Insulation levels / Discussions

Do I need to insulate under the footings of a frost protected shallow foundation?

...insulation (where and when it is needed). This is exactly how we would build a slab, so we rely on insulation to protect the building from frost damage rather t...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

What is the best way to insulate embedded joists in a basement Montreal Home?

...insulation with studs on 16oc all the way until Joist levels. ( Not insulated) can touch concrete. And no Vapor barrier. The basement is also dry and not humid....

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

How much insulation do you need for a Basement floor in an ICF home?

...insulation in the basement on the concrete floor? You will for sure need insulation below your basement floor . The minimal levels of insulation required to mee...

Posted by Gary Abbott Nov. 23, 2020, 1:36 p.m. Basements 1 Responses

What is the best insulation Under 2" Cement flat Roof in NYC?

...insulation, but there you go. You can read more about it here - The difference between Polyiso, EPS & XPS Foam Insulation & Styrofoam It's still a great ins...

Posted by Rafael Mor March 29, 2019, 5:19 a.m. Roof assemblies - new construction 1 Responses

Can you use an HRV or ERV for radon removal in a dirt floor basement?

...levels. How high are your levels by the way, and where do you live? If you lay a membrane down along with a passive radon stack (as you will learn about in th...

Posted by Douglas Touart March 1, 2021, 5:15 p.m. Radon in Homes - Mitigation 1 Responses

Why does interior insulation cause a freeze/thaw cycle- cinder block foundation?

...levels of insulation in very cold climates. Find the balance – save some energy with insulation, but also save your wall from damage. And unfortunately finding ...

Posted by P Mci July 5, 2021, 11:17 p.m. Foundation and basement improvements 1 Responses

How do you insulate a cathedral ceiling?

...insulation. My walls are double 2x4 stud walls 12 inches deep and will have 2-3 inches of closed cell spray foam insulation to create a air and vapour barrier f...

Posted by Raoul Lions Oct. 19, 2019, 8:07 a.m. Roof assemblies - new construction 1 Responses

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

We have a concrete basement in decent condition that's about 20 years old in Boulder CO and having had mitigation installed for high radon levels we now want t...

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

How do you fix high humidity levels in a basement?

...insulation in the basement has been removed and replaced with spray foam insulation; the foundation around my house on the outside surface has been waterproofed...

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

How much window area can i have in passive house?

...insulation levels since there are more emissions from manufacturing that amount of insulation than it will ever save in the lifespan of a home. So... limit your...

Posted by tony wolff March 4, 2021, 9:25 p.m. Windows and doors 3 Responses

What should I look for if I want to buy a slab on grade house?

...insulation levels, and if it has been damaged in anyway. Slabs also tend to be closer to the ground that a standard foundation, so I would inspect the bottom ...

Posted by terry northcott March 25, 2019, 11:02 a.m. Slab on Grade 1 Responses

Can foam boards cause a chemical reaction?

...insulation - read more here: The difference between Polyiso, EPS & XPS Foam Insulation & Styrofoam Check out the following as well, it can help you find saf...

Posted by Joel Clipsham Sept. 30, 2021, 7:17 a.m. Healthy indoor air quality 1 Responses

What's the best way to seal a crawl space and insulate?

...insulation in the floor joists isn’t really necessary, but you don’t really need to remove the insulation in the joists as long as it isn’t moldy. Left in place...

Posted by Steven Johnston Feb. 23, 2021, 12:35 p.m. Crawl spaces 1 Responses

What is the best way to frame window openings when adding exterior insulation?

...insulation on the exterior of a 2x6 wall, so we installed a plywood extension to allow the window to sit solidly, partly over the exterior board insulation. Our...

Posted by Anwas Qwelten May 30, 2019, 8:16 p.m. Windows and doors 1 Responses

How do you make an airtight house envelope?

...insulation in time before slab was poured, but need to plan better for above the ground. My contractor is planning foam insulation based on HERS measurements fo...

Posted by Valeriy Kraydman Dec. 1, 2020, 2:52 p.m. Air and vapour barriers 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

Can my husband and I build an Earthship home in Michigan & how hands-on can we be?

...insulation. A really good HRV or ERV can recover as much as 90% of the heat in exhaust air , the ‘earth tube’ ventilation in an Earthship recovers 0%. The other...

Posted by Kirsten Rogers Hearnes Jan. 17, 2021, 11:06 a.m. Architecture and plan design 1 Responses