Can you guys help,
I have a addition 22 by 22 with vaulted ceiling. I used scissors trusses for the roof. The top cord is a 6 and the bottom is a 5. Couple questions: 1st, Buddy of mine works for an insulation outfit and they have a company that wants them to use there product which is a open cell foam spray.(they will do my job for free just to demonstrate). Seems great, Right? Is open cell ok to use other than closed cell?
2nd, Will I need a ridgevent or not?
3nd, planned on using 15lb felt on walls, should I kick it up to tyvek?
Thanks guys, Lou
Replies
one)
Sure, go for it
two)
no
three)
under what kind of siding?
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