Insulate a basement / Discussions

What is the best way to insulate a 1780 brick federal with stone foundation in New York?

...ation walls. There is a full basement and the ceiling height is about 7 feet with above ground windows. I want to insulate from air and from water leaks. Any ad...

Posted by carole roseman Jan. 5, 2020, 2:39 p.m. Foundation and basement improvements 1 Responses

My basement is smelly and humid, what can I do about that?

...anada in a 1959 bungalow and the basement is always humid and the dehumidifier runs constantly. It also costs a fortune to heat. I was advised to insulate the t...

Posted by Jeff O. Feb. 8, 2017, 10:22 a.m. Foundation and basement improvements 3 Responses

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

...ade is a very different beast that building above grade, and the most common mistake builders make is building basements walls the same way they build above gra...

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

What's the difference between EPS and GPS insulation?

...a 4' x 8' x 1" thick board, called GPS. Do you have a webpage about GPS insulation? I want to insulate my existing basement concrete floor, on top of it. I have...

Posted by Ronald Tetrault Feb. 3, 2021, 5:22 p.m. 0 Responses

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

...a SIP wall, the foam boards will act as a vapor barrier and the thermal barrier. For an air seal, you may want to actually do that first, which could be a simpl...

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

Is it not structurally dangerous to smash a concrete floor for a drain?

...ake sure that the ground around your foundation is graded away from the home with at least a 2% grade, that will also reduce accumulation of water. I'm actually...

Posted by t b March 2, 2021, 3:18 p.m. Waterproofing and drainage 2 Responses

How should I install XPS insulation in a basement?

...ay to address it. I have a below-grade “cinder block” basement wall that transitions to a course of narrower blocks above grade. An uninsulated rim joist sits o...

Posted by Ken Hunold Dec. 27, 2020, 7:22 p.m. Basements improvements 0 Responses

What is the best way to make a row house in Montreal Quebec more energy efficient?

...at and air is leaking in and out and see what reasonable measures I could take to insulate or prevent air leaks. We paid around $200 for an audit and discovered...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

Followup to the question How do you install Larsen Trusses on a home in Minneapolis?

...basement sheets or leave a small gap? When working with the sheets, what size do you normally use, 48x96 or smaller? Is it practical for one person, to handle a...

Posted by Ken Traefald Feb. 27, 2020, 1:49 p.m. Wall assemblies - renovation 1 Responses

What is the best way to install 5" of XPS rigid foam on interior basement walls?

...against a basement wall and then putting plastic over them is why almost all basements smell moldy. As for the actual install, I would forget fasteners and ju...

Posted by Sean MacDonald June 14, 2021, 10:42 a.m. Foundation and basement improvements 5 Responses

How do you improve an old block foundation with no insulation or exterior moisture barrier?

...Basement walls parged and painted with mold resistant paint; floor painted. Auto dehumidifier always on 24/7 year after year; fan oscillating at rear of basemen...

Posted by Wilhelmina Lange March 11, 2021, 4:19 p.m. 2 Responses

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

...ar plastic and a black plastic border nailed into the concrete but the bottom half of the walls are left uninsulated. I have a wood framed 2x4 wall an inch off ...

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

Does the basement construction information on this website apply to the climates in Canada?

...at improving a basement in Canadian climates? The Ecohome Building Guide applies to all climates, but we are based in Canada ourselves and our basement construc...

Posted by BIG FOOT Nov. 17, 2020, 9:34 p.m. Basements improvements 1 Responses

How do you fix a moisture problem in a finished basement?

...all, the vapour barrier and the fibreglass insulation in two large areas along the same back wall. The concrete appeared to be saturated with water. We inspecte...

Posted by Margo MACFARLANE Oct. 28, 2019, 10:24 a.m. Foundation and basement improvements 1 Responses

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

...alls, but can only excavate about 50% of foundation due to concrete stairs and platforms around the exterior. Not really sure what to do at this point. Read man...

Posted by Ken Gee July 31, 2019, 3:25 p.m. Basements improvements 4 Responses

What type of green flooring is best for a basement floor?

...a sewage backup valve, and take steps to manage storm water runoff from your roof. Here are more pages that may be of help: How to insulate a basement a...

Posted by Jeff Krohn Sept. 15, 2019, 5:52 p.m. Basements improvements 1 Responses

How do you fix high humidity levels in a basement?

...advice is greatly appreciated! JR Tadinac Attic insulation is a good idea, but uninsulated basements are a heat sink, so best is to make sure they are both do...

Posted by JR Tadinac Aug. 21, 2019, 11:26 a.m. Healthy indoor air quality 3 Responses

How do I waterproof a foundation from the inside?

...age has diagrams on how to build basements properly - How to insulate a basement and protect it against water damage and flooding Bulk water directed toward...

Posted by Kurt Brenner Nov. 14, 2017, 9:47 a.m. Foundations and Basements 1 Responses