Exterior Walls / Discussions

What is the best way to insulate exterior walls of a mid-70's Pioneer Log home?

...walls or should I do it all at the same time? So far it seems the best route for insulation is an air barrier applied to the exterior then insulation then an ex...

Posted by Keith McDevitt Nov. 15, 2020, 12:01 p.m. Wall assemblies - renovation 0 Responses

What is the best way to insulate the exterior walls of an older home?

...exterior rigid insulation (see here) is very important. It is best to install a vapour open exterior insulation so you don’t trap moisture inside the walls, whi...

Posted by Geoff Kavanagh June 30, 2020, 4:01 p.m. Wall assemblies - renovation 1 Responses

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

...walls right to the studs in an old cabin in cold/very cold climate. It will be heated once a week in winter. There is no vapor barrier right now in the walls. I...

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

What is the best way to insulate a Multi-material wall?

...walls are above ground? Hey Steve, thanks for the clarification. The good thing about exterior insulation is that it keeps the walls warm but can risk trapping ...

Posted by Steve J Sept. 29, 2020, 10:15 a.m. Wall assemblies - renovation 7 Responses

Is cross laminated lumber to heavy to frame a cantilevered room?

...exterior walls. Termites and woodrot have eaten the exterior walls posts and beams. And as it is 15 ft in the air with sun exposure I hope never to paint the ex...

Posted by Teresa Pfiffner May 20, 2020, 7:43 p.m. Wood and organic materials 1 Responses

Should a Vapor Barrier be installed over Exterior Grade Plywood?

...exterior grade Plywood. The walls are insulated with traditional Fiberglass Pink. I will be putting solid 3/4" wood siding over top of the exterior walls. I pla...

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

What type of insulation should I put on the exterior of my new home?

...exterior as well. The most common rigid insulation used on the exterior of buildings is EPS foam, there are options but EPS would be the easiest go-to, and more...

Posted by Alex Kesheshian April 23, 2020, 12:22 a.m. Wall assemblies - new construction 1 Responses

How do you finish the exterior of slab on grade?

...exterior of the footing insulation once the forms are removed, specifically the top of the roxul that would be exposed after building the exterior walls. Just t...

Posted by Dave Derouin Oct. 18, 2018, 1:45 p.m. Slab on Grade 1 Responses

Can you add exterior rigid foam insulation (e.g. EPS) with replacing windows?

...walls and if we can do so without replacing/resetting windows. The current walls are 2x4 with fiberglass insulation and plywood exterior. Is there a method to d...

Posted by Peter Milliken Nov. 9, 2020, 9:13 a.m. Wall assemblies - renovation 0 Responses

What is your recommendation for an air source heat pump?

...walls with spray foamed 9' walls, vaulted southern kitchen and living room with passive solar window design and 6' overhang on south& west walls. 1 1/2" R 7.5 s...

Posted by Martin Dandeneau July 9, 2020, 2:30 p.m. Heating and cooling 3 Responses

How should I insulate basement Walls in climate zone 5?

...walls are already dry and mold free? the exterior of the basement walls has 2” of foam on them so any warmer air from finished basement would permiate through m...

Posted by Chad Johnson March 25, 2019, 8:33 p.m. Basements improvements 1 Responses

What is your advice on exterior wall insulation for a tiny home?

...exterior walls are as follows, from inside out: Ship lap wood, plastic vapor barrier, I see no mention of insulation for you Tiny House, but there is ...

Posted by Mitch Fowler Aug. 27, 2020, 7:04 p.m. Tiny house 1 Responses

Why is there mold on particle board outside vapor barrier on new addition?

...exterior particple board. The are no leaks in the roof, or water running down the exterior walls. We wonder whether the mould is caused by condensation between ...

Posted by Christine ML June 7, 2020, 1:35 p.m. Wall assemblies - renovation 1 Responses

What is a thermal break solution at a door threshold?

...exterior above grade walls will also be ICF with the addition of 3.5" of EPS panels on the exterior. We will have a concrete slab floor. What is the best meth...

Posted by Shaun B Sept. 13, 2020, 6:31 a.m. Slab on Grade 2 Responses

Does using T & G wood plank instead of drywall affect where we put the vapor & air barrier?

...walls instead of drywall (new build with plywood exterior sheathing and Tyvek - which will eventually have cedar shingles). What's the best thing to use for air...

Posted by Sue Colbourne Nov. 9, 2019, 6:16 p.m. Walls and ceilings - interior surfaces 3 Responses

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

...walls had been insulated but not on a portion of the basement walls that were not finished on the interior. I have dug down about a foot on the exterior walls a...

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

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

...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 use Drylok so far on all the exterior wal...

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

What is the best way to insulate a home from the outside?

...walls so I am fairly aware of the issues but still not confident in what is the best approach for exterior insulation on the walls during renovation, any advice...

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses