Legalett Passive House / Discussions

What windows should you use when trying to build a Passive House?

...passive house on my own as much as possible. I'm going for a hybrid log house look. Using Insulated slab foundation by Legalett, double frame wall system, 12 in...

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

Can I use a Legalett slab in Florida if I don't want floor heat?

...Passive House home builds that use a Legalett insulated slab base don’t install heating systems, and detached garage slabs aren’t usually heated as well. And we...

Posted by Harry Dickinson March 25, 2021, 10:21 a.m. Slab on Grade 1 Responses

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

...house is now standing, it is the first house built of our new prefab modular kit houses available across Canada and the US . you can see a full break down of th...

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

How well do Legalett slab on grade floor forms work?

...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 3 Responses

How well does the Legalett air heated floor work when pouring concrete?

...legalett air-heated floor for our recent demo house and did a time-lapse install video here - Solar Radiant Heated Floor Kit - Slab on Grade for LEED, Passive...

Posted by Israel Sword March 28, 2020, 6:26 a.m. Slab on Grade 1 Responses

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

...Legalett’s Passive House Certified Thermalwall insulation panels designed to improve the R value and efficiency of ICF walls. Another weak spot is the door thre...

Posted by Walter van den Broek Sept. 18, 2020, 11:23 a.m. Foundation choices 1 Responses

Can you elevate a slab on grade foundation?

...Passive House performance with you home then you may want to look into such a kit, below is an image of a Passive House slab under construction with 14 inches o...

Posted by Raoul Lions July 27, 2019, 2:47 p.m. Slab on Grade 4 Responses

What is a thermal break solution at a door threshold?

...house? Thanks, Shaun The Legalett Thermalsill insulated door sill for slab on grade floors is only available with Legalett-designed slabs unfortunately . It...

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

What are the factors I should consider for choosing between a slab on grade and basement?

...passive house standards, although not interested in certifying it. We are trying to decide between having a basement vs. a slab. The house will be around 3000 f...

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

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

...Passive House related, structural questions about foundations are out of our competence range which is why on the home we're currently building on poor expansiv...

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

Are Insulated Concrete Forms and Gigacrete panels good?

...Passive House. I'm aslo planning to build a house, not necessarily up to passive house standards, but as green as economically possible. For the exterior wal...

Posted by Dallin Sumpter Feb. 21, 2019, 2:46 a.m. Wall assemblies - new construction 5 Responses

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

...house for passive solar heating . Both of those design priorities will reduce the size of the heating system you require as well as the amount of energy it will...

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

Should I build a basement or slab on grade?

...house? 50% off for sure makes it more appealing! Energy modelling showed that about half of the heat load of the Edelweiss House is met with passive solar heati...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 9 Responses

What is the perfect wall assembly?

...Passive House. And another that makes a lot of sense is ThermalWall exterior insulation panels from Legalett . They are made from EPS foam, and they have a me...

Posted by Paul Drouin Sept. 17, 2020, 6:29 a.m. Wall assemblies - new construction 1 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does 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 Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

Is hydronic slab heat appropriate in a super insulated home?

...house which was the first LEED V4 in Canada and it also met Passive House performance requirements even though it we didn’t seek certification. We used the hous...

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