WRB / Discussions

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

...WRB sheathings we like, but we become a bit more concerned when panels have integrated insulation though. I did have a quick look at the Barricade Thermo-Brace ...

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

What is the best material to use on top of plywood for water proofing?

...WRB, Rigid Foam, Delta Dry etc. For help choosing a weather barrier for the exterior of a home see here – Choosing a house wrap, which is best? In our 2015 ...

Posted by Babak K July 27, 2020, 12:22 a.m. Air and vapour barriers 3 Responses

Can Rockwool be installed over Type II EPS?

...WRB on the plywood. Since I have the EPS will I create any problems if I re-install it and add 1 1/2" Rockwool Comfortboard 80 over the EPS? When insulating the...

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

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

...WRB, on the sheathing and then insulate with 8" of Rockwool Board or is there too much potential of condensation in the Rockwool in a house like mine? I foun...

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

Is the ZIP sheathing system good or bad for water control?

...WRB (weather resistive membrane), which is basically a mesh that is attached to an OSB sheathing panel with a paint applied. So it is an all in one product acti...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 5 Responses

Can I spray foam insulate from the outside?

I bought an old timer home on Gibsons, BC and the siding needs replacing. I want to use the opportunity to seal up and insulate the wall cavity once exposed. I...

Posted by Kurt Klischuk June 6, 2019, 8:56 a.m. Wall assemblies - renovation 3 Responses

How do you re-do the insulation on a old cabin from the outside?

...WRB) then exterior siding. We don’t usually recommend spray foam, but for a small cabin from the outside it may be the best solution. If that isn’t an option (m...

Posted by Raphael Couture Sept. 14, 2020, 8 a.m. Wall assemblies - renovation 3 Responses

Can you spray foam a house from the outside?

I live in Calgary, Alberta. My house is a 1940s bungalow with a second storey added in 1988. We are replacing the vinyl siding with Hardie Board, and want to i...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

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

...WRB/Tyvek housewrap and strapped or if i used a XPS like Dow Cladmate would a WRB still be required do you think? Am i on the right track? Thanks Scott You'...

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

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

My house was built in the Late 1940 - early 1950's, it is a farm buglalow with an addition in 1973, a poured concrete basement and concrete block foundation ad...

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

What is your experience and thoughts on pre-fab wall assemblies?

...WRB membrane . And yes, there are some pre built homes that are much better in our opinion, that are manufactured in Ontario and Quebec. We can help you choos...

Posted by Shaun B Nov. 12, 2019, 4:16 p.m. Wall assemblies - new construction 2 Responses

Can I add Larsen Trusses and cellulose to 1920s House in Minneapolis?

...WRB is $239 per 400 sq. ft and has a perm rating of 33; while Grace Vycor en V-S WRB is $300 per 480 sq. ft and has a perm rating of 15. I can special order R...

Posted by Ken Traefald Feb. 17, 2020, 2:30 p.m. Wall assemblies - renovation 3 Responses

Which house wrap is best?

I am installing pine tongue and groove exterior siding. Which type of house wrap is best, perforated or non perforated (like Tyvek). Thank you Every exterior w...

Posted by Kathy Moller Aug. 2, 2020, 11:50 a.m. Air and vapour barriers 1 Responses