Wall / Discussions

What is the best wall design for cold climates?

...wall design for a demo house we built in 2015 – LEED Platinum Wall Design Building Science Video This is not the only way or even the best way to build a wa...

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

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

...wall to the 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 a...

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

How do you insulate an exterior wall from the outside?

...wall. We want to insulate this wall (currently, there's literally no insulation in it). I spoke to a spray foam contactor, but they were quite expensive. I"m wo...

Posted by Stuart Seldon Feb. 11, 2021, 12:21 p.m. Wall assemblies - renovation 1 Responses

Where can I purchase non-toxic interior wall panels near Laval, Quebec?

...wall with low-dust drywall compound and zero VOC paint , and if you want a pre-finished formaldehyde-free wall panel you could try Columbia here . What was the ...

Posted by Louise Goulet Nov. 30, 2019, 1:14 p.m. Basements improvements 1 Responses

What is the perfect wall assembly?

I plan to build in the spring of 2021 and the intention is to super insulate my solar passive house. Your video on ''build the perfect wall - top tips'' is ver...

Posted by Paul Drouin Sept. 17, 2020, 6:29 a.m. Wall assemblies - new construction 1 Responses

Why is there condensation above ground on an interior basement wall?

...wall before framing and then installing fiberglass insulation. When he began drywalling he noticed moisture behind the fiberglass on the secrion of the wall tha...

Posted by Barb Daluisio Jan. 12, 2021, 1:26 p.m. Basements improvements 1 Responses

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...wall (to be relocated in a new stud wall later) to make room for the new insulation process. From the block wall inwards I am considering the following sequen...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 2 Responses

Can you mount heavy objects to a Passive House Larsen truss wall?

...wall it won’t be as solid and able to hold weight the same as the load bearing portion of the wall. Other questions – how big is the awning you are thinking o...

Posted by Jay Stevenson July 3, 2020, 2:42 p.m. Wall assemblies - renovation 1 Responses

How would I detail the connection between the wall and floating slab?

...wall. Due to the wall being so close to grade, I worry about water pooling inside the sill of the wall. What is the proper way to design a slab on grade to prev...

Posted by Brendon Fraser July 17, 2020, 1:24 p.m. Slab on Grade 2 Responses

How do you replace windows in a double stud wall house?

...walls is the supporting wall, but you should see that by the location of the existing header. Sometimes a double wall system will have a 2x6 supporting wall wit...

Posted by Sasha June 25, 2018, 10:25 p.m. Windows and doors 3 Responses

How do you do a vapor barrier in a dense pack cellulose wall?

...walls you show an exterior wall with 10" plate & sill and two rows of 2x4 studs. This looks fantastic, but the idea of vapour-permeable membranes on both sides ...

Posted by Ian MacKay July 26, 2018, 2:48 p.m. Wall assemblies - renovation 4 Responses

Should I put foam boards right against my basement wall or leave an air gap?

...wall and your insulation, in fact it can cause big problems. You’re best to put it right against the wall. See more here on this page – Why are Basements Mold...

Posted by Elijah Hargett Jan. 9, 2021, 5:31 p.m. Foundation and basement improvements 4 Responses

Is there thermal bridging in the Edelweiss REMOTE wall?

...wall assembly, the thermal bridging is drastically reduced. There are other attachment systems, such as the fiberglass Cascadia Clips that also reduce the therm...

Posted by David Pantalone Feb. 9, 2020, 4:42 p.m. Wall assemblies - new construction 1 Responses

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

...wall to do. We don’t have phone support but you can learn about how a wall works in this video – Building science made easy for high performance energy effici...

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

What is the best wall & insulation combination for Colorado?

...wall would be a proper air barrier and avoiding thermal bridging in the wall assembly. Those links will give you a good starting point, and to really get your h...

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

What is the best exterior Wall and Roof Rigid Insulation for a barn renovation?

...wall with a uniform thickness might not be quicker, stronger and cost effective overall - see this article about how to insulate external walls of an existing h...

Posted by Ron Busch June 27, 2020, 3:50 p.m. Wall assemblies - renovation 1 Responses

Should I vent the space between a block wall and vapor barrier?

...walls were just about touching the block walls and had no barrior between them. I now am going to put 4 new walls up (same as before 3 exterior, 1 dividing). I ...

Posted by Nick Santore Oct. 10, 2020, 2:03 a.m. Basements improvements 1 Responses

What is the best wall for a house by the sea in New Brunswick?

The house will be subject to strong winds and rain, and a high level of humidity (often 100%). We have now installed a air heating floor (Legallet), the roof i...

Posted by Nathalie Lacaille Jan. 6, 2021, 9:36 a.m. Wall assemblies - new construction 0 Responses