5 TIPS ABOUT RUBBER INSULATION YOU CAN USE TODAY

Joints of duct units shall be made substantially airtight by means of tapes, mastics, liquid sealants, gasketing or other authorised closure techniques. Closure methods utilised with rigid fibrous glass ducts shall comply with UL181A and shall be marked181A-P for tension-sensitive tape, 181A-M for mastic or 181 A-H for heat-delicate tape. Closure d