THE SINGLE BEST STRATEGY TO USE FOR ALUMINIUM FOIL INSULATION

Joints of duct devices shall be built significantly airtight by the use of tapes, mastics, liquid sealants, gasketing or other approved closure devices. Closure programs applied with rigid fibrous glass ducts shall comply with UL181A and shall be marked181A-P for pressure-delicate tape, 181A-M for mastic or 181 A-H for warmth-sensitive tape. Closur