Rockwool / Discussions

Can you Insulate a cinder block basement foundation with 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

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

Can Rockwool be installed over Type II EPS?

...Rockwool Comfortboard 80 over the EPS? When insulating the exterior of a house whether that’s a new home or adding insulation to an existing exterior wall, it i...

Posted by Brian Bonnell March 30, 2020, 11:04 a.m. Wall assemblies - renovation 1 Responses

Halo Exterra rigid exterior insulation - has anyone work with it?

...Rockwool or 4 inches of Halo rigid insulation, I'd be less concerned that if you were only putting 1 inch of Halo. If you go with Rockwool then I imagine the ...

Posted by George Shannon Jan. 21, 2020, 3:39 p.m. Insulation and soundproofing 9 Responses

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

...Rockwool batts + Rockwool rigid board over the studs to provide a thermal barrier + Intello (or other) air/vapour barrier to allow breathing/drying + drywall (t...

Posted by Merner Row Design May 12, 2021, 12:22 p.m. Roof assemblies - renovation 0 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

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

...Rockwool comfort 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...

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

Which exterior insulation is best to create at thermal break in an bungalow in Alberta?

...rockwool or foam board and new siding. We need a cost effective solution to create a thermal and air barrier on our 1970s raised bungalow. We have a fully ins...

Posted by Rebekah Barnes Jan. 17, 2020, 10:07 p.m. Wall assemblies - renovation 1 Responses

What are the best Wall and Roof insulation choices and rain screen?

...rockwool (hard to get contractor out of convenient and familiar choice) and on exterior will be covered in WRB by Adhero . I'm still struggling with rainscreen ...

Posted by Valeriy Kraydman March 15, 2021, 3:32 p.m. Exterior cladding 0 Responses

Followup to the question How do you install Larsen Trusses on a home in Minneapolis?

...Rockwool Comfort Board 80 option too. Would it work to use a self adhering WRB, on the sheathing and then insulate with 8" of Rockwool Board or is there too muc...

Posted by Ken Traefald Feb. 27, 2020, 1:49 p.m. Wall assemblies - renovation 1 Responses

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

...Rockwool insulation will hold up fine over time as it is a mineral wool (stone dust). At the time we encouraged Roxul (Rockwool) to pursue the sub-slab market, ...

Posted by Jay Law April 19, 2021, 3:09 p.m. Slab on Grade 1 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 Kevin Newman April 19, 2017, 10:30 a.m. Windows and doors 1 Responses

What do I in my basement where new insulation meets old?

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

Have you excavated under one of your slabs middle of winter?

...rockwool, but build wooden floors over drained gravel, rockwool, and vapor barrier. But I'm reluctant, because I think the chance of heave is still high and I w...

Posted by Mike Kolder Jan. 31, 2021, 2:31 p.m. Slab on Grade 1 Responses

What type of insulation under an outdoor deck frame with 2x8s?

I have a 11x17 feet 3 season gazebo fully enclose on a deck. Sitting on deck board and finish the inside with LVT. I want to insulate the floor. Though of Rock...

Posted by Eric Dalpe Sept. 15, 2020, 9:13 a.m. Wall assemblies - renovation 4 Responses

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

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

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

How do you seal windows from the exterior for water and air but not create a vapor seal?

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

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

What is the best way to insulate rim joists with EPS and 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