Recent content by briancl

I did post over at GBA, and I got an interesting suggestion: Heat Pump. I had planned to use a gas furnace because the conventional wisdom says this is the most cost effective way to heat a garage. But with new high efficiency heat pumps coupled with my need for only 50F, the overall total...

http://www.insulfoam.com/images/stories/docs/ASHRAE_Minimum.pdf Zone 5. Great help so far guys. I will read some of this material you shared.

I have the architect blueprints (see first post), and I've talked with the builder, and they all agree on the fact that there is no insulation up there, just I joists. That said, I see that you suggest I put poly vapor barrier on the interior roof decking between the joists and then spray foam...

My garage has no soffit from which to install a vent. No overhang at all. All sides go from ground level to parapet over the roof. My understanding is that venting a flat roof in general can be difficult due to the difficulty in maintaining meaningful airflow. I live in the city of Chicago...

Thanks for the suggestion. I've actually come across spray foam recommendations in my research so far. How would that work for me? I'm guessing I need an air gap still to prevent moisture, right? How's this sound: Tear out ceiling drywall. Install weather wrapping 6" below interior roof...

I am buying a house with a detached 2car 20x20x11.5 garage that is finished with drywall on all interior sides. The interior measurements are 9'4' from floor to ceiling, so it looks like there's maybe 2 feet of something between my ceiling drywall and the unvented flat roof membrane (modified...