J & S Supply is a prominent distributor of Karnak 19 Flashing Cement and Ultra Rubberized Flashing Cement serving New York, NYC, Brooklyn, Queens, Long Island, Westchester, New Jersey, and Connecticut. Karnak 19 Flashing Cement and Ultra Rubberized Flashing Cement are available in 5 gallon pails, 3 gallon buckets and 1 gallon cans.

Karnak 19 Flashing Cement is a scientifically compounded composition of selected asphalts, mineral fibers, and refined solvents that are manufactured to a heavy consistency for application by trowel. It provides a durable, elastic coating of excellent adhesion and high resistance to water and weathering. Karnak 19 Flashing Cement dries to a tough, flexible, waterproof and corrosion proof coating which gives excellent performance over wide ranges of temperature and weather conditions.

Karnak 19 Ultra Flashing Cement is a next generation asbestos-free elastomeric flashing cement. Scientifically compounded with a selection of rubber reinforced asphalt, mineral fibers, and refined solvents. Karnak 19 Ultra is manufactured to a heavy pliable consistency for ease of application by trowel. Ultra provides a durable elastomeric coating of greater strength, excellent adhesion and high resistance to water and weathering.

Karnak Flashing Cement and Ultra Rubberized Flashing Cement
Flashing Cement Data Sheet
Ultra Data Sheet

Our prime location in Long Island City is close to every major thoroughfare in the Metropolitan New York, New Jersey, and Connecticut area, ensuring our fleet of specialized equipment can deliver fast.

TWO CONVENIENT LOCATIONS AT YOUR SERVICE. 

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