Slab floor / Discussions

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

Can you insulate an existing slab on grade floor?

...floor issue. Is it possible to insulate beneath an existing slab on grade floor? If so, how, and is it cost effective? A perimeter skirt insulation will help ...

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

How do you polish a concrete slab to be a finished interior concrete floor?

...floor radiant heating. The slab is the bottom floor of our home, which will be garage and apartment. We are interested in finishing the apartment floor to be a ...

Posted by Betsy Lund May 20, 2020, 2:13 a.m. Flooring and stairs 1 Responses

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

What is a thermal break solution at a door threshold?

...slab on grade floors is only available with Legalett-designed slabs unfortunately . It is a proprietary design that was created as a solution for Passive House ...

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

Is there an update on your demo house solar air heater?

Have you collected enough data since completing the latest demo home with the pre fab house on a Legalett air heated slab foundation to do an analysis of its e...

Posted by dean c Oct. 24, 2020, 2 p.m. Concept and design 1 Responses

What is the best way to heat an off grid home?

...slab floor are performing. I'm keen to use PV solar to heat my radiant floors in an off-grid high thermal mass passive solar house I'm building on California'...

Posted by Michelle Nason Aug. 8, 2018, 1:48 p.m. Off-grid and Net-Zero Housing 3 Responses

Can you use spray foam Insulation under a slab?

...slab with foam polyurethane. If not, why? When building a slab on grade, EPS rigid foam insulation is the most common choice of insulation, for performance and ...

Posted by Linda Martin April 6, 2020, 11:54 a.m. Slab on Grade 1 Responses

Can you raise a garage floor?

...slab floor was constructed. IF it is a truly floating slab with no rebar anchors into the walls then you could look at getting a slab jacking company to come in...

Posted by Anwar Chowdhury Jan. 3, 2021, 2 p.m. Concept and design 2 Responses

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

...slabs. Legalett Solar Air Heated Slab on Grade installation video Slab on Grade Prefabricated Insulation Form Kit Air heated floor Thickened-edge slab...

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

Where do you install a weeping tile with a high water table?

...floor elevated. How should I install my perimeter weeping tile? I obviously cannot have it that far below my basement slab or I won’t be able to access the sump...

Posted by Alex Kesheshian June 11, 2020, 11:54 p.m. Foundations and Basements 1 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

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

...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 room, sto...

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

Do you have recommendations for radon sealing basement concrete & installing new flooring?

...floors there is an opportunity to futher seal the basement concrete floor against radon (and fill any cracks) prior to laying new flooring. The current slab I d...

Posted by M N Sept. 1, 2020, 2:20 p.m. Basements improvements 1 Responses