Insulation, Radiant and Vapor Barriers - Insulating bonus room above garage
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diamand
09-02-09, 01:58 PM
We have a bonus room over the garage that is very cold in the winter/hot in summer. It has duct work for HVAC, but needs to be hooked up to the furnace. I plan on finishing this space and want to insulate it.
My plan was to insulate it using rigid insulation and put a 1" spacer against the roof and the rigid insulation so there would be air flow to the roof vent. After the rigid insulation is in place, I would insulate the remainder with regular pink fiberglass insulation with the kraft towards the warm side. The rafter space is about 6". I live in PA. Please see crude picture drawing of what I had in mind:
http://farm4.static.flickr.com/3467/3881553447_489d882488_o.jpg
Additional pictures of the space for reference
http://farm3.static.flickr.com/2453/3881553375_b901a38eda_o.jpg
Since this space can get so cold or hot, I want to insulate it as best as possible. Do you think what I have in mind would be a good idea? If not any other suggestions?
My plan was to insulate it using rigid insulation and put a 1" spacer against the roof and the rigid insulation so there would be air flow to the roof vent. After the rigid insulation is in place, I would insulate the remainder with regular pink fiberglass insulation with the kraft towards the warm side. The rafter space is about 6". I live in PA. Please see crude picture drawing of what I had in mind:
http://farm4.static.flickr.com/3467/3881553447_489d882488_o.jpg
Additional pictures of the space for reference
http://farm3.static.flickr.com/2453/3881553375_b901a38eda_o.jpg
Since this space can get so cold or hot, I want to insulate it as best as possible. Do you think what I have in mind would be a good idea? If not any other suggestions?