Existing / Discussions

How do you insulate a cottage crawlspace and install radiant floor heat?

...existing building is usually preferable whenever possible than tearing down and starting over. The portion that is just 6” from the ground is a bit of a problem...

Posted by Todd hall June 28, 2020, 8:36 a.m. Crawl spaces 1 Responses

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...existing walls because it doesn’t trap moisture and it isn’t negatively affected by it. So where exactly are you building? And are you stripping all the insul...

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses

How do you lower high radon levels in a basement?

...existing homes that are performed by processionals that specialize in it, which can often mean sub-slab depressurization. I would search radon mitigation, or ra...

Posted by Uma Parekh May 22, 2020, 11:54 a.m. Healthy indoor air quality 1 Responses

What is the best practice to insulate a crawl space floor?

...existing hot water baseboard heat from adjacent room. Also , project is located in 6b region, nort New Jersey Hey Austin, so are you leaving the crawl space col...

Posted by austin Fanning March 16, 2020, 8:55 a.m. Crawl spaces 4 Responses

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

...existing plywood. Are you still in the design phase or have you started building already? Thanks Mike! I'm still in the design phase. Hasn't started construct...

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

Can my shallow crawl space be converted to a slab foundation?

...existing foundation or fill it in, then pour a slab on grade and rest the house back down on it. We of course can’t give you any specific advice on how to carry...

Posted by Sian O'Keefe Aug. 15, 2020, 12:52 p.m. Slab on Grade 1 Responses

How do I stop a leak from my attic?

...existing batts you could lay down a 6 mil poly vapor barrier , seal any penetrations then insulate on top. The problem with the insulation batts blocking the so...

Posted by Markus Duess Feb. 11, 2019, 12:42 a.m. Roof assemblies - renovation 1 Responses

Should I replace my skylights with solar tubes?

...existing ones. Skylights are usually quite a bit bigger than a lightwell , so you will lose some of the light you are probably accustomed to, as well as the vie...

Posted by Elizabeth Brown Nov. 30, 2018, 9:32 p.m. Windows and doors 1 Responses

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

...existing structure or building a new one? Either way it doesn’t hurt to check with Legalett for a price, and that could help you avoid a few headaches in regard...

Posted by Christine Pountney May 2, 2019, 1:22 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

Where can I find building plans for an eco home?

...existing double car garage (18' wide x 25' deep). I'm interested in replacing it with a pre-fab garage with an apartment on the second floor. Are there any pre-...

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

How do you know when its time to replace windows?

...existing ones. Except with very old and badly damaged windows on a house that is otherwise in very good shape, the odds are you will not recoup an investment ...

Posted by Ted Dec. 11, 2017, 12:50 p.m. Windows and doors 1 Responses

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

...existing situation – If I understand, you probably have a total of 5.5” inches of insulation by adding 2x2’s to old 2x4s (which are probably a true 4 inches rat...

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

What considerations should be made when installing a green roof on a metal building?

...existing structure could handle. You could check with the municipal building department and they may be able to offer more advice than us.

Posted by Nina Flores Feb. 16, 2020, 4:57 p.m. Roof coverings 3 Responses

Which radiant floor heat is best?

...existing floor then electric mats are for sure the cheapest option. The air heated floor by Legalett is more for new builds. Legalett supplies engineered slab...

Posted by tony wolff Dec. 25, 2020, 1:22 p.m. Delivery: radiant, forced-air and decentralized 3 Responses

Which of the passive home prefab kits are available in Quebec?

...existing plans in order to customize homes to meet the needs of individual families. Prefab Passive House & LEED Kit Homes for Sale We have had a lot of req...

Posted by Shawna Dunbar June 16, 2020, 3:51 p.m. Architecture and plan design 1 Responses

What is your recommendation for an air source heat pump?

...existing system. I am hoping to find an air to air heat pump that will tie into my existing duct work. It appears Mitsubishi Electric does not currently sell th...

Posted by Martin Dandeneau July 9, 2020, 2:30 p.m. Heating and cooling 3 Responses

What is the best underfloor insulation type for radiant floor heat?

...existing home with radiant infloor heating we can probably help you out but we’d need more info first - what is below, a crawl space or a full basement ? And is...

Posted by David Irwin July 12, 2020, 6:48 a.m. Heating and cooling 1 Responses

What is the best way to make a row house in Montreal Quebec more energy efficient?

...existing cast iron radiators which are compatible with water to water geothermal systems, so I would recommend that route, either with new rads, or if you could...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses