Atticat expanding blown-in insulation
we are considering using blown fibreglass for the attic insulation in our r2000 project. the small village where our project is located has tje atticat system. another town 1.5 hours away has the blown cellulose system. basically, for the price of 24" deep cellulose we could get 36" of fibreglass. from what i have read on the gba, i would guess the majority of the gba folk prefer cellulose over fibreglass. i'm tempted to go with the fibreglass...opinions? is 36" too thick for fibreglass?...thanks again! p.s., the attic floor is 5/8" t+g osb and is flat. an energy heel allows minimum r40 above the walls.
Posted Mon, 01/28/2013 - 19:02
Edited Mon, 01/28/2013 - 19:36
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Since drywall has a permeance of 0.02 liter/sec - m at 75 PA is ever possible to have sheathing dry to the interior of the home?