Building science / Discussions

How do I insulate my half below grade basement?

...building science! The building is over 100 years old with a half below grade (fully cured!) concrete basement. No exterior insulation, I'm guessing no exterio...

Posted by tom mckeand Oct. 14, 2019, 11:01 p.m. Basements improvements 1 Responses

How do you apply vapor barrier and insulation to a CMU house?

...science behind the moisture movement is the same. Is there any efflorescence (moisture stains) on the walls? South Carolina can have a bit of a range of clima...

Posted by Scott Brekke Nov. 22, 2019, 9:37 a.m. Basements improvements 1 Responses

Does hydronic radiant cooling work?

...building envelope, you can often wait out a heat wave (at least on the main floor) without the need for artificial cooling, as the concrete absorbs the ambient ...

Posted by dean c April 30, 2019, 8:01 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is the best wall design for cold climates?

...building envelope. There is not one perfect wall system we would point you towards, but rather give you some tips on how to determine that yourself. The buildin...

Posted by Jeremy Hull Jan. 20, 2021, 10:21 a.m. Concept and design 1 Responses

How do you install rigid insulation to the outside of a brick house"

...Building Science Made Easy Video . Once you know what a wall is supposed to do, the options will make more sense.

Posted by Gordon CASWELL Dec. 13, 2019, 11:38 a.m. Wall assemblies - renovation 1 Responses

For home renovation, is it better to install insulation on the inside or outside?

...Building science basics Choosing the right insulation Dense packed cellulose Spray foam Foam panels Should your exterior need renovating anyway, con...

Posted by Neil Richardson Jan. 29, 2019, 4:09 p.m. Wall assemblies - renovation 1 Responses

How can I insulate an interior back wall that is NOW an exterior back wall?

...building is letting in cold air. I need to insulate the building. When renovating exterior walls you need to observe the normal practices for wall assemblies or...

Posted by Sabrina Ross Sept. 21, 2020, 10:55 a.m. Wall assemblies - renovation 1 Responses

What is the best to insulate metal structures for all seasons?

...building science for your climate to design your wall, no matter the materials you choose to use. Assuming you are in a cold climate, you would still need som...

Posted by Morgan Aldridge Jan. 19, 2019, 1:53 a.m. Wall assemblies - new construction 1 Responses

Should you insulate an A-frame cottage with cathedral ceiling from the exterior or interior?

...building science basics video, watch that as it will help you understand the steps involved as well. Without knowing where you are I can’t speak to vapor barrie...

Posted by J Genereaux Oct. 26, 2020, 10:38 a.m. Roof assemblies - renovation 1 Responses

What is the best wall & insulation combination for Colorado?

...building science made easy that will help you further choose a good wall system. I hope those pages help, have a read and feel free to pop up a follow up questi...

Posted by Jacob Johannessen July 2, 2020, 11:13 a.m. Efficient home design 1 Responses

Can I add Larsen Trusses and cellulose to 1920s House in Minneapolis?

...building science made easy video , which explains the how vapor moves through walls, and how to properly manage it. Perhaps my wording should have been, to w...

Posted by Ken Traefald Feb. 17, 2020, 2:30 p.m. Wall assemblies - renovation 3 Responses

Can you use a vapour retarder paint on the ceiling instead of using a poly vapour barrier?

...Building science for cold climates made easy - video So we instead used a Vvapor retarder prime / vapor barrier paint on the Edelweiss House rather than a sta...

Posted by Anwas Qwelten June 8, 2019, 3:56 p.m. Air and vapour barriers 2 Responses

What is the best way to insulate a 2x8 wall?

...building. There is a surprising amount of building products and techniques that are allowed and even encouraged by a lot of building codes that actually make no...

Posted by Michael Sweglar July 8, 2020, 10:43 a.m. Wall assemblies - new construction 3 Responses

Should a Vapor Barrier be installed over Exterior Grade Plywood?

...Building science for LEED v4 wall design made easy - Video The problem with air conditioning and interior vapor barriers like you would need in the Kawartha’s...

Posted by Michael Klauck March 6, 2020, 1:24 p.m. Air and vapour barriers 1 Responses

What is the best way to do a cottage reno adding an insulation blanket?

...building science video that explains it best – Building science made easy – video So my two cents would be – yes on the WRB weather barrier membrane on shea...

Posted by Barton Rowe Feb. 28, 2021, 1:27 p.m. Wall assemblies - renovation 2 Responses

How do you re-do the insulation on a old cabin from the outside?

...Building science made easy video– How to design walls that work properly Since you are going about this backwards, meaning building from the outside, I assume...

Posted by Raphael Couture Sept. 14, 2020, 8 a.m. Wall assemblies - renovation 3 Responses

How do I create a complete air barrier using a vapour retarding primer?

...building science video about it where we used it at the Edelweiss House, we had an entirely separate air barrier in that wall assembly, a peel and stick membran...

Posted by Mihai Wilson May 3, 2018, 10:15 p.m. Wall assemblies - renovation 1 Responses

What is the payout for converting from gas heat to electric heat?

...building science forensics has me curious. I figure you either have - a super-efficient house where a few 100W incandescent light bulbs makes a difference, or...

Posted by Fred Beaulac Jan. 24, 2020, 10:38 a.m. Heating with electricity 1 Responses