Walls / Discussions

Can you run plumbing in exterior walls?

...walls or can they be brought to exterior basement walls that have been insulated using EPS + wood stud + mineral wool? The interior basement walls have been i...

Posted by Steve J Feb. 22, 2021, 10:28 p.m. Plumbing and water heaters 1 Responses

Why insulate the walls rather than the floor joists in a crawlspace?

...walls. Is there any benefit to this or should the walls be insulated instead? Crawlspaces are sometimes insulated between the floor joists to the floor above, o...

Posted by Ron Monk June 2, 2021, 9:31 p.m. Crawl spaces 2 Responses

Can basement walls to dry to the inside with foam board?

...walls. From all of my reading it says that your basement foundation walls can only dry to the inside. If I put foamboard on the concrete and seal it everywhere,...

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 6 Responses

Why do you shim up basement walls?

...walls completely, so nothing can get in or out, and the area can be kept clean. I can't keep it clean now because it's impossible. The masonry wall behind the e...

Posted by t b March 2, 2021, 3:17 p.m. Basements improvements 4 Responses

Why are half of my basement walls are not insulated and should I add insulation?

...walls have pink fibre glass insulation covered with clear plastic and a black plastic border nailed into the concrete but the bottom half of the walls are left ...

Posted by Jake Morel Dec. 28, 2020, 8:58 p.m. Basements improvements 0 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

Can you insulate a concrete block basement walls with only rockwool?

...walls are concrete block and we have 2 sides done with interior plastic membrane to french drain and sump pump, one side exterior waterproofing, and one side wi...

Posted by Aarne Valikangas Jan. 1, 2021, 9:22 p.m. Basements improvements 1 Responses

What is the best way to stop thermal bridging between my ICF walls and my footing?

Unisulated footing under ICF walls allows thermal bridging into the concrete core of the wall allowing energy stored in the thermal mass to bleed into the soil...

Posted by Walter van den Broek Sept. 18, 2020, 11:23 a.m. Foundation choices 1 Responses

Can you use Foam boards on basement walls to stop condensation?

I am finishing my basement and my basement exterior walls are fully framed about 2” away from the concrete. They have mineral wool in between the stud bays but...

Posted by Chad Johnson Dec. 21, 2019, 7:59 p.m. Basements improvements 3 Responses

How do you insulate concrete basement walls and avoid mould?

...walls, since the source of moisture that could damage the walls is not humidity in the interior air, it is moisture from the ground and concrete. The short stor...

Posted by William Hunter Feb. 22, 2021, 11:40 a.m. Basements improvements 2 Responses

What is the best way to finish basement walls?

...walls may be in reasonable shape. The wall assembly you mention – putting rigid foam insulation against foundation walls followed by a stud wall and Roxul / Roc...

Posted by Aram Scaram Jan. 21, 2021, 5:13 p.m. Basements improvements 3 Responses

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

Do natural swimming pools need retaining walls?

I am building a rectangular swimming pond 4ft deep. What conditions would make a retaing wall mandatory? I assume you saw our page on how to build natural pool...

Posted by Michael Applegate Sept. 21, 2020, 12:17 p.m. Natural swimming pools and ponds 1 Responses

How do you keep concrete house walls from getting too hot in hot climates?

...walls absorb too much heat, poor building design. I live in a condo and would like to put something on the walls inside to keep the heat mostly outside. There a...

Posted by Florence A. Hawkins May 14, 2021, 7:05 a.m. Passive solar home design 1 Responses

Can I put a breathable peel and stick weather (air) barrier on the inside walls and ceiling?

...walls and unvented flat roof ceiling. It's impossible to air seal all the joints and sistered joists with caulk or sealant because where the SPF meets the joint...

Posted by Anomika Singhn Oct. 1, 2018, 9:56 p.m. Air and vapour barriers 1 Responses

Can you install foam boards directly against basement walls?

...walls like that? I have a drainage system under the walls. How about painting the cinder block walls with Drylok then placing your rigid foam board insulation d...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 15 Responses

How thick should EPS foam insulation on basement walls be?

I'm researching about what type of rigid insulation to use when finishing my basement. I was on a website of an eps insulation manufacturer and under their tec...

Posted by Derrick R March 17, 2021, 9:13 p.m. Insulation and soundproofing 3 Responses

How do you insulate exterior walls if a tiny house?

I live in east Texas and have a tiny home shell with wood 4x8 sheet siding. I want to put viny siding on. For insulation foam sheets on exterior can I use form...

Posted by John Boy Feb. 23, 2021, 10:21 a.m. Insulation and soundproofing 0 Responses