Demo house / Discussions

Looking to build a small home as eco as possible, where do we start?

...demo house, this one in Wakefield, QC it is about the size you mention so it may be worth considering, and being nearby you could go have a look at it. It is an...

Posted by Jennifer Bisson July 12, 2019, 12:12 p.m. Planning and Design 2 Responses

What is the best material to use on top of plywood for water proofing?

...house wrap, which is best? In our 2015 LEED Platinum Demo house we installed a peel and stick weather barrier / exterior air barrier, see our how to install a...

Posted by Babak K July 27, 2020, 12:22 a.m. Air and vapour barriers 3 Responses

What is the best way to do a radiant floor in an off grid house?

...demonstration house, and the solar panels are expected to contribute over 70 percent of the heat load simply by running two fans, which can be done with PV pane...

Posted by Julien Comtois Oct. 2, 2021, 11:21 a.m. Heating and cooling 6 Responses

What is safer than OSB for someone with multiple chemical sensitivities?

...demo house is targeting LEED Platinum, and has extremely safe air quality. All the interior finishing (walls and trim) were done with a formaldehyde-free UV tre...

Posted by Ian Smith April 27, 2020, 1:01 p.m. Healthy indoor air quality 1 Responses

Is the ZIP sheathing system good or bad for water control?

...demo house. I am an architectural technologist at a commercial firm in Calgary and we only do exterior insulation with a combined air/vapour barrier on the exte...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 5 Responses

Does using T & G wood plank instead of drywall affect where we put the vapor & air barrier?

...Demo House we used vapour barrier paint on the walls but we used poly on the ceiling. As for your building inspector, that could go either way, so if you want t...

Posted by Sue Colbourne Nov. 9, 2019, 6:16 p.m. Walls and ceilings - interior surfaces 3 Responses

When using larsen trussees, what is the maximum spacing between TJIs

...demo house the S1600 prefab kit home has offset studs and 15 inch deep cavities. My concern with doing 4 foot spacing would be that it might be difficult to h...

Posted by steve outlet March 6, 2020, 12:39 a.m. Wall assemblies - renovation 3 Responses

Lunos HRV - where can I buy them and get advice?

...demo house build a few years ago.

Posted by martin tierney Nov. 16, 2019, 4:57 p.m. HRV and ERV 1 Responses

Where can I find building plans for an eco home?

...houses. We don’t currently have plans we can offer unfortunately. There are Passive House and LEED certified prefab kit homes available that may meet your needs...

Posted by Derek Kittilsen Aug. 4, 2019, 12:09 p.m. Planning and Design 5 Responses

What is the best ERV on the market ?

...demo house build and we are very happy with it. You’ve done some pretty diligent research into models, the only thing I would recommend is looking into the cost...

Posted by Brandon Phelps April 18, 2020, 12:09 p.m. HRV and ERV 1 Responses

Have you excavated under one of your slabs middle of winter?

...demo house is in Quebec, Canada, which is about the same climate conditions as yours in Minnesota. By factoring the heat loss of a slab (meaning - how much in...

Posted by Mike Kolder Jan. 31, 2021, 2:31 p.m. Slab on Grade 1 Responses

How well do Legalett slab on grade floor forms work?

...house if it were on a crawl space or basement? What I mean here relates to the part above the foundation; i.e. the main house and garage construction. 8) Are ...

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

How do you install rigid insulation to the outside of a brick house"

...demo house a few years ago. About insulation now – you could insulate the outside of the bricks, but rather than applying something that will hold moisture, y...

Posted by Gordon CASWELL Dec. 13, 2019, 11:38 a.m. Wall assemblies - renovation 1 Responses

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

...demo house and did a time-lapse install video here - Solar Radiant Heated Floor Kit - Slab on Grade for LEED, Passive, ZNE Legalett monitors the process of ...

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

What type of framing is best to reduce CO2 emissions in a single family home?

...demo house, is that it is seated on a solar air heated slab on grade . But the solar panels have not yet been installed, so those energy savings are not include...

Posted by Rachel Rodd Sept. 28, 2020, 3:04 p.m. Wood and organic materials 1 Responses

Can you insulate an existing slab on grade floor?

Our house was built in the seventies as slab on grade. Apparently they didn't used to put much insulation under the floor because it is freezing cold in the Ve...

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