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"Attic insulation"

Attic insulation / Discussions

Why do I see conflicting information on vapour barriers?

...attic insulation. Located in Calgary. Right now there is cellulose almost up to the joists, and under that is a paper backed (both sides) layer of old fiberglas...

Posted by Trevor Karbashewski April 25, 2023 Air and vapour barriers 1 response

Do you need a vapor barrier between the attic and living space?

...attic and living space. Thinking permeable is better but I'm hearing differently. Where and when to use vapor barriers in construction and renovation can vary d...

Posted by Jim Williams April 25, 2023 Air and vapour barriers 3 responses

Why is there condensation behind my vapor barrier?

...insulation with a plastic vapor barrier and then drywall today while putting up drywall noticed that the vapor barrier is covered with condensation how do I sto...

Posted by John Young Oct. 11, 2021 Wall assemblies - new construction 1 response

How do you insulate a cathedral ceiling?

...insulation.  My walls are double 2x4 stud walls 12 inches deep and will have 2-3 inches of closed cell spray foam insulation to create a air and vapour barrier ...

Posted by Raoul Lions Oct. 19, 2019 Roof assemblies - new construction 1 response

Can you put hemp insulation in an attic?

...attic, I have a radiant barrier on the attic ceiling and floor. I am removing the cellulose, but what non toxic insulation can I use with the radient barrier?  ...

Posted by Pamella Weatherly-Phillips Aug. 16, 2019 Roof assemblies - renovation 1 response

How do I stop a leak from my attic?

...attic edges, seal house-to-attic penetrations like the bathroom vent, and wiring, insulate the bathroom vent.   Any thoughts?  Frost  buildup in an attic is a r...

Posted by Markus Duess Feb. 11, 2019 Roof assemblies - renovation 1 response

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