Demo house / Discussions

Can you do an update on Ecohome’s new demo house?

...demo house, did Legalett also build the Solar Air Panels to ensure a continuation of its closed loop system? In the last article about this latest demo house,...

Posted by dean c Oct. 16, 2019, 2:04 a.m. Concept and design 1 Responses

Is there an update on your demo house solar air heater?

...demo home with the pre fab house on a Legalett air heated slab foundation to do an analysis of its effectiveness? I'm wondering what the numbers are on using th...

Posted by dean c Oct. 24, 2020, 2 p.m. Concept and design 1 Responses

A different wall and ceiling vapour barrier treatment in the Eco-home: How come?

...house the wall construction vapour treatment was different from using poly in the roof...having convincingly demonstrated why the wall vapour barrier system and...

Posted by James Turk Nov. 22, 2021, 11:37 a.m. Air and vapour barriers 0 Responses

Can I see details about the heating and domestic hot water systems of the Edelweiss house?

I saw the article on the CaGBC site regarding the Edelweiss house where it indicated "a hydronic radiant floor and an air source heat pump". Can you post more ...

Posted by August Wehrmann March 10, 2019, 9:26 a.m. Heat pumps, geothermal and AC 3 Responses

Should I bother testing for radon in a gutted and uninsulated house?

...demo on 100 year old house. With the removal of wall panels and the ancient insulation aka 100-years-of-mold, the house is pretty drafty. I want to test for rad...

Posted by Luba Sharapan March 27, 2021, 12:04 p.m. Radon in Homes - Mitigation 3 Responses

How to air seal & ventilate a partial gut reno of a 1901 house?

I'm renovating a 1901 house, detached wood frame with stone foundation. We are creating a ~1500SF owner's duplex on the 2nd floor and former attic. The basemen...

Posted by Zach Zill Feb. 7, 2021, 4:33 p.m. Air and vapour barriers 0 Responses

What is the best way to insulate embedded joists in a basement Montreal Home?

I've recently purschased a house in Montreal Canada. We get -20C in Winter and we can get +30C in Summer. I have a split level home built in 1961 that is pre...

Posted by Emil Idf Jan. 7, 2020, 8:34 p.m. Foundation and basement improvements 1 Responses

Should I vent the space between a block wall and vapor barrier?

I bought my house about a year ago and I recently took out 4 of the exisiting basement walls. 3 of which where exterior and 1 was just dividing the finished ar...

Posted by Nick Santore Oct. 10, 2020, 2:03 a.m. Basements improvements 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

What is the best wall design for cold climates?

...house is insulated with Rockwool Mineral wool insulation . Our latest demo house was insulated with dense packed cellulose insulation (recycled newsprint) , you...

Posted by Jeremy Hull Jan. 20, 2021, 10:21 a.m. Concept and design 1 Responses

How do you install radiant floor heating in an old building?

...demo it.....I would like to hear them .....Thanks !! The only feasible way to put a radiant slab on grade floor under and existing building would be to jack it ...

Posted by Rob Doda March 19, 2020, 3:21 p.m. Delivery: radiant, forced-air and decentralized 2 Responses

How do you make an airtight house envelope?

...demo houses and hit PH airtightness levels, you can see a video of it here – How to install air barriers properly to make a house airtight – DIY video As fo...

Posted by Valeriy Kraydman Dec. 1, 2020, 2:52 p.m. Air and vapour barriers 1 Responses

Can you install a slab on grade foundation in the Fall and leave it over winter?

...demo house we built a slab on grade with the intention of pouring it in the fall but ran into delays and it wasn’t until March that we did it. So we ended up ...

Posted by Matthew Gioia Sept. 21, 2020, 9:15 p.m. Slab on Grade 1 Responses

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

...demo house in Wakefield, QC. Thanks for your response and the link to get a quote. Yes, I understood that the house has to be much higher during the constructio...

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

Is it possible to do a mono pour if you have a covered porch?

...Demo house was an air heated raft slab on grade and had exterior porches as well, we had the slab engineered by Legalett that provides slab on grade kits , so i...

Posted by Frank Gascon Aug. 10, 2020, 8:05 a.m. Slab on Grade 1 Responses

Can you use Comfortboard mineral wool insulation as a skirt on monolithic slab?

...demo house project , and the company wasn’t a whole lot more helpful at the time for us either. Slab on grade foundation insulation is not a market they seem in...

Posted by Eric Sokol Oct. 16, 2021, 11:15 a.m. Slab on Grade 1 Responses

Where to find Aeratron ceiling fans?

...Demo House in 2015 but we have not been in contact with the company since. Have you contacted anyone at the company?

Posted by marlene schaly Feb. 21, 2021, 10:08 a.m. Ventilation 1 Responses

What options are there for pre fab Passive House kit designs?

...House ready prefab kit house s, these are available in your area. The LEED Platinum Kenogami house is an exceptional build and was our first demo house, but t...

Posted by Kim MacKay Dec. 27, 2019, 3:12 p.m. Planning and Design 1 Responses