Insulating walls / Discussions

How do you prevent mold in a finished basement?

...insulating a basement Then, send that link to prospective contractors and if they don’t get it, call another one. For your specific case though, we need more ...

Posted by Brian Cole Nov. 22, 2019, 10:22 a.m. Basements improvements 1 Responses

Is insulating an existing home from the outside a good solution?

...walls - our walls have insulation but it does not seem to be enough. Is insulating from the outside by building out something we should consider exploring with ...

Posted by Cate Prichard June 26, 2021, 3:27 p.m. Wall assemblies - renovation 1 Responses

Why is there condensation in between 1.5" polyiso board and roxul insulation?

Hi guys im from Canada and I recently finish studying and insulating my basement. I used one and a half inch polyiso board insulation glued to the wall with ad...

Posted by Tyler Norrie Feb. 9, 2021, 2:32 p.m. Basements improvements 0 Responses

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

...walls with no insulation behind them. I want to insulate the walls but not remove the plaster as it's still in excellent condition. My house goes right to the p...

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

How do you Insulate a 3 season cottage?

We want to insulate a 3 season cottage to keep it cooler in the summer and warmer in the spring and fall. We are putting a metal roof on and insulating on top ...

Posted by Terry Skindilias April 23, 2019, 9:27 a.m. Wall assemblies - renovation 4 Responses

Should I insulate my basement ceiling?

...insulating. The reason I suggest that, is that if your walls have not been well-insulated or insulated at all, they have stayed warm in previous winters. Were y...

Posted by Nina Hartt March 21, 2019, 8:23 a.m. Basements improvements 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 the best way to insulate embedded joists in a basement Montreal Home?

...walls and start from scratch. I've been getting mixed opinions online about properly insulating the "rim joist". Some say it will rot if insulated. And if ins...

Posted by Emil Idf Jan. 7, 2020, 8:34 p.m. Foundation and basement improvements 1 Responses

Spray Foam for basements, which of the different types are best environmentally?

...insulating and sealing CMU basement walls and floor in northern California. We want to do this basement conversion as sustainably as possible with good air qual...

Posted by Rose Adams Jan. 9, 2020, 9:33 a.m. Insulation and soundproofing 1 Responses

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

...insulating basements are exterior walls, and mostly involve vapor barriers trapping moisture in with susceptible materials like typical stud walls and fiberglas...

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

What is the best way to insulate rim joists with EPS and batts?

...walls in basements have read about three methods using EPS & batt with slightly different orders. Plan to insulate concrete walls with 2" of EPS, with 2x4 frami...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

What is the best way to put siding on an older home without causing it to rot?

...walls are constructed of 2x4 studs with no insulation and lumber sheathing on the inside and outside of the wall. The interior of the walls is lathe and plaster...

Posted by Richard Reinert April 18, 2021, 12:32 p.m. Wall assemblies - renovation 0 Responses

What is the best way to insulate the basement of an old house?

...insulating interior basement walls, using eps or Rockwool comfort board then 2 x 4 studs with rockwool bats. I've also seen the part about possible breaking flo...

Posted by Bryan Squirrell Jan. 14, 2020, 7:59 p.m. Basements improvements 1 Responses

Is EPS or XPS better for use in basement rim joists? Should faced or unfaced foam boards be used?

...insulating rim joists? Wouldn't that logic also translate to selecting a foam board insulation to cover the actual concrete walls of a basement like mine--at le...

Posted by Thomas Dispenza Sept. 8, 2019, 12:43 a.m. Basements improvements 6 Responses

Where does a vapour barrier go when building a shed in southern Ontario?

...insulating to a certain level as the shed is larger than 10 x 10. Since I found this web site, I have put a rapid halt on the building. I have always suspected ...

Posted by Charley Nelson Nov. 5, 2020, 10:09 a.m. Wall assemblies - new construction 1 Responses

How do you insulate a 70s home with 2x4 walls that has fiber glass insulation?

...walls . And here's another page all about how best to insulate exterior walls from the outside on older homes . Have a read over that to get some ideas and send...

Posted by Mark Aussenegg Nov. 26, 2018, 6:49 p.m. Wall assemblies - renovation 1 Responses

Is polyiso board or styrofoam best for insulating when finishing a basement in CO?

...walls the same way they build above grade walls, without realizing that they can’t dry to the outside. So putting organic materials like wood against a wet co...

Posted by Evan B. Nov. 21, 2019, 8 p.m. Basements improvements 1 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