Slab on grade / Discussions

...on a Legalett air heated slab foundation to do an analysis of its effectiveness? I'm wondering what the numbers are on using the solar air heated collector to provide supplemental heat for the in floor heating system Legalett is known for. My question is does the extra cost of adding the solar air collector and additio...

...ondering the cost for a 1200 square-foot home roughly Hi Walter, Do you mean the slab on grade prefab kit? If so, see this page on Legalett Geoslab foundation kits and air heated floors and you can contact them through there. If that's not what you mean let us know but I can't think of any other system you'd be referri...

...on right on the ground seems like a risky move. Here are a relevant pages you might find valuable -  Choosing the right insulation for the right application All about hemp insulation Slab on grade construction - the definitive 'how to' guide It's obvious you are conscious of the materials you use and are aiming for n...

...on what your desired finished floor is. We built a slab on grade with 8 inches of sub-slab insulation, and even with that much, it was still a bit cool on the feet. So personally, I am all in for warm floors. Life is too short (or perhaps too long) to spend it with cold feet. If you’re considering your options, you may...

...ons to build our new home.  We have chosen to build the house on a slab on grade foundation. My builder was suggesting that we at least start with the foundation in the fall and then start work back up again in the spring. This may be okay when installing a full basement foundation, but can a slab foundation hold up in...

...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 provide a seamless layer of insulation below the slab an on the exposed above grade portion of the slab. This way you are insulated from below seamlessly up to the p...

...slab, so I would suggest you contact legalett that provides slab on grade prefab kits across Canada and the US. We used one on our last demonstration home builds, here you can see a time lapse DIY  raft slab / slab on grade installation video.  And if you're interested in the definitive history of ICF Construction and ...

...only fits with their slab on grade system.  Is there a similar product that can be used as a threshold to not only support the weight of the sliders but also be tough enough to act as a threshold on the exterior on the house?  Thanks, Shaun   The Legalett Thermalsill insulated door sill for slab on grade floors is only...

...onverting to a slab foundation and how might I go about it?  Yes, you can convert a crawl space into a slab on grade foundation, it just isn’t a particularly cheap process. You would need to jack the building up, and depending on the situation either remove the existing foundation or fill it in, then pour a slab on gra...

...on? The section where the thickened edge of the slab meets the covered porch must require insulation?  Yes, you can do a mono-pour for a slab on grade even with an exterior porch. You would need to include a thermal separator between the interior and exterior portions of the slab, but as long as the entire slab foundat...

...on of a top view looking down but still working on a side view but not quite sure on what section and how much reinforcement I would need to hold the structure I want to build.  Can you help? Where are you building? And are you talking about the air heated raft slab form kit from Legalett? 

...one of the prefab homes on the piles? We have many models of prefab modular kit houses that can be seated on 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 so we can supply prefab kit houses all of Canada ...

...onally, love slab on grades. However, one big worry I often have is water damage at the base of the wall. Due to the wall being so close to grade, I worry about water pooling inside the sill of the wall. What is the proper way to design a slab on grade to prevent water damage and a failure of the house? If you can, a s...

...slab on grade for a 20 by 14 room extension on a main house with Poured concrete dirt floor crawl space.  Yes, you can pour a slab on grade as a frost protected shallow foundation directly adjacent to a house with an existing foundation. You would need to have it properly engineered of course a good possible solution i...

...on a concrete pillar below the frost line, how would you integrate the Slab on grade with that construction? There isn’t a case where we would suggest going below the frost line with frost walls for a slab on grade, we prefer to to stay on grade and install a skirt of insulation around the perimeter of the building. On...

...slab on grade will be more durable and resilient than a basement. The only reason a slab would crack and damage a house is if it isn’t properly made. Assuming you don’t build on a flood plain, a slab will also not flood. With a basement, you can take measures to protect it, but there will always be at risk of flooding ...

...slab on grade, but these are not sold separately, they are a feature offered the company if you have them provide an engineered slab on grade foundation kit. Alternatively with a hand-built slab on grade foundation, you can remove a few inches of insulation where door openings will go to allow concrete to pour over it ...

...on, which then lends itself to the constant problem of erosion unless the backfil is contained in a crib of some sort.  Also, in order to save on costs building the shop, can I vary the slab thickness to accomodate different loading or do I have to pour one massive slab? I have a 12 tonne truck in one area, footprints ...