Slab foundation / Discussions

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

...slab on grade and a basement However, is your lot sloped in a way that creating a flat surface for a slab is a problem? If so, the Legalett prefab slab on gra...

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

Are slab on grade foundations cheaper than a basement?

...slab on grade over a basement almost every time, and in most cases yes, a slab is cheaper in our experience. But that is partly due to the way we build, where w...

Posted by Jason Nov. 21, 2019, 4:12 p.m. New foundations and slab-on-grade 1 Responses

What is the best way to stop thermal bridging between my ICF walls and my footing?

...slab first, then build ICF walls on top . See the Geo-Slab frost protected slab on grade by Legalett for more information. Legalett slab on grade form kits pr...

Posted by Walter van den Broek Sept. 18, 2020, 11:23 a.m. Foundation choices 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

For doing an off grid home what is the cost of the slab?

...slab form kit from Legalett ?

Posted by Jayperion July 31, 2020, 10:15 p.m. Planning and Design 1 Responses

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

...Slabs also tend to be closer to the ground that a standard foundation, so I would inspect the bottom of the siding to see if there is moisture damage. I would...

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

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

...slab / slab on grade shallow foundation and and ICF block wall . But I think building the slab on grade would be more simple than you think, you can read more h...

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

How would I detail the connection between the wall and floating slab?

...slab. A slab is close to grade but really shouldn't be AT grade, so I'm not too sure what your concern is but I'll take a shot. A few things come to mind, 1 -...

Posted by Brendon Fraser July 17, 2020, 1:24 p.m. Slab on Grade 2 Responses

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

...slab right on it. At least I would price it out. In which case you could check out slab on grade form kits . At least price out both options, The slab is defi...

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

Can these homes be built on screwpiles as an alternative to slab foundations?

...foundations, screw piles or slab on grade, so it really depends on the model. Currently we don’t have enough supply to meet demand, so wee are looking to expand...

Posted by Mark Pospisil July 28, 2020, 9:41 a.m. Architecture and plan design 1 Responses

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

...slab. You could also pour a raft slab frost protected shallow foundation as seen in this video , all you would need to do for that would be strip the 6 inches o...

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

What thickness of insulation and concrete do you recommend in a floating slab?

...slab and radiant floor system? Thank you. If you install only 2 inches of insulation under a slab with radiant heat in a cold climate, you will be dumping tons ...

Posted by Marc-Andre Roy April 21, 2021, 7:38 a.m. Slab on Grade 3 Responses

Why are Legalett air heated floors better than electric mats?

...foundation system better than radiant heat mats which are electric and nothing is wasted heating the air

Posted by tony wolff Dec. 17, 2020, 9:28 p.m. Delivery: radiant, forced-air and decentralized 0 Responses

Can you jack up a cottage and build a slab on grade underneath it?

...slab underneath and drop it down on top, the concrete of that slab becomes the thermal battery. For something to act as thermal mass and store heat, it needs to...

Posted by William Rae June 6, 2021, 12:23 p.m. Slab on Grade 3 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 2 Responses

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

...slab on grade, no matter how well-insulated it is it will be cool on your feet, so I personally consider it part and parcel of a slab foundation simply for qual...

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

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

...slab, the soil conditions, and whether or not the slab will be heated. The best way to ensure that a FPSF (Frost-protected shallow foundation or slab-on-grade) ...

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