Slab floor insulation / Discussions

We are looking to build a slab on grade, do we need radiant heat?

...slab would the floor be warm? Installing radiant heat in a concrete slab on grade floor will for sure make your home more comfortable . You do have a few option...

Posted by Scott Self Sept. 21, 2020, 10:34 p.m. Delivery: radiant, forced-air and decentralized 2 Responses

Does slab on grade need to have in floor heating?

...floor heating? We will just be putting a Woodstove in and don't want in floor heating but I'm concerned with moisture from the slab and having flooring over the...

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

What type of wood can be installed on a radiant floor?

...insulation below the basement slab floor. The greater the temperature differential between the floor and the ground below, the greater the rate of heat loss wil...

Posted by Colleen Blak Dec. 11, 2017, 1:59 p.m. Flooring and stairs 1 Responses

How much insulation should I install underneath my concrete slab in my basement?

...insulation below a concrete slab floor would pay for itself likely in a few years. Insulating a slab floor means will result in greater durability, it will pr...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

Can you elevate a slab on grade foundation?

...slab under construction with 14 inches of seamless insulation on the exterior and 12 inches below the slab. Note where the doorway is in the front of the image ...

Posted by Raoul Lions July 27, 2019, 2:47 p.m. Slab on Grade 4 Responses

Should I build a basement or slab on grade?

...slab. Our plan is to polish and seal the slab to finish it as our primary flooring for the first floor for additional cost savings. A couple of questions for yl...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 9 Responses

Can you install a slab on grade foundation in the Fall and leave it over winter?

...slab being affected by frost heaves. We are also planning to polish and finish the concrete flooring as our finished floor so keeping it in good condition o fin...

Posted by Matthew Gioia Sept. 21, 2020, 9:15 p.m. Slab on Grade 1 Responses

What is the best wall & insulation combination for Colorado?

...slab air heated floor last year. I would first point you to this page about insulation – What is the best insulation for a home? In there you will learn the...

Posted by Jacob Johannessen July 2, 2020, 11:13 a.m. Efficient home design 1 Responses

What Should You Look For When Buying a Slab on Grade Home?

...Slab on Grade or Foundation and Basement; Which is Best? Reading that page will give you a better idea of what to look for in a slab. And the first question i...

Posted by Mike Molloy Nov. 6, 2019, 7:29 p.m. Slab on Grade 1 Responses

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

...Insulation Does a Basement Floor Need? And here is a page about slab on grade premade form kits , this is by a company called Legalett that provides slab on g...

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

Can you add a screen/sun room and deck to a slab on grade?

...slab but a company that supplies prefab slab on grade kits (Legalett) can easily provide that, see more here – Slab-on-Grade Raft Foundation Insulation Detail...

Posted by Pierre Contant July 1, 2020, 10:55 a.m. Slab on Grade 2 Responses

What insulation should you use to cover the ground GEODESIC Dome?

...floor you would find foam insulation, though in 2015 we did build a demonstration house on a slab on grade using mineral insulation below the floor, would that ...

Posted by Vincent Warwick Oct. 1, 2020, 2:09 p.m. Insulation and soundproofing 1 Responses

How should I insulate under a concrete hydronic slab on stilts?

...floors. Does anyone have any experience with DIYing hydronic concrete slabs on stilts. How I would go about insulating underneath to avoid heat loss as the fl...

Posted by Cam Smith Feb. 6, 2021, 12:21 p.m. Foundation choices 1 Responses

What is the best type of radiant floor heating for a garage?

...insulation below the slab. Don’t go with the base requirements of Building Code, we would recommend at least 6 inches below a heated slab in most parts of Canad...

Posted by J.F. March 24, 2017, 11:14 a.m. Delivery: radiant, forced-air and decentralized 1 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does go?

...slab on grade foundation for our new cabin in Montana and I've decided to sit it on a 4" EPS foam insulation so the slab will retain some passive solar heat fro...

Posted by Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

How do insulate a basement slab that is sloped ?

...floor. Is there a better way to do this ? Thanks for your help ! The best way to insulate a basement floor that is not currently level would of course be to...

Posted by Louis-François Lapointe Nov. 11, 2020, 10:34 a.m. Basements improvements 1 Responses

How do you prevent mold under flooring of a house on concrete slab?

...slab. I would like to ensure that moisture coming through the slab will not be trapped beneath the flooring. Is your slab built already? It should be protected ...

Posted by Linds Cullen Dec. 31, 2020, 4:11 p.m. Slab on Grade 3 Responses

Can a solar thermal air system be coupled to an HRV for heating incoming fresh air?

...floor for future infloor heating (no system on the tubes yet). Existing heat is electric baseboard and a wood stove centrally located in basement. Electric hot ...

Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses