THE BEST SIDE OF ALUMINIUM FOIL INSULATION

Joints of duct programs shall be created significantly airtight through tapes, mastics, liquid sealants, gasketing or other authorised closure systems. Closure devices utilised with rigid fibrous glass ducts shall adjust to UL181A and shall be marked181A-P for force-sensitive tape, 181A-M for mastic or 181 A-H for warmth-sensitive tape. Closure uni