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Can you install foam boards directly against basement walls?

...to Install two inches of rigid insulation board directly against concrete. A mold expert told me to put the board on top of the framing, not directly onto the c...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 16 Responses

Is it a good or bad idea to spray foam directly on the interior of shiplap siding?

...to improve energy efficiency, you have to make sure walls can dry. Applying spray foam directly to the back siding of your cladding doesn’t sound like a good id...

Posted by MITCHELL KOCH Aug. 21, 2020, 3:49 p.m. Exterior cladding 1 Responses

Is there thermal bridging in the Edelweiss REMOTE wall?

...directly into the studs, but they still go directly into the first layer of strapping which is itself directly screwed into the studs. So there is still some th...

Posted by David Pantalone Feb. 9, 2020, 4:42 p.m. Wall assemblies - new construction 1 Responses

What are the options for radiant heat with a slab on grade?

...to a radiant heating system that is built directly into the slab? Radiant heating is very comfortable , and there are really only minimal differences between th...

Posted by August Wehrmann Feb. 3, 2019, 6:52 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is the best way to Insulate a basement and floor joists that are embedded into the concrete?

...Toronto. We had some water issues and I've opened up the walls where I found some mould to see that the previous owners installed batt insulation directly onto ...

Posted by David Pereira April 28, 2020, 10:34 p.m. Foundation and basement improvements 2 Responses

What is the best way to install 5" of XPS rigid foam on interior basement walls?

...to stay wet forever anyway since the ground is wet even if you were to allow it to dry to the interior. On that point – if drying to the interior is something...

Posted by Sean MacDonald June 14, 2021, 10:42 a.m. Foundation and basement improvements 8 Responses

Can basement walls to dry to the inside with foam board?

...to me over time behind the eps will be wet as this moisture has nowhere to go? I have also read attach it directly to the concrete with no air gap, lately I'm...

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 6 Responses

When I use my stove hood I get smoke odours in my home, is that due to negative pressure and how do I fix it?

...to that of the hood. Until you take steps to mitigate the influx of flue gasses, we would advise you to limit the use of your stove hood, or at the very least...

Posted by Anonymous Dec. 11, 2017, 12:37 p.m. Healthy indoor air quality 1 Responses

How to add greenery to an existing metal roof?

...directly to the HDPE membrane? Thank you very much! Under the right conditions I would say yes, it is possible to transition a metal roof to a green roof, but...

Posted by Alexandra Dobrescu Dec. 3, 2021, 9:03 a.m. Walls and Roofs 1 Responses

How should I insulate under a concrete hydronic slab on stilts?

...to screw piles to begin with to carry such a heavy load as a slab on concrete not to mention the house, and you are left with a house that sort of falls short o...

Posted by Cam Smith Feb. 6, 2021, 12:21 p.m. Foundation choices 1 Responses

Can you spray foam a house from the outside?

...tor has pitched you the idea then they obiously have a plan on how to carry it out, so I would propose you speak to them to find out what they have in mind, and...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

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

...to get it high enough to work under there. Generally that is something you’d hire a specialized contractor to do, you weren’t planning to do this yourself I hop...

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

Should I put foam boards right against my basement wall or leave an air gap?

...to stop the block from freezing and thawing? We have funds at the moment but don't want to pour a ton of money into it. I'm just trying to prevent any further d...

Posted by Elijah Hargett Jan. 9, 2021, 5:31 p.m. Foundation and basement improvements 4 Responses

Should we renovate or get a Prefab Kit house?

...to discuss. Take care Deciding when to tear down a house and when to renovate and repair is always a tough decision, we actually have a page about that whole ...

Posted by Ali Mackenzie Aug. 12, 2020, 7:44 p.m. Concept and design 1 Responses

Which type of exterior insulation to use on a house?

...to remove aluminum siding. Apply a "Tyvek" wrap, fasten 1.5" rigid to the studs. Then apply a royal building (brand) vinyl siding directly on top of the rigid i...

Posted by Trevor Marshand May 26, 2020, 1:16 p.m. Insulation and soundproofing 1 Responses

What is the best exterior insulation to put over existing double brick?

...tory addtition to a double brick 1940's bunglow. The inside will be be well insulated to code with an HRV, etc., but we also are looking to add 1" of rigid insu...

Posted by Andrew T July 19, 2021, 8:19 p.m. Wall assemblies - renovation 1 Responses

Is there any risk to a concrete foundation from adding interior insulation?

...tor toured my 100-year old house near Toronto and told me that they wouldn't recommend installing any insulation in the basement because it could cause freeze-t...

Posted by Drew Tozer Jan. 5, 2021, 12:57 p.m. Basements improvements 9 Responses

Can you use Foam boards on basement walls to stop condensation?

...to check. This particular wall is not buried fully like the rest (due to slope of property) and it is exposed to the outside temps top to bottom from the outsid...

Posted by Chad Johnson Dec. 21, 2019, 7:59 p.m. Basements improvements 3 Responses