Wall / Discussions

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

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

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

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 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

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 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

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 kind of insulation do you recommend to put on my exterior sheet rock wall?

...Walls need to be able to dry, so anytime you are adding to a wall its best to make sure that you only use products that are vapor permeable. Here is our page on...

Posted by Uwe Thomas May 22, 2020, 10 p.m. Insulation and soundproofing 1 Responses

What is your experience and thoughts on pre-fab wall assemblies?

...wall construction methods like ICF, Double stud wall, and pre-built wall assemblies. What can you tell me about your experience with pre-built assemblies? Are t...

Posted by Shaun B Nov. 12, 2019, 4:16 p.m. Wall assemblies - new construction 2 Responses

Can you use polyiso insulation on the exterior of a wall behind cedar siding on the west coast?

...wall assembly.

Posted by Iain Matheson Jan. 28, 2020, 10:38 p.m. Wall assemblies - renovation 1 Responses

What insulation should I put on basement block walls that is resistant to mold?

...wall. Moisture issue in spring ( and I suspect fall). We get a lot of people asking about the best way to insulate a cinder block (CMU) foundation wall, I would...

Posted by Ken Gee July 31, 2019, 3:25 p.m. Basements improvements 3 Responses

Do I need a standard 6 mil poly vapor barrier with dense cellulose exterior wall?

...wall insulation. I've opened the wall cavity and plan to use a dense pack cellulose to achieve R-14. The exterior wall is plank sheathing with paper wrap, follo...

Posted by jeff Chormann May 1, 2020, 9:18 a.m. Air and vapour barriers 2 Responses

How would I rectifiy problem of foundation wall cracks with finished basement?

...wall) would this be the best solution? I am prepared to live with unfinished basement walls. If I chose to finish the walls, could I refinish with drywall only ...

Posted by Terry P July 22, 2020, 7:07 p.m. Basements improvements 3 Responses