Board / Discussions

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

...board on the block wall and sealing the rim joists. But does the batt insulation stay or go if I do that? Will that help with humidity throughout the home? Will...

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

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

...board sliding them in behind the studs and directly to the concrete wall will this stop the condensation or will it just build up on the inside of the foam boar...

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

Can you spray foam a house from the outside?

I live in Calgary, Alberta. My house is a 1940s bungalow with a second storey added in 1988. We are replacing the vinyl siding with Hardie Board, and want to i...

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

What is the best method of building a slab on grade?

...board under the exterior of the slab, Tpye III EPS foam under footings and a skirt of R8 insulation extending out 4 feet. ARe these suitable for such conditions...

Posted by Jay Law April 19, 2021, 3:09 p.m. Slab on Grade 1 Responses

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

...Board board and batten rain screen. However, the contractor can also remove the sheathing down to the studs and reinsulate first. He reccomends 2lb closed cel...

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

For home renovation, is it better to install insulation on the inside or outside?

...board (maybe 1" or more thick). I want to take the walls down to the studs and insulate. There is family debate about taking the brick off the outside. If we ke...

Posted by Neil Richardson Jan. 29, 2019, 4:09 p.m. Wall assemblies - renovation 1 Responses

What is the best way to insulate my basement?

...Board Insulation over the bare concrete and leave the framed walls insulated as the are? 2. Install Foam Boards over the concrete and replace the foam in betw...

Posted by Chris Rogers Oct. 27, 2019, 11:23 a.m. Foundation and basement improvements 3 Responses

Should I replace my skylights with solar tubes?

...board that solar tubes are the better choice energy wise -if I were starting a new build, that's what I would choose. But do you think that I should close in my...

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

Where should I put a vapour retarder?

...board and batten. I have read that the optimum scenario is to have one-third of the insulation inside the vapour retarder and two-thirds outside. Would it make ...

Posted by Jeffrey Connell March 14, 2020, 4:25 p.m. Wall assemblies - new construction 4 Responses

How do I best insulate my century home from the inside?

...board over the studs to provide a thermal barrier + Intello (or other) air/vapour barrier to allow breathing/drying + drywall (taped and painted). What insulati...

Posted by Merner Row Design May 12, 2021, 12:22 p.m. Roof assemblies - renovation 1 Responses

What is causing my foundation wall to sweat?

...board against the foundation wall. I wish I could show a picture of what it looks like on here. Any recomendations would be appreciated. What you are describing...

Posted by Jason Duncan Oct. 1, 2021, 8:27 a.m. Basements improvements 1 Responses

How can I insulated the outside walls of a workshop without doing harm?

...board and batten. (1/2" plywood with 1x2 battons at 16"oc.) This combination, with a 4000 watt fan heater, costs about an additional $150 to $200 in hydro per m...

Posted by Charley Nelson Aug. 27, 2021, 9:28 a.m. Wall assemblies - renovation 3 Responses

Should I put insulation on the exterior of a brick house?

...board. I'm considering adding 1" of rigid EPS or GPS insulation under the cladding. I'm trying to decide if this is a good idea and if the pros outweighs the ...

Posted by Andrew T Oct. 3, 2021, 7:03 a.m. Wall assemblies - renovation 1 Responses

How do insulate the outside of a log home?

...boards with vertical strapping (not horizontal) to allow for air flow. If you plan to go with board and batten cladding you would need horizontal strapping, but...

Posted by Michael Hickey Aug. 2, 2018, 6:03 p.m. Wall assemblies - renovation 1 Responses

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

...board directly against the concrete and then a framed stud wall with mineral wool batts and drywall with latex paint. I'd like to do something simple (EPS + ply...

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

How do I insulate my half below grade basement?

...board because the basement is half above grade. I have seen in the CMHC book a scenario where a vapour barrier starts on the concrete, just above grade height...

Posted by tom mckeand Oct. 14, 2019, 11:01 p.m. Basements improvements 1 Responses

What is the best way to insulate the basement of an old house?

...board then 2 x 4 studs with rockwool bats. I've also seen the part about possible breaking floor for a complete reno. I'm just wondering if the poly is against ...

Posted by Bryan Squirrell Jan. 14, 2020, 7:59 p.m. Basements improvements 1 Responses

What is the best way to install basement insulation with existing framing?

...board against the block and have to reframe the walls. Thank you in advance for your help. Is the block discoloration coming through the Drylok? The Drylok shou...

Posted by Nick Trotta Sept. 20, 2021, 8:29 p.m. Foundation and basement improvements 7 Responses