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

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

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

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

What is causing my foundation wall to sweat?

...wall. It has lasted all summer and now into the fall. I don't know how to solve this issue. Its only happening in a 10-12 ft section. Our house is on a hill dow...

Posted by Jason Duncan Oct. 1, 2021, 8:27 a.m. Basements improvements 1 Responses

Cost to install alternative wall panels to drywall?

...wall. Apparently drywall/painting costs with materials/labour would likely not be much more than $3-5/sq ft. Thanks! Drywall is not the only way to finish wal...

Posted by Adrian Baerlocher Nov. 12, 2021, 3:58 p.m. Walls and Roofs 4 Responses

How do I seal the air barrier at the top of the exterior wall?

...wall. I wonder how to prevent the air from entering between the top plate of the wall and the OSB r4? The roof trusses are already laid on the top of the wall, ...

Posted by Nicolas Jolicoeur Jan. 3, 2022, 11:05 a.m. Air and vapour barriers 5 Responses

Can you put foil covered foam panels inside a framed wall?

...wall would be a practical application? I'm open to using any type of insulation in the wall cavity. The foil based rigid foam panels may be EPS, but they also m...

Posted by William Mc Feb. 22, 2021, 12:38 p.m. Insulation and soundproofing 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

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 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

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

What is the most cost effective way to build a rain screen wall assembly?

...wall 2x6 stud wall 24" o.c. w/1.5" closed cell and 4" open cell insulation (for sealing and cost reasons) 7/16" sheathing, tyvek house wrap, metal siding. Would...

Posted by Jess Glowacki June 22, 2021, 7:55 p.m. Wall assemblies - new construction 0 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

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

What’s the best insulation system for a brick/masonry basement foundation wall?

...walls as it handles moisture better that fiberglass, but also don’t put a vapor barrier on right behind the drywall. If there is moisture in the wall it is way ...

Posted by Ryan Essex Nov. 29, 2021, 8:17 a.m. Basements improvements 2 Responses

A different wall and ceiling vapour barrier treatment in the Eco-home: How come?

...wall construction vapour treatment was different from using poly in the roof...having convincingly demonstrated why the wall vapour barrier system and wall cons...

Posted by James Turk Nov. 22, 2021, 11:37 a.m. Air and vapour barriers 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