Legalett / Posts

Are there any updates on the progress of the second demonstration house?

...Legalett air-heated floors across Canada and the U.S. since the mid-70s, and even longer in Sweden where the company originated, so there is nothing new there; ...

Posted by dean c April 30, 2019, 7:58 p.m. Solar thermal collectors 2 Responses

Current info and references for Legalett Air Heated Shallow Foundation system

...Legalett system? We also believe we have a good local excavator for the septic and foundation work. 7) If so, would non-Legalett trained people need any speci...

Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 1 Responses

Where would I go for guidance on structural design of footings that sit on top of high-density insulation?

...Legalett to supply a pre-engineered insulated slab form kit - (see details here)

Posted by Douglas Bennion July 31, 2019, 4:34 p.m. Foundations and Basements 1 Responses

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

...Legalett air-heated floor, below is a link to an installation video as well as a few other resources on slabs. Legalett Solar Air Heated Slab on Grade insta...

Posted by Christine Pountney May 2, 2019, 1:22 p.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 the plastic vapor barrier go??

...Legalett , and they don't install vapour barriers ever unless for radon gas prevention or to achieve Passive House certification . All that to say, 4 inches of ...

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

Insulating under the footings of a frost protected shallow foundation

...Legalett that design and manufacture frost-protected slabs, having it done for you may be worth considering. Note that there is no skirt on this slab, and the f...

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

Insulated Concrete Forms and Gigacrete panels

I want to build a house to passive house standards and keep it to a relatively small budget. I stumbled upon ICFs and Gigacrete while researching building mate...

Posted by Dallin Sumpter Feb. 21, 2019, 2:46 a.m. Wall assemblies - new construction 4 Responses

Slab-on-grade instead of Pressure treated wood foundation

...Legalett) has over 2 million square feet installed in North America and they have never been refused a permit. Here are a few pages that may help you build a ...

Posted by Margot Simonot May 20, 2019, midnight Slab on Grade 1 Responses

Can you elevate a slab on grade foundation?

...Legalett . We chose that partly for performance, but also because the house is seated on expansive soils, so a frost wall and footing would have required signif...

Posted by Raoul Lions July 27, 2019, 2:47 p.m. Slab on Grade 1 Responses

Considering a slab on grade vs a basement

...Legalett and will also investigate others. Do you have any preference over a frost wall system vs. a slab type system like Legalett's? Thanks. A footing and fro...

Posted by Shaun B April 2, 2019, 6:35 a.m. Slab on Grade 3 Responses

Passive windows and doors

...Legalett, double frame wall system, 12 inches deep filled with dense pack cellulose insulation and a parallel sloping truss roof 15 inches deep again filled wit...

Posted by Raoul Lions Jan. 25, 2019, 2:18 p.m. Windows and doors 1 Responses
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