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Thanks Bill

Bill, thanks, and sorry for your loss. I am located in Denver, where the other day temps were 100 and the inside temp in garage was 119. No metal purlins in construction. 1929 flat roof with PVC, ply over original 1 x 8 planks. In order to provide a larger air gap between the insulation and...

bill conner, Yes a little late for the rigid foam. I don't have any plans to add any venting. Pretty large gaps at the walls, so it will not be air sealed. I want to DIY this project, so going with bats of faced R30. You think this may still be a problem for moisture build up? Thanks

These joists are 2x10

R30

Hi all, First time poster. I have a 1929 vintage brick dethatched, and unheated garage, with a nearly flat roof. I want to reduce the heat level in the summer, and I’m wondering if insulating the rafters would make any real significant difference in the Denver, CO area? Should I use faced...