Cathedral Ceilings, Attics & Roofs with Spray Foam Insulation | 1 of 4

This is the first installment of a 4 part series on roofs.
This video will cover "to vent or not to vent"
Gravity issues with batts and blow in
Venting reason and air flow of passive systems
Code allowance for venting
Fit and logistics inside of trusses and stick frame construction
Review of CMHC Hot Roof system and the way we can invert this with SPF
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