Roxul / Discussions

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

...roxul insulation in the ceiling space as sound proofing and the roxul/batt insulation is in the ceiling space right up against the exterior wall. Installing bat...

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

How do you finish the exterior of slab on grade?

...roxul that would be exposed after building the exterior walls. Just to be clear when you say the 'top of the Roxul', the top horizontal edge of the slab insulat...

Posted by Dave Derouin Oct. 18, 2018, 1:45 p.m. Slab on Grade 1 Responses

How do I insulate my half below grade basement?

...roxul insulation to give around r24 (local code). This is expensive and I'm not 100% on board because the basement is half above grade. I have seen in the CMH...

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

How do you best use polyiso insulation in a basement?

...Roxul/rockwool insulation, NO poly vapor barrier & ½” gypsum drywall, sealed with drywall sealer and painted with vapor barrier paint. What problems do you se...

Posted by Iain Matheson Jan. 24, 2020, 7:45 p.m. Basements improvements 1 Responses

How do you do insulation the outside of a log home?

...Roxul insulation, horizontal strapping with 1x3s and then either vinyl siding or pre painted wood board and batten. My questions would be, do I need to have a a...

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

In your Edelweiss house you use 2x6 studs. Why not use 2x4 studs and add 2" rigid on the inside?

8" semi rigid and 5 1/2" between the studs. why not use 8" semi rigid, 3 1/2" between the studs and 2 " more semi rigid on the inside beneath the gyprock? Is t...

Posted by Tom Wagar Aug. 25, 2019, 3:40 p.m. Wall assemblies - new construction 1 Responses

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

...Roxul) mineral wool insulation? We really like it when insulating the exterior of existing walls because it doesn’t trap moisture and it isn’t negatively affect...

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

What type of Insulation can I use on the exterior of my home?

...Roxul) and Johns Manville. The other think you'll need is a weather barrier / weather resistive barrier (WRB), and a breatheable one would serve you best to a...

Posted by Scott Muller April 18, 2019, 2:19 p.m. Wall assemblies - renovation 6 Responses

Can you Insulate a Cinder block basement foundation with Rockwool?

I am looking for advise on how to insulate CMU walkout basement with Rockwool insulation. I have one wall fully above ground (walkout side) one wall fully be...

Posted by Victor B June 19, 2019, 11:41 p.m. Basements improvements 5 Responses

How do you fix high humidity levels in a basement?

...roxul insulation in the floor joist in the basement, but my idea was dismissed. I was told that I should add more insulation in the attic and insulate the walls...

Posted by JR Tadinac Aug. 21, 2019, 11:26 a.m. Healthy indoor air quality 3 Responses

I want to insulate the outside of my house, which type of insulation do you think is best?

...Roxul prior to re-branding). It’s sort of a failsafe insulation in the sense that air goes through it, moisture goes through it and water drains through it. You...

Posted by Joe F Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 7 Responses

What is the best way to seal around windows?

...Roxul is our batt insulation of choice due partly to it’s composition of being largely recycled, but also that it handles exposure to moisture well. I would sug...

Posted by Bryan Squirrell Oct. 8, 2019, 8:53 p.m. Windows and doors 1 Responses

How do you insulate a crawlspace?

...Roxul) that is not affected by moisture, so it’s much safer to have in a potentially humid environment like a crawlspace. Insulating between the floor joists is...

Posted by Drew Weistend Nov. 14, 2017, 9:22 a.m. Crawl spaces 1 Responses

What do you think of insulated T Studs in Canada?

I found a video of a house using the thermal or T-stud. Have you seen this product and what are your thoughts on its use in Canada. It allows for a fully insul...

Posted by Lee Watt June 3, 2019, 10:57 a.m. Wall assemblies - new construction 1 Responses