit www.beconservation.com
đ Subscribe for more episodes on lime, building conservation, materials, and expert insights from tradespeople working at the sharp end.
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Before choosing your lime mortar or plaster, you need to understand your substrate.
In this bonus episode of Talking Conservation, Stephen and Rich explore the importance of knowing what's behind or beneath your mortar; from soft handmade bricks and old stone to chalk walls and cob.
Whether you're repointing, plastering, or rendering, understanding the substrate is critical to choosing the right mix and achieving long-lasting results.
We cover:
- What a âsubstrateâ actually means in traditional buildings
- Common types found in historic homes (brick, stone, cob, timber)
- How substrate affects your lime choice and application
- Assessing problems and indicators of hidden issues
- Mistakes to avoid when applying lime to inappropriate surfaces
- Decision making, such as when to strip inappropriate materials
- Key questions to ask before starting any conservation work When to call in the professionals
- Keeping a record
âśď¸ Whether you're a homeowner or a professional working with heritage buildings, this video helps you avoid common issues and build with confidence.
đ New to the Lime Series? Start here:
Ep.1: The Lime Cycle Explained â How lime is made and reabsorbs COâ
Ep.2: Lime Mortar Types Explained â Key differences between air lime, NHL, pozzolans & more
Ep.3 Part.1: Which Lime to Use? â Mortars for pointing & bedding in older buildings
Ep.3 Part 2: Which Lime to Use? - Plasters and Renders
Ep.3 Part.3: High Exposure Areas & Floors â Using lime in chimneys, ridges, parapets, and floors
đ Subscribe for upcoming episodes on more specialist areas
đ For 1-to-1 advice or a consultation, visit: www.expertible.com
đź Professionals: Training & mentoring available at www.beconservation.com
#TalkingConservation #SubstratesExplained #LimeMortar #BuildingConservation #OldHouseDIY #HistoricHomes #TraditionalMaterials #LimePlaster #problemsolving #decisionmaking #professional help #heritageskills #limerender #lathandplaster #historictimberframes
Chapters00:00:00 â 00:00:50
Introduction00:00:50 - 00:02:23
What is a substrate?00:02:23 - 00:03:33
Flint00:03:33 - 00:05:22
Stone00:05:22 - 00:05:31
Cob and earth00:05:31 - 00:06:12
Wattle and Daub, lath and plaster00:06:12 - 00:06:56
Multiple substrates00:06:56 - 00:08:24
Behaviour of substrates (the science bit!)00:08:24 - 00:09:43
Timber00:09:43 - 00:10:57
Absorbency and moisture performance00:10:57 - 00:14:25
Cement render on timber frame (case study)00:14:25 - 00:16:34
Assessing problems and key indicators00:16:34 â 00:19:48
Delamination and hammer testing00:19:48 â 00:23:02
Decision making00:23:02 â 00:24:43
Should I remove cement render/pointing?00:24:43 â 00:26:36
Have I got layers of material?00:26:36 â 00:27:46
A judgement call and bringing in professionals00:27:46 â 00:28:52
Substrate preparation00:28:52 - 00:30:43
Wetting down surfaces 00:30:43 â 00:32:05
Plaster coats00:32:05 â 00:34:56
Use of hair in mixes00:34:56 â 00:39:25
Controlling the âsetâ00:39:25 â 00:40:14
Lath and plaster00:40:14 â 00:41:33
Dealing with modern interventions00:41:33 â 00:46:37
Removing modern material00:46:37 â 00:49:30
Surface finishes00:49:30 â 00:55:58
Changing aesthetics and appearance00:55:58 â 00:56:56
Key message â understand the building00:56:56 â 00:58:27
The importance of keeping a record00:58:27 â 00:59:11
Future episodes00:59:11 â 00:59:48
Expertible00:59:48 â 01:00:05
Close01:00:05 â 01:00:28
Outro
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Not sure which lime to use for a chimney, solid floor, or coping stone? In this episode of Talking Conservation, we explain how to choose and apply the right lime mix for floor construction and high-exposure areas in older homes.
In this episode, Rich and Stephen continue their deep dive into lime mortars, exploring how to apply them in real-world contexts where performance under pressure really matters.
We cover the use of limecrete floors and lime ash floors, debunking common myths about moisture performance and clarifying where lime-based solid floors offer real benefits (and where they donât).
We also examine high-exposure areas such as chimneys, ridge tiles, parapets, and copings â where material choice is critical. Should you use NHL 3.5? NHL 5? Is cement ever appropriate? We walk through the options and trade-offs.
Whether you're repairing flaunchings or considering a breathable solid floor alternative, this episode gives you practical advice grounded in conservation principles.
đ Missed the earlier episodes? Start here:⢠Ep.1: The Lime Cycle Explained â Where lime comes from, how itâs made, and how it changes chemically from limestone to lime and back again.⢠Ep.2: Lime Mortar Types Explained â Air lime, NHL, hot lime, and pozzolans demystified â we explain their properties and behaviour.⢠Ep.3: Which Lime to Use? Part 1 â Mortars for Building & Pointing Older Buildings â Where and how to use the different lime types for masonry and repointing.
⢠Ep.4: Which Lime to Use? Part 2 â Plasters & Renders - Which types of plasters to use internally and pros and cons of the various options for external renders.
đ Subscribe to our channel for future episodes on conservation, traditional buildings, and expert insight.đ Need personalised advice? Book a consultation at www.expertible.comđ Professionals can also book mentoring or training via Stephenâs site: www.beconservation.com
#BuildingConservation #TraditionalMaterials #LimeMortar #HistoricBuildings #Retrofitting #HeritageSkills #TalkingConservation #Architects #Surveyors #Builders #ConservationProfessionals
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Lime Plaster & Render Uses Explained â How to choose the right mix for old buildingsIn this episode of Talking Conservation, Stephen and Rich continue their deep dive into lime applications; this time focusing on internal plasters and external renders for traditional and historic buildings.We discuss the different types of lime used in plaster and render work; including air lime, NHL 2, NHL 3.5, hot lime, and pozzolanic mixes and how to choose the right one based on the substrate, exposure, and performance needs.We cover:Why flexibility and vapour movement matter in internal plaster systemsWhen to avoid overly hard or dense mixes on older wallsHow to approach external render repairs or replacementsWhat to do when cement-based render is already presentModern vs. traditional techniques â and where specialist mixes like insulating plasters might helpThis practical discussion is rooted in conservation knowledge, with decades of experience in what works, and what doesnât, when applying lime-based systems in heritage settings.Whether you're working on your own older property or advising clients as a professional, this episode will help you make informed choices on plaster and render mixes.đ Missed Part 1? Watch it here: âWhich Lime to Use? Part 1 â Mortars for Building & Pointing Older Buildingsâđ New to the series? Start here:⢠Ep.1: The Lime Cycle Explained â where lime comes from, how it's made, and how it behaves chemically in use⢠Ep.2: Lime Mortar Types Explained â covering air lime, hydraulic lime, hot lime and hybrid mixesđ Subscribe for more on building conservation, restoration, and heritage homesđ Homeowner? Book a 1-1 consultation at www.expertible.comđ Professional? Learn more about mentoring or training with Stephen at www.beconservation.com
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Lime Mortar Uses Explained â How to apply the correct mix for your historic homeIn this episode of Talking Conservation, Stephen and Rich explain how different types of lime mortar are applied to traditional buildings; from soft brick pointing to bedding stone walls. We cover the pros and cons of air lime, NHL 2, NHL 3.5, and hot lime mixes and how they compare to cement-based mortars often found in repairs.When considering pointing; we talk about the adage that "the pointing should always be softer than the surrounding masonry" and explain this. We discuss when to consider repointing and briefly look at what repointing involves. In our discussion we briefly touch on tuck pointing.During the discussion we consider how brick making has changed over the centuries and how mortar/pointing has also changed.Whether youâre a homeowner working on an older property or a trade professional unsure which lime mix is right for the job, this episode gives you practical guidance rooted in conservation experience.The next episode looks at the use of lime for internal plasters and external renders.đ New to the series? Watch these first:⢠Ep.1: The Lime Cycle Explained â where lime comes from, how it's processed, and how it transforms chemically from limestone to lime and back again.⢠Ep.2: Lime Mortar Types Explained â the different types of lime (air lime, NHL, hot lime, pozzolanic mixes), their characteristics, and how they behave in buildings.đ Subscribe to our channel for future episodes on building conservation, heritage homes, and expert advice.đ Book a consultation with us for 1-1 advice on managing your historic home on www.expertible.comđ Professionals involved in working on or with historic, traditional, or listed buildings may want 1-2-1 mentoring and/or training with Stephen. Visit his website at www.beconservation.com
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In this episode of Talking Conservation, we explain the different types of lime used in building and restoration work. If you have ever wondered what the difference is between air lime, natural hydraulic lime (NHL), pozzolans, or hybrid lime mixes, this video will give you a clear introduction.
Understanding the types of lime is essential before starting any work on older or historic buildings. Whether you are a homeowner, builder, surveyor or anyone dealing with traditional construction, choosing the right lime can make a big difference to the long-term condition of the building.
We cover:
What air lime is and how it works
How pozzolans change lime chemistry and performance
What makes a lime hydraulic and how NHLs are classified
The role of hybrid mixes, including hot lime and insulating lime plasters
The importance of matching materials to traditional buildings
This is the second video in our lime series. In the next episode, we will discuss how to select and apply the correct lime type for specific jobs including pointing, rendering, plastering and flooring.
đ Subscribe to our channel for future episodes on building conservation, heritage homes, and expert advice.
đ Book a consultation with us for 1-1 advice on managing your historic home on www.expertible.com
đ Professionals involved in working on or with historic, traditional, or listed buildings may want 1-2-1 mentoring and/or training with Stephen. Visit his website at www.beconservation.com
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Rich finds a lime kiln. Stephen nerds out on chemistry. Somehow, it all makes sense.
In this episode of Talking Conservation, we walk through the full lime cycle â from burnt limestone to breathable lime mortar â and explain why it still matters today.
Packed with practical knowledge, dry humour, and the occasional chemistry flashback, this is your crash course in the building material thatâs been quietly doing the heavy lifting for centuries.
Rich comes across an old disused lime kiln and this leads us to discuss the Lime Cycle. Stephen talks about how a source of Calcium Carbonate (e.g. Limestone) is taken through various processes that each change the nature of the material, but that at the end it reverts to a form of Calcium Carbonate again - hence the term Lime Cycle. Rich reflects on this at the end and mentions that we will look at various forms of lime (as used in building works) in a future video.
#limestone #thelimecycle #buildinglimes #buildingconservation #talkingconservation #buildingmaterials
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Douglas Kent is the Technical Secretary ofSPAB, but in his private capacity purchased The Old Sun Inn, Saffron Walden, afew years ago, having previously acquired the neighbouring properties. We talkabout how Douglas got involved in conservation and how he came to the point ofbuying these buildings. We discuss thechallenges he has so far faced and those he is yet to tackle. Amongst theissues discuss3ed we consider how to undertake appropriate repairs, dealingwith inappropriate past works, upgrading to modern requirements and dealingwith building regulations. Douglas tellsus about his plans for the future and mentions some of the events lined up.
The website of The Old Sun Inn can be foundhere:
https://oldsuninn.com/
Instagram: https://www.instagram.com/oldsuninn/
Facebook: https://www.facebook.com/profile.php?id=100093592571779
Alec Clifton Taylorâs âSix More English Townsâ Saffron Waldenâ â the quality of the video is not great.
https://www.youtube.com/watch?v=KgUyzk8V7IY
Links to books on Amazon. Please note that we do earn a very smallamount of commission from Amazon if you purchase through these links.
Alec Clifton Taylor
Six More English Towns (book) https://amzn.to/3FDgTOI
The Pattern of English Building https://amzn.to/3DyIPmc
Ronald Brunskill
Illustrated Handbook of VernacularArchitecture https://amzn.to/3FydvnX
Chapters
00:00:00 Intro.
00:08:21 Welcome to The Old SunInn and introduction of Douglas.
00:40:03 Douglasâ background andbecoming a surveyor.
02:33:15 Introduction to SPAB andgetting a job there.
03:39:06 How Douglas came topurchase the properties.
05:45:11 History of thebuildings.
08:21:09 Condition at the time ofpurchase.
09:12:06 Original intentions forthe buildings.
11:21:00 Tackling externalproblems.
14:06:17 Dealing with the layersof limewash, plasterwork, and pargeting.
20:53:16 History of thepargeting.
24:57:23 Obtaining consent forworks.
27:06:22 Being a leaseholder.
29:08:11 Advice to those puttingin consent applications.
31:33:07 Surprises encountered.
35:03:05 Understanding thebuilding â why it is important.
35:49:14 Challenges of modernliving and requirements, particularly services.
38:18:03 Building regulationsincluding fire safety.
40:20:10 Windows and thermalperformance.
44:14:13 When to DIY and when notto.
46:04:04 The need forprofessionals to have practical knowledge.
47:42:16 Favourite books.
49:34:21 Favourite building.
50:23:12 Contact information andfuture events at The Old Sun Inn.
52:51:02 Outro.
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Ian is the CEO of Stow Maries Great War Aerodrome (museum). We talk about his past and how he came to be at Stow Maries, as well as describing the site and its buildings. Some issues we specifically talk about are Hoop Iron and Asbestos. We also discuss the use of volunteers and how these are essential to the running of the museum. An ongoing problem that faces most museums is funding and we talk about funding for Stow Maries. We also look at future plans and Ian also tells us what inspires him.Chapters00:00:00 Music intro. 00:07:09 General introduction.00:30:07 Introduction to the museum and Ian Flint.00:56:11 Ianâs story about how he became involved.02:54:08 About Stow Maries Great War Museum.04:28:23 About the site.08:34:15 Types of buildings on site.10:01:03 Accessibility, facilities, and buildings in use.12:00:13 The present condition of buildings and what works are ongoing and planned.14:14:15 Hoop Iron â what is it and how it is being dealt with?19:21:06 The airfield aspect.20:22:19 Asbestos â how it is approached and dealt with.23:33:04 Seeking professional guidance.26:35:21 Dealing with contractors.30:36:18 Volunteers â creating a group of volunteers and retaining them.38:29:04 Funding and the Heritage Lottery Fund.44:22:00 Donating to the museum.45:16:23 Social media presence.46:24:02 The future of Stow Maries.49:10:03 What inspired Ian and continues to drive him.52:18:19 Favourite place or places.55:14:04 Closing comments and thanks.55:29:09 Outro.
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Buildings Insurance for Historic Homes: Everything You Need to KnowIn this episode, we sit down with Steve Moores, Client Director for Howden Insurance, to discuss the ins and outs of buildings insurance for historic homes. Whether youâre a homeowner, landlord, or tenant of an old property, this episode is packed with essential advice to help you protect your home.Key Topics Covered:- How to assess the rebuild value of your historic property.- Factors that impact insurance premiums and how to lower costs.- Risks specific to older homes, such as fire, flood, subsidence, and more.- The challenges of insuring during the current "hard market."- What happens if youâre underinsured and how to avoid costly mistakes.Jump to specific sections using the timestamps below:00:00:00 - Introductions00:02:38 - Assessing the rebuild value of a building00:08:49 - Building Cost Information Service limitations00:19:07 - How often to assess a rebuild value00:27:52 - What affects insurance premiums the most00:30:47 - Water leak detectors00:37:39 - Escape of oil00:40:55 - Domestic energy storage & batteries00:43:02 - Risks of fire00:46:32 - Risk of flood00:50:09 - Subsidence00:51:35 - The current insurance "Hard Market"00:59:09 - Insuring for subsidence01:04:54 - Discussion on claims01:08:38 - "Betterment"01:16:37 - What happens if you're underinsured01:26:13 - Having significant building works done01:31:05 - Wrap upLinks & Resources Mentioned:đ Tools for Assessing Your Historic Property:* Building Cost Information Service (BCIS): https://www.bcis.co.uk* Rebuild Cost Assessment (Desktop Assessment - use code HOWDEN20):https://www.rebuildcostassessment.com/desktop-assessment* Benchmark Cost Assessment Services: https://bch.uk.com/benchmark/
đ Flood Risk Resources:* Flood Re Initiative (Affordable Flood Insurance): https://www.floodre.co.uk* Government Flood Risk Information: https://flood-map-for-planning.service.gov.uk
đ§ Renovation Insurance:* Renovation Plan (Insurance for Renovation or Building Work): https://www.renovationplan.co.uk
đŹ Join the Conversation:* "Your Old House UK - Repair and Conservation" Facebook Group: https://www.facebook.com/share/g/1Ew6kmuVjw/?mibextid=wwXIfr
đ Building Insurance Services:* Howden Insurance â Private Clients: https://www.howdeninsurance.co.uk/private-client/
đ§ Connect with Steve Moores:* Email Steve: â [email protected].ukâ đ Subscribe to our channel for weekly episodes on building conservation, heritage homes, and expert advice.đ Book a consultation with us for 1-1 advice on managing your historic home on https://expertible.com
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If you're a fan of home renovations, historic properties, or jaw-dropping transformations, youâve likely heard of Gregâbetter known on social media as âMan with a Hammer.â In this episode, we dive into his epic journey of restoring the Admiralâs House, a massive 8000-square-foot ex-Naval officerâs quarters in Plymouth, into a stunning forever home.Built in 1804, this grand Georgian property boasts 30+ rooms, 5 floors, and 60+ windowsâbut it needed serious TLC. Greg shares his Yorkshire upbringing, his DIY struggles as the self-proclaimed 'office wally,' and the inspiration behind his gorgeous interior design style. We also explore the challenges of tackling such a huge solo renovation project.Whether youâre a DIY enthusiast, a lover of historic homes, or just curious about this viral renovation story, this episode is packed with inspiration and insights. Donât miss it!Link to Greg's Sunday Times Best Seller Book: https://bio.to/ManWithAHammer#oldbuildings #restoration #interiordesign #conservation
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