Existing / Discussions

Can you create a passive wine cellar by insulating and air sealing a crawl space?

...existing crawl space is 4 ft tall and ventilated to the outside. The crawl space has a concrete floor. I think it would be an excellent place for a passive wine...

Posted by JC Wong April 2, 2021, 6:50 p.m. Crawl spaces 5 Responses

Should I remove the plastic sheet in my cellar?

...existing cellar, in the house we just bought. It was built 20 years ago and the construction is as follows. Outside walls, gap to a metal stud wall, which is fi...

Posted by Justin D'Arcy Dec. 4, 2020, 12:13 p.m. Basements improvements 2 Responses

Is spray foam a good way to insulate a house from the exterior?

...existing vapor barrier behind our drywall but doubt it - this is an older wood framed bungalow. In addition, i dont expect our interior drywall forms a very g...

Posted by Simon Levitt Dec. 21, 2020, 2:14 p.m. Wall assemblies - renovation 1 Responses

Basement reno - How do I effectively insulate my basement?

...existing drywall, 2x2 studs, 6mm poly, r12 fiberglass insulation, and tar paper everywhere except laundry room, mechanical area, and beside stairs. Total baseme...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

How do you seal up an old fireplace chimney?

...existing fireplace chimneys: By installing batt insulation in the chimney and not using spray foam, it is easily disassembled if needed so you may be able to ...

Posted by Gord Nov. 2, 2017, 10:06 a.m. Wood stove and biomass heat 3 Responses

Is there a concrete admixture to prevent water leaks?

...existing, as an 'admix' would be added to the concrete before it is poured. With more details we would be happy to help. ICF foundation a new building :) We a...

Posted by Frank Liu July 4, 2020, 6:03 p.m. Waterproofing and drainage 2 Responses

Can you raise a garage floor?

...existing slab floor was constructed. IF it is a truly floating slab with no rebar anchors into the walls then you could look at getting a slab jacking company t...

Posted by Anwar Chowdhury Jan. 3, 2021, 2 p.m. Concept and design 2 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

Will evacuated thermal solar tubes work for a greenhouse in winter?

...existing? I ask because if its new then you can install radiant hydronic tubing in a poured concrete floor that you can feed with heated water from thermal sola...

Posted by Solus Lee Una Feb. 22, 2021, 6:09 p.m. Greenhouses and Sunrooms / Solariums 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

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

What's the best detector & alarm for a back flow valve that has been installed by the utility?

...existing system, we would probably take a look here for alarm product comparisons and availability. It's a great idea to have one of these alarms fitted if you ...

Posted by Tom Poe March 27, 2020, 6:38 p.m. Basements improvements 1 Responses

In Ottawa, are geothermal heat pumps efficient?

...existing bills. The times it for sure makes sense is when there is a very large footprint of a new home or a very poorly-insulated and leaky building envelope o...

Posted by John Ioannou July 20, 2020, 12:19 p.m. Heat pumps, geothermal and AC 1 Responses

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