Underneath / Discussions

With a raised house how should I insulate underneath?

...underneath then I don’t think you’ll really need the 6-mil poly unless you close it in. What climate zone are you in (or nearest city), and are you keeping it o...

Posted by Kevin Marmillion Feb. 1, 2021, 11:43 a.m. Basements improvements 3 Responses

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

...underneath and drop it back down. 2-3 feet won’t do it though, you’ll need to get it high enough to work under there. Generally that is something you’d hire a s...

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

How much insulation should I install underneath my concrete slab in my basement?

I live in a cold climate - Winnipeg Manitoba, and intend to install radiant heat in the concrete slab. As my basement is below the frost line, I’m not sure if ...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

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

Hi I am planning to retrofit our 1960s 3bed semi here in Ireland. We have a suspended timber floor and I intend to lay electric underfloor heating under lamina...

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

What kind of non-toxic exterior sheathing can be used in place of plywood?

...underneath finish ext siding) has formaldyde, glues all of which are toxic. What can I use that will be non-toxic, or at least much less toxic? Thank you very...

Posted by pier charter June 4, 2020, 1:12 p.m. Wood and organic materials 1 Responses

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

...underneath to avoid heat loss as the floor will be exposed to the elements being on stilts. Can the concrete floor be poured directly on the plywood subfloor? ...

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

What's the best way to seal a crawl space and insulate?

...underneath and the radon pipe runs through the space as wel and out through my roof. I was thinking about putting foam board on the block wall and sealing the r...

Posted by Steven Johnston Feb. 23, 2021, 12:35 p.m. Crawl spaces 1 Responses

Do you need ventilation in a cold storage pantry in a high performance house?

...underneath our front porch. The cold room is inside the foundation, with rigid foam insulation external to the foundation and vapour barrier. It is insulated an...

Posted by Brad Sullivan April 12, 2021, 1:13 a.m. Ventilation 1 Responses

Do I need a standard 6 mil poly vapor barrier with dense cellulose exterior wall?

...underneath it and the vinyl siding. Thanks Personally, I think I would be very cautious in changing your current wall, and i'd probably chose Rockwool over ce...

Posted by jeff Chormann May 1, 2020, 9:18 a.m. Air and vapour barriers 2 Responses

Can you help me decide between a foundation, slab on grade and crawlspace?

...underneath to get around the problem my parents have of needing to drill into it to do repairs? It also gets around the expense of having a full basement. Is th...

Posted by David Davenport Nov. 26, 2018, 12:57 a.m. New foundations and slab-on-grade 1 Responses

Should you allow air flow through a crawl space with a dirt floor?

...underneath the cabin? If it is best to remove the sheeting what would your suggestion be for insulating the floor from below? We are thinking spray foam? Then w...

Posted by Amber Murray Aug. 17, 2020, 10 p.m. Crawl spaces 3 Responses

How do you insulate a cottage crawlspace? It's in the Haliburton Highlands

...underneath, and d) spray insulation on entire perimeter of plywood skirting? Would moisture problems under cottage contribute to moisture inside cottage? We w...

Posted by Beata Domanska May 25, 2020, 11:38 a.m. Crawl spaces 1 Responses

What is the best deck material?

...underneath. If you prevent water from damaging the deck joists you can often leave them in place when a deck is in need of repair and only replace the top decki...

Posted by Babak K July 17, 2020, 2:10 a.m. Decks, porches and gazebos 1 Responses

What are the options for adding Exterior Roof Insulation?

...underneath the sheating at the top of the insulation. If that is the case, laying SIPs or ThermalWall panels on the sheathing won't do anything at all since col...

Posted by Marlo Raynolds Aug. 29, 2020, 9:19 p.m. Roof assemblies - renovation 4 Responses

How should I insulate basement Walls in climate zone 5?

...underneath the footing as well, which I doubt. Myself I would prefer to have a membrane against the interior of the concrete wall to prevent the concrete from...

Posted by Chad Johnson March 25, 2019, 8:33 p.m. Basements improvements 1 Responses

How do you Insulate a 3 season cottage?

...underneath like most of the ones I'ves seen, then you may want to do that as well at some point. An easy way to do that is with spray foam, and we specifically ...

Posted by Terry Skindilias April 23, 2019, 9:27 a.m. Wall assemblies - renovation 4 Responses

How do you insulate a crawlspace with dirt floor?

...underneath it, then you could consider spraying the underside of that if you have a spray foam contractor there anyway. We would recommend you look for an insta...

Posted by sal Bellicoso Oct. 30, 2019, 4:56 p.m. Crawl spaces 2 Responses

Do you have any tips to unclog a sink with standing water?

...underneath to catch any water or debris. If that doesn’t do it, you could use a wire coat hanger to try to dislodge the blockage, use a pair of pliers to bend i...

Posted by Laura Tom Jan. 7, 2019, 2:06 a.m. Plumbing and water heaters 1 Responses