Basement insulation / Discussions

What is the best way to reduce humidity in a basement?

...basement if you do decide to do some more work on it. Why are Basements Moldy? How to Fix & Prevent Mold in Homes Preventing mold when you insulate ...

Posted by Robert J. Pierson Oct. 17, 2019, 10:45 p.m. Basements improvements 2 Responses

How do you apply vapor barrier and insulation to a CMU house?

...basements , that’s one of our building guide pages that will help you pick a method. Read those over and get back to us, we can for sure set you up. Sound good?...

Posted by Scott Brekke Nov. 22, 2019, 9:37 a.m. Basements improvements 1 Responses

How do you insulate a cottage crawlspace? It's in the Haliburton Highlands

...insulation to reduce humidity, c) remove the styrofoam boundary from underneath, and d) spray insulation on entire perimeter of plywood skirting? Would moistu...

Posted by Beata Domanska May 25, 2020, 11:38 a.m. Crawl spaces 1 Responses

Could we use a raft slab with ICF walls on a sloped site?

...basement on problem soils A raft slab is engineered to spread the weight of the building evenly over the entire surface of the slab, so there is no footings n...

Posted by Paul Fischer Sept. 15, 2020, 2:21 p.m. Slab on Grade 1 Responses

Can you help me choose between a slab on grade and pressure treated wood foundation?

...basement, PWF or concrete, so I'm not sure where you're being advised to mix a PWF and a slab on grade, or how to even do that. A slab on grade floor consists o...

Posted by Margot Simonot May 20, 2019, midnight Slab on Grade 1 Responses

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

...insulation and radiant tubing. Sounds like you already have sufficient height in the basement, but I doubt there is any insulation if it was a 70s-80s pour so I...

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

Can I add Larsen Trusses and cellulose to 1920s House in Minneapolis?

...insulation panels on the exterior insulation of the slab. Metal is a conductor, so keep that in mind. Not sure what you mean by ‘leave a gap’, any gaps in insul...

Posted by Ken Traefald Feb. 17, 2020, 2:30 p.m. Wall assemblies - renovation 3 Responses

Does slab on grade need to have in floor heating?

...basement concrete floor, will feel cooler to the touch than wood or other flooring materials, due to the conductivity of concrete . This is a simple fact of phy...

Posted by Lauren Panzani Nov. 13, 2020, 11:06 a.m. New foundations and slab-on-grade 1 Responses

What's the difference between a slab on grade and a monolithic foundation?

...basement. And a slab on grade can be built in a variety of ways ( monolithic or not), you can learn the basics on this page – Slab on Grade or Foundation and ...

Posted by Ronaldo Johnitas Dec. 10, 2019, 6:12 a.m. Slab on Grade 4 Responses

What is the best way to build a slab on grade on bedrock?

I watched your videos with much interest but wasn't sure about the "trench" type perimeter "grade beam" in terms of supporting the house structure, and the fac...

Posted by peter owen Oct. 31, 2019, 3:33 p.m. Slab on Grade 1 Responses

Can you insulate an existing slab on grade floor?

...insulation in the middle, and 5 inches of insulation on the right. You can see that with no insulation you will be heating the ground for many feet below your h...

Posted by Patrick Berkeley Dec. 31, 2020, 10:14 p.m. Foundation and basement improvements 5 Responses

Should I test my home for radon gas?

...insulation to the point of needing an air exchanger. I thought it best to test for radon gas after I've tightened up the major air leakage in my home. What do y...

Posted by Mary Anne S March 5, 2019, 7:46 p.m. Radon in Homes - Mitigation 4 Responses

How do you fix radon and water infiltration in a dry stone foundation?

...insulation on walls necessary? 3) would you pursue a radon system drawing under the vapor barrier or an HRV w radostat? I don't want to unnecessarily over-engin...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

Do I need to spray foam the ceiling of my crawl space to help winterize it?

...Insulation Tips for Insulating Crawlspaces Properly One option would be to insulate the walls and concrete slab floor with spray foam, that would act as a vap...

Posted by Sheilagh Thompson Jan. 21, 2021, 1:48 p.m. Crawl spaces 1 Responses

Can you provide Crawlspace Insulation Design Assistance?

...basement adjacent to the crawlspace contains our oil-fired heating system; there is a small opening allowing access to the crawlspace from the "full" basement (...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 Responses

Would you recommend Legalett over water radiant floor heat for a backyard studio in Toronto?

...insulation beneath it? The most cost-effective system to deliver in-floor radiant hea t would in your case depend on how big it is, and more importantly, if the...

Posted by Christine Pountney May 2, 2019, 1:22 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What are the most cost-effective green building strategies in new home construction?

...insulation - yes, see our page here about balancing insulation through a home for the best efficiency. Spoiler alert – heat loss goes in all directions, not jus...

Posted by M T Nov. 4, 2019, 11:07 a.m. Concept and design 3 Responses