28 Jul '13, 2pm

Attaching extra fiberglass to 2x4 attic wall? #green

Simple question How do I support extra batts on an attic knee wall? My attic has knee walls next to a bedroom, and I want to add 6" fiberglass insulation on top of 4" existing fiberglass between the 2x4 studs. On a hot day the interior wall temperature was 110 degrees! Is stapling the facing to the studs adequate? Do the batts need wire supports, and would I be able to bend 24" OC wires to bow out to fit between 16" OC studs? similar to Lowe's insulation supports? Other DIY support methods? Would you put rigid insulation on the back of the hatches leading into the crawlspaces? I live in a dry zone so vapor issues are not a problem.

Full article: http://www.greenbuildingadvisor.com/community/forum/green...

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