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Insulating walkout basement made of CMU Wall with a rockwool.

...Rockwool to avoid moist warm interior air condense on the rim joist behind Rockwool (between rim joist and Rockwool ) . I am planing on placing drywall on the w...

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

Are mice droppings and urine toxic?

...Rockwool would be a better alternative. Both are more suitable for potentially humid environments, and Rockwool in particular is made with recycled stone dust, ...

Posted by Anonymous Nov. 14, 2017, 4:49 p.m. Pest control 1 Responses

What is the best way to seal around windows

...rockwool and seal it with tape on the inside? Any suggestions will help. Hi Brian We have a page about How to Install Windows & Doors Correctly that include...

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

What is the best way to frame window openings when adding exterior insulation?

Building a new home (2x6); want to add 2-4" of rockwool on the outside; would like my windows to sit in the outside 1/3 of the frame; most of the windows are s...

Posted by Anwas Qwelten May 30, 2019, 8:16 p.m. Windows and doors 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

Basement reno - How do I effectively insulate my basement?

...Rockwool R14 +Drywall +moisture/vapour barrier laytex paint. Which EPS thickness should I go with? Concrete Slab: DMX aiflow dimple mats +(3/4" EPS, needed? )...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

What is the best insulation Under 2" Cement flat Roof?

...rockwool on top of the polyiso to keep it warmer so it performs as best as possible. As for how much to install, we have come to realize that for the most part,...

Posted by Rafael Mor March 29, 2019, 5:19 a.m. Roof assemblies - new construction 1 Responses

I have many issues with my house where should I start?

...Rockwool over? Or another product? Thanks. Bryan Hi Bryan Vermiculite can often be contaminated with Asbestos, so I assume that is the testing that you di...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses

What is the best method/order of insulating rim joists with EPS+batts?

...rockwool batt), and then drywall. Which one of these approaches should I use? 1) Sandwich multiple EPS pieces againt rim joists/cripple wall cavities and buil...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

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

...Rockwool (formerly Roxul) and Johns Manville. I would recommend you take advantage of the moment to install an exterior air barrier; it’s unlikely that the ho...

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

Using EPS in basement: Non-continuous

I’m insulating my basement with 2” of EPS against poured concrete foundation, then framing a 2x4 wall, then adding Rockwool. Unfortunately, due to some areas, ...

Posted by Steve J July 20, 2019, 10:01 p.m. Basements improvements 2 Responses

How to seal windows from exterior for water and air seal but not vapour seal?

...Rockwool to insulate the gap and tape for water, air and vapour barrier. I am concern that taping it outside might cause the vapour sandwich which I want to avo...

Posted by Piyush Prince Nov. 7, 2018, 12:10 a.m. Windows and doors 1 Responses

How to Insulate a 3 season cottage

...Rockwool or fiberglass) then a poly vapour barrier, maybe strapping, then drywall. Strapping isn’t absolutely necessary and it will eat up a bit more space. It ...

Posted by Terry Skindilias April 23, 2019, 9:27 a.m. Wall assemblies - renovation 3 Responses

What do you think of insulated T Studs in Canada?

...Rockwool rigid insulation boards (photo below). They were surprisingly easy to build, we just ripped the insulation panels on a table saw and just pressure fit ...

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

How do you seal up an old fireplace chimney?

...Rockwool is recommended) by compressing it and putting it into the opening, it will then expand slightly and fill the hole. Do this from the top and then cover ...

Posted by Anonymous Nov. 2, 2017, 10:06 a.m. Wood stove and biomass heat 3 Responses

Is it normal that condensation forms on the windows of my new home?

...rockwool and R3 panel insulation. The windows are double glazed wood and aluminum. I do not have an air exchanger yet, I’m wondering if that is part of the prob...

Posted by Anonymous April 19, 2017, 10:30 a.m. Ventilation 1 Responses

What is the best way to insulate a home from the outside?

...Rockwool (made of recycled stone dust), as it lets moisture pass through freely and isn’t harmed by it or even bulk water. EPS foam would be my second choice, t...

Posted by Anonymous Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

Why do you say building on a slab is more ecological than starting with a basement?

...rockwool, fiberglass, cellulose or even EPS foam will have a much lower environmental footprint than an insulated wall that uses concrete as the supporting wall...

Posted by Anonymous Dec. 11, 2017, 11:45 a.m. Foundations and Basements 1 Responses
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