Vapour barrier / Discussions

Should I remove the plastic sheet in my cellar?

...vapour layer in front of the insulation, I'm wondering whether we need to replace / repair the plastic sheet, which we also cut at 1m in order to get behind it....

Posted by Justin D'Arcy Dec. 4, 2020, 12:13 p.m. Basements improvements 2 Responses

How do insulate the outside of a log home?

...barrier . Covering the Rockwool boards with a house wrap and then attaching it with strapping may lead to more holes. I would suggest you apply an air barrier...

Posted by Michael Hickey Aug. 2, 2018, 6:03 p.m. Wall assemblies - renovation 1 Responses

How do you prevent mold in a finished basement?

...barrier. The scariest part is that our house was only built in 2007! Now we've managed to strip all this smelly mess out, we tried to get quotes off contracto...

Posted by Brian Cole Nov. 22, 2019, 10:22 a.m. Basements improvements 1 Responses

How well do Legalett slab on grades work?

We are planning a build for June 2020 in Prince Edward County, Ontario where there is 1 ft of topsoil, 2 ft of clay and then bedrock. Structure planned is a bu...

Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 1 Responses

What is the right amount of insulation for a house?

...barrier and vapour control layer. If you do go for modelling then that company or person should be well-versed in building science. Here are a few links that ...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

How you vent a metal roof?

...barrier or vapor barrier. What is recommended at this stage of the install of the roofing assemby? Air or Vapor barrier? install two layers of 1 -1/2 inch...

Posted by Kim jarrett July 12, 2019, 12:15 p.m. Roof coverings 3 Responses

How to air seal & ventilate a partial gut reno of a 1901 house?

...barrier throughout the underside of the roof and inboard of the old sheathing in all the walls where we've gone down to the studs. On the 2nd floor, we will be ...

Posted by Zach Zill Feb. 7, 2021, 4:33 p.m. Air and vapour barriers 0 Responses

For home renovation, is it better to install insulation on the inside or outside?

...vapour barrier as well as an air barrier, so it’s a nice all in one solution, though we would recommend you source one of the brands that have moved to lower GW...

Posted by Neil Richardson Jan. 29, 2019, 4:09 p.m. Wall assemblies - renovation 1 Responses

Should I insulate my basement ceiling?

My bungalow is around Toronto, and is a little over 100 years old with block walls in the basement. we recently learned our basement wasnt insulated properly, ...

Posted by Nina Hartt March 21, 2019, 8:23 a.m. Basements improvements 1 Responses

How do you insulate a cottage crawlspace? It's in the Haliburton Highlands

...vapour barrier to the ground below so moisture doesn’t evaporate into the crawlspace and then the house. Once you’ve had a look at our crawlspace guide pages yo...

Posted by Beata Domanska May 25, 2020, 11:38 a.m. Crawl spaces 1 Responses

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

...vapour barrier and strapping and Pine. Does that make any sense? And can you spare any space on the interior? Hi Mike, thanks for the reply. This is a 3 season ...

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

What is the best way to insulate a Multi-material wall?

...vapour barrier at about 2 inches thick, and that is fine to put directly against the cold foundation wall. The most important thing in a basement is not to sand...

Posted by Steve J Sept. 29, 2020, 10:15 a.m. Wall assemblies - renovation 7 Responses

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

...vapour methods and insulation types? (Old Poly vapour sheet and fibreglass insulation vs new Rockwool and EPS) How do address the areas where the EPS is adjac...

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