Insulated slab floor / Discussions

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

...insulated beneath the slab would the floor be warm? Installing radiant heat in a concrete slab on grade floor will for sure make your home more comfortable . Yo...

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

Why do you say building on a slab is more ecological than starting with a basement?

...insulated slab floor was much more ecological and more affordable than a basement. How does he arrive at this conclusion? Basement or not, you need a mechanical...

Posted by Geri P Dec. 11, 2017, 11:45 a.m. Foundations and Basements 1 Responses

Is hydronic slab heat appropriate in a super insulated home?

...floors. How did you execute in floor heat on the Kenogami house and keep it from overheating? PS- I don't expect toasty warm floors, just not chilly floors. T...

Posted by Andrew Wright Feb. 3, 2021, 3:26 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is the right amount of insulation for a house?

...slab foundation with radiant in floor heat. I saw a post with a chart showing code built, better insulated and super insulated. The chart showed monthly payment...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

What is the best way to renovate a basement after a flood?

...floor for its resistance to future flooding. We had a company pour a new 2-3 inch slab on top of the existing slab over that half of the basement. The 2x4 stud ...

Posted by Wren Toombs June 18, 2018, 10:52 a.m. Foundation and basement improvements 2 Responses

What is the best way to insulate the ceiling of my crawl space?

...floor in my crawl space under an addition (the rest of the house is on concrete slab). There is no ductwork, there is a sump pump, and the wall joists above the...

Posted by Judy Mendel Feb. 17, 2020, 11:10 p.m. Crawl spaces 4 Responses

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

...insulated) can touch concrete. And no Vapor barrier. The basement is also dry and not humid. The joists are fully embedded inside the concrete slab. Hence, th...

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

What is the optimal setup for mechanical systems for slab on grade?

...insulated slab on grade home. I definitely want a hydronic in floor heat system, along with a heat pump. With the absence of central ductwork, where do I put th...

Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses

Does insulating a slab on grade make the building less stable?

...slab on grade for the obvious savings of not pouring the 4' frost wall and wante to do infloor heating. Since the slab need to be insulated all around, a builde...

Posted by Nicolas Jalbert May 28, 2018, 4:56 p.m. Slab on Grade 1 Responses

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

I'm looking to buy a house build on a slab-on-grade . What should I be looking for in terms of insulation? Thanks, Terry Where is the house, and do you know ho...

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

How do you choose between a basement or slab on grade?

...slab on grade with the Legalett solar air floor as your basement floor? Any advice would be greatly appreciated, thanks so much! We prefer a slab on grade o...

Posted by A. Delmas May 21, 2020, 8:59 p.m. Foundation choices 1 Responses

What is a thermal break solution at a door threshold?

...insulated door sill for slab on grade floors is only available with Legalett-designed slabs unfortunately . It is a proprietary design that was created as a sol...

Posted by Shaun B Sept. 13, 2020, 6:31 a.m. Slab on Grade 2 Responses

Can you install electric wire in floor heat cables and cork flooring?

...floor at and the type of flooring . A well-insulated house won’t need to run a floor as hot as a poorly-insulated house, this can affect how the flooring reacts...

Posted by C Whitby Aug. 7, 2020, 6:43 p.m. Flooring and stairs 2 Responses

What is the best heating and cooling system for a slab on grade home?

...floor heating AND forced air, especially when one of the reasons we are choosing a slab on grade is to save some money. Thoughts? A slab on grade home is in o...

Posted by Matthew Gioia July 7, 2020, 11:03 p.m. Heating and cooling 3 Responses

How do you install radiant floor heating in an old building?

...slab on grade floor under and existing building would be to jack it up, (get this done professionally as it is not a safe DIY project) then build a slab and dro...

Posted by Rob Doda March 19, 2020, 3:21 p.m. Delivery: radiant, forced-air and decentralized 2 Responses

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

...slab floor. The greater the temperature differential between the floor and the ground below, the greater the rate of heat loss will be. Therefore, heating a flo...

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

How do you finish the exterior of slab on grade?

...slab on grade foundation insulated with Rockwool What we did worked, though in hindsight given the compressibility of the Roxul (certainly at 8 inches thick) ...

Posted by Dave Derouin Oct. 18, 2018, 1:45 p.m. Slab on Grade 1 Responses