Search found 4 matches

by GeorgeKez
Tue Jan 22, 2019 4:37 pm
Forum: Interior
Topic: Vapor Barrier on Basement Walls
Replies: 16
Views: 414

Re: Vapor Barrier on Basement Walls

Don't know how I missed the 5 inch requirement. That certainly answers the 6ml poly barrier question! But seeing I own this stuff I am thinking that doubling up to 2 inches is a safer bet than just going with the one inch. That would give me a thermal break of R7.5 and less chance of condensation fo...
by GeorgeKez
Tue Jan 22, 2019 3:32 pm
Forum: Interior
Topic: Vapor Barrier on Basement Walls
Replies: 16
Views: 414

Re: Vapor Barrier on Basement Walls

Hi Shannon, I found the specs for recommendations on a vapour barrier. Admittedly this is hard for me to decipher. It looks like it says that you can get away with a vapour barrier if Durafoam is the sole insulation material used top to bottom of the wall. But if you use batts in the frame then you ...
by GeorgeKez
Tue Jan 22, 2019 1:24 pm
Forum: Interior
Topic: Vapor Barrier on Basement Walls
Replies: 16
Views: 414

Re: Vapor Barrier on Basement Walls

ok, thanks, I believe R20 is required code wise. Here is a link to the specs for durafoam. The folks at Home Depot said it would be considered a vapour barrier if properly taped and sealed but I will try to further validate that. George

https://www.plastifab.com/products/insu ... ofoam.html
by GeorgeKez
Tue Jan 22, 2019 12:40 pm
Forum: Interior
Topic: Vapor Barrier on Basement Walls
Replies: 16
Views: 414

Re: Vapor Barrier on Basement Walls

Hi Shannon, my first post. After reading your posts I am thinking that I should go with 2 inch rigid foam on the basement walls. I have already bought 1 inch Durafoam. Do you see any issues with me doubling up on the foam... aside from me doing double the work? I would stagger the seams, tape and fo...