"I have a similar cathedral ceiling. Unfortunately, it has pretty new shingles, as we re-roofed the house a couple years ago without my realizing that this presented an opportunity to improve the cathedral ceiling.
I got a quote from a local…"
Combustion Appliance Zone Testing (CAZ) Made Easy (March 24, 2016)
-Adapting to the new BPI standard
-RESNET testing requirements
-NFPA testing requirements
-Best practices for best results