Stone coated steel roof / insulation or air space?

Guest User
I am replacing a shake roof with stone coated steel. Manufacturers such as Decra/Gerard do not have data whether or not using 1 1/2" fiberglass insulation or radiant barrier will provide increased effectiveness over leaving the batton system air space open. I have a large attic used for storage and wish to minimize the heat temperature as much as possible. Do you have any data or recommendations on which solution is best? Thanks.
Todd Miller
Isaiah Industries, Inc.
I would vent the batten area -- intake air at bottom and a ridge vent detail. That is very effective. If you wish to throw a radiant barrier into the mix, that would help even more.
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