Do any of you have experience with owens-corning’s Thermafiber mineral blowing wool Insul-Fill.  I want to use a blown in mineral wool but could not get a hold of granulated… Do any of you have experience with owens-corning’s Thermafiber mineral blowing wool Insul-Fill.  I want to use a blown in mineral wool but could not get a hold of granulated…Read MoreGreenBuildingAdvisor

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