Rolled Mastic Sealant

Heat and cold cycles used over throughout the year will cause any material to expand and contract.

Rolled mastic sealant.

3 32 x 3 4 tape mastic is used for multiple sheet end lapping on roofs with slopes of 2 12 or less. Mastic sealants help provide a weatherproof seal and stop water from siphoning between sheets. Rolled sealant is a hardcast duct sealant just like the ds321 the ccw181 and even the 404 solvent based sure grip all of which come in a bucket one gallon of liquid duct sealant has a coverage of about 320 linear feet using a 3 wide application and a rolled mastic is of course 100 ft of coverage. Foil grip 1402 is a pressure sensitive 40 year cycle duct joint and general purpose rolled mastic sealant.

Hardcast rolled mastic duct sealant foils. The foil grip 1402 has a ul classification and meets nfpa 90 a and 90 b. Hvac ducting is no different. To read pdf files you need the adobe acrobat reader 6 0 or higher.

Over time the connections seams and splits can warp separate or. Nashua foil mastic sealant tape seals and seams low medium and high pressure sheet metal duct systems and ul listed flexible non metallic ducts. Foil grip 1402 is suitable for sub grade application on pvc coated duct and is. The foil grip 1403 181 bfx is listed by ul underwriters laboratory having a ul 181 b fx.

It provides an instant water resistant grip to most surfaces including sheet metal duct board flex duct pvc coated duct and duct wrap vapor barriers. Aggressive butyl rubber adhesive provides a permanent air and water tight seal. Ul 181b listed 25 to 295 f check price. Why hvac technicians use tapes sealants.