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"Roxul"

Roxul / Discussions

What are the best materials for soundproofing interior walls?

...Roxul) had a specific batt called 'safe and sound' that is marketed for reducing sound, but the difference they found between the two products wasn't much more ...

Posted by Marlene Bovenmars Jan. 5, 2025 Insulation and soundproofing 1 response

Can you use Comfortboard mineral wool insulation as a skirt on monolithic slab?

...Roxul tech support was not very helpful with this question (she seemed unfamiliar with the detail), so I am wondering if anyone has had experience with this?  T...

Posted by Eric Sokol Oct. 16, 2021 Slab on Grade 1 response

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

...roxul and 6 mil vapour under drywall. (No AC) The exterior is poor mans board and batten. (1/2" plywood with 1x2 battons at 16"oc.) This combination, with a 400...

Posted by Charley Nelson Aug. 27, 2021 Wall assemblies - renovation 3 responses

Should I do dense pack cellulose in wall cavities prior to exterior insulation?

...roxul based on price, strapping, new siding. Is it worth densepacking the walls before doing the WRB? The kraft paper falling apart or separating from the insul...

Posted by Gordon McNair April 13, 2021 Wall assemblies - renovation 3 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 ...

Posted by Tom Wagar Aug. 25, 2019 Wall assemblies - new construction 1 response

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 belo...

Posted by Victor B June 19, 2019 Basements improvements 6 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 insula...

Posted by Lee Watt June 3, 2019 Wall assemblies - new construction 1 response

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 all...

Posted by Scott Muller April 18, 2019 Wall assemblies - renovation 5 responses

How do you insulate concrete basement walls and avoid mould?

I have seen pictures of 1.5 inch Rock Wool covering the entire basement walls. Then the stud framing goes on. Then additional bats or Rock Wool boards installed...

Posted by William Hunter Feb. 22, 2021 Basements improvements 2 responses

Can you insulate a concrete block basement walls with only rockwool?

Hello, We are redoing our basement ourselves (zone 5, Toronto) and on a budget after gutting the entire finished basement due to extensive moisture penetration ...

Posted by Aarne Valikangas Jan. 1, 2021 Basements improvements 1 response

Do you have an updated recommendation for attaching exterior mineral wool insulation?

Do you have an updated recommendation for attaching exterior mineral wool you built a few years ago? The way we attached mineral wool insulation on the LEED Pla...

Posted by Fred D Aug. 31, 2020 Wall assemblies - new construction 1 response

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