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#702: Dedicated Dehumidification, Wet Basement Walls, and Future Forest Products

The Fine Homebuilding Podcast

Release Date: 09/12/2025

#734: Extension Jambs, Ventilation for Multifamily Buildings, and Fitting Doors show art #734: Extension Jambs, Ventilation for Multifamily Buildings, and Fitting Doors

The Fine Homebuilding Podcast

Ian and Grant help Patrick Adress listener feedback and answer their questions about ventilation for a small apartment building and the best way to fit doors when the floor slopes around them. David discusses bath tub drains in Japan and Taiwan. Will shares tips for airtight windows with tight fitting extension jambs. Greg asks about ventilation for his four-unit apartment building. Jim wonders if he should scribe door bottoms to match sloping floors. Tune in to of the Fine Homebuilding Podcast to learn more about:  Adjusting windows so extension jambs are tight-fitting and uniform...

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#733: Double-Stud Walls, Construction Second Career, and Hardwood on Concrete Slabs show art #733: Double-Stud Walls, Construction Second Career, and Hardwood on Concrete Slabs

The Fine Homebuilding Podcast

Grant and Randy help Patrick address listener feedback and answer their questions. Grant gives an update on current editorial assignments and travel. Randy shares what’s going on at Green Building Advisor and current building investigations. Tune in to of the Fine Homebuilding Podcast to learn more about:  Theoretical and real seasonal moisture accumulation in double-stud walls  Starting a second career in residential construction The best way to install hardwood flooring on concrete slabs  Have a question or topic you want us to talk about on the show? Email us at .  ...

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#732: Indoor Humidity, Spreading Kneewalls, and Interior Air Barriers show art #732: Indoor Humidity, Spreading Kneewalls, and Interior Air Barriers

The Fine Homebuilding Podcast

Vince and Chris share thoughts on maintaining comfortable indoor humidity. Benoît considers strengthening his outbuilding with spreading kneewalls. Anna wonders what interior air barrier is right when drywall is off the table. Tune in to of the Fine Homebuilding Podcast to learn more about:  Humidifying interior spaces without creating condensation   Fixing a 1 1/2 story building with a sagging ridge and spreading walls Creating an interior air barrier behind wood paneling without drywall Have a question or topic you want us to talk about on the show? Email us at .     ...

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#731: Risks of CO, Proper Painting Sequence, and Detailing Felt WRBs show art #731: Risks of CO, Proper Painting Sequence, and Detailing Felt WRBs

The Fine Homebuilding Podcast

Marc describes the dangers of carbon monoxide poisoning. Jim thinks that complex heating and cooling systems require coordination between trades. Corey asks about the right order to paint new walls and trim. Mike and Andrew ask for more discussion of asphalt felt water resistive barriers. Randy and Ian help Patrick address listener feedback and answer their questions.      Tune in to of the Fine Homebuilding Podcast to learn more about:  ·       The real risks of malfunctioning combustion appliances  ...

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#730: Septic Fix, Insulating a Cape, and Ducts in Plenum Trusses show art #730: Septic Fix, Insulating a Cape, and Ducts in Plenum Trusses

The Fine Homebuilding Podcast

Paul shares an update on his septic system saga. Mike Guertin asks Ian about impact drivers. John asks about insulating the knee walls and roof of his Cincinnati-area Cape. Jim is building a ranch-style house and asks about using plenum trusses to hide heating and air conditioning ducts. Ian and Randy help Patrick address listener feedback and answer their questions.  The crew shares updates on current projects.   Tune in to of the Fine Homebuilding Podcast to learn more about: A simple upgrade to make septic system maintenance easier The pros and cons of spray-foaming a 50’s...

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#729: Robots, Construction Second Career, and Building on Piers show art #729: Robots, Construction Second Career, and Building on Piers

The Fine Homebuilding Podcast

Matt doesn’t think robots and AI will make us live like the Jetsons. Mike updates us on his owner/builder house and making a career change to construction. Miranda is looking for advice on air-sealing and insulating the floor of a house partially built on piers. Ian and Randy help Patrick address listener feedback and answer the construction building science questions.   Tune in to of the Fine Homebuilding Podcast to learn more about:  Technology and its effect on the construction industry  Making a career change to residential construction    Warm and dry...

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#728: Too Much Stuff, ERV Ductwork, and Spray Foam Under Paneling show art #728: Too Much Stuff, ERV Ductwork, and Spray Foam Under Paneling

The Fine Homebuilding Podcast

Ian and Randy help Patrick address listener feedback about storing tools and stuff. Brett is designing a whole house ventilation system and asks about the right way to duct his system. A Fine Homebuilding web member inquires about closed-cell foam insulation installed behind walls covered with nickel-gap paneling.    Tune in to of the Fine Homebuilding Podcast to learn more about:  How much storage and stuff is enough  The options for fully ducted balanced ventilation systems The best insulation and vapor control for wood-paneled wall Have a question or topic you...

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#727: Dehumidification, Freestanding Tubs, and Crawlspace Vapor Barriers show art #727: Dehumidification, Freestanding Tubs, and Crawlspace Vapor Barriers

The Fine Homebuilding Podcast

Scott shares his thoughts on whole-house dehumidification. Ian asks about light fixtures and tile waterproofing for a Euro-style bathroom. Sean wonders if a crawlspace vapor barrier will make his mudsills wet.   Tune in to of the Fine Homebuilding Podcast to learn more about:  Using an ERV to help distribute dehumidified air  Waterproofing Euro-style bathrooms  Crawlspace vapor barriers and water management Have a question or topic you want us to talk about on the show? Email us at .     ➡️ Check Out the Full Show Notes: ➡️ Learn about the ...

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#726: Heat-Pump Performance, Asphalt Felt, and Interior Humidification show art #726: Heat-Pump Performance, Asphalt Felt, and Interior Humidification

The Fine Homebuilding Podcast

This week on the Fine Hombuilding Podcast, listeners write in about heat-pump performance and ask questions about using asphalt felt for a WRB and maintaining comfortable indoor humidity. FHB senior editor Patrick McCombe is joined by Green Building Advisor editor Randy Williams, Fine Homebuilding technical editor Mark Peterson, and producer Cari Delahanty.   Tune in to of the Fine Homebuilding Podcast to learn more about:  Heat-pump performance during cold snaps Using tar paper as a WRB Raising indoor relative humidity during winter months Have a question or topic you want us...

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#725: LIVE From the 2026 International Builders’ Show show art #725: LIVE From the 2026 International Builders’ Show

The Fine Homebuilding Podcast

This week we're excited to bring you a very special episode from the floor of the 2026 International Builders' Show in Orlando, FL! FHB editorial director Brian Pontolilo, GBA editor Randy Williams, and FHB technical editor Mark Petersen are joined by Daniel Sutton from VERSATEX Building Products to discuss strategies for low-maintenance exteriors.   Tune in to of the Fine Homebuilding Podcast to learn more about:  Realistic expectations for low-maintenance exteriors The pros and cons of PVC siding and trim materials Common siding mistakes and how to avoid them Have a question...

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More Episodes

Doug describes the science behind soundproofing in theater spaces. Will gives Ian a timely “told-you-so”. Kevin wonders what’s causing his basement stairway to be wet. Dan asks about the future of forest products.

 

Grant, Brian, and producer Cari address reader feedback on sound-control in buildings and the importance of dedicated dehumidification in low-load houses. They answer listener questions about wet block walls and what building houses will look like in the future.   

 

Tune in to Episode 702 of the Fine Homebuilding Podcast to learn more about: 

  • Central ducted dehumidification systems 
  • Why is an enclosed basement stairway damp
  • How we will we build houses in the future   

Have a question or topic you want us to talk about on the show? Email us at fhbpodcast@taunton.com.  

 

➡️ Check Out the Full Show Notes: FHB Podcast 702

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