Roxul / Discussions

Why is there condensation in between 1.5" polyiso board and roxul insulation?

...Roxul insulation Batts I went to go do some electrical work today and pulled back a bath and noticed that there was a bunch of condensation and a little bit of ...

Posted by Tyler Norrie Feb. 9, 2021, 2:32 p.m. Basements improvements 0 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

What is the best approach to insulate the floor in a tiny home, built on a trailer?

...Roxul and technically called mineral wool) insulation is a good one. Here is a page to the best Tiny house we've seen, and it was insulated with Roxul batts, mo...

Posted by Dustin Hartwig May 28, 2020, 4:31 p.m. Tiny house 3 Responses

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

What is the best way to finish basement walls?

...roxul and drywall. Is this best approach given the rest of basement is done the old school way (incorrectly)? Thanks in advance your site is new to me and is a ...

Posted by Aram Scaram Jan. 21, 2021, 5:13 p.m. Basements improvements 3 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 insulate 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

What is the perfect wall assembly?

...roxul comfortboard [...but I assume this is the ''cavityrock'' product line as I cannot find 4'' comfortboard in the offering.] I appreciate that 2 courses were...

Posted by Paul Drouin Sept. 17, 2020, 6:29 a.m. Wall assemblies - new construction 1 Responses

Where does a vapour barrier go when building a shed in southern Ontario?

...roxul batts and the infamous 6 mil poly. The ceiling is R40 pink as I got a good deal, and figure if it cost the same as R24, may as well enjoy the ROI. I was g...

Posted by Charley Nelson Nov. 5, 2020, 10:09 a.m. Wall assemblies - new construction 1 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

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 penetrati...

Posted by Aarne Valikangas Jan. 1, 2021, 9:22 p.m. Basements improvements 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

What is the best way to insulate the exterior walls of an older home?

...Roxul) but there are other manufacturers as well now.

Posted by Geoff Kavanagh June 30, 2020, 4:01 p.m. Wall assemblies - renovation 1 Responses

Which type of exterior insulation to use on a house?

...Roxul or Rockwool). We like it for the very reasons you mention, that it isn’t harmed by moisture and it lets moisture pass right through it. Here is the page y...

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

How do you fix moisture problems in basement?

...Roxul on the 2x4s or is that overkill? Also if the closed cell gets moist would it just evaporate to the inside and would that create any mildew on drywall real...

Posted by John rodrigues Nov. 27, 2020, 8:50 a.m. Basements improvements 3 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