J & S Supply is a large distributor of APOC 128 SBS Rubberized Flashing Cement serving New York, NYC, Brooklyn, Queens, Long Island, Westchester, New Jersey, and Connecticut. APOC 128 SBS Rubberized Flashing Cement is available in 1 gallon, 3 gallon, or 5 gallon pails.

APOC 128 SBS Rubberized Flashing Cement is a professional grade roof cement that provides superior adhesion to vertical surfaces. It will not run or sag. APOC 128 SBS Rubberized Flashing Cement is manufactured with select asphalt, solvent and extra long fibers to provide a durable patching compound. It is excellent for setting and repairing flashing, gutters, sills, lintels, copings, chimneys, skylights, seams, expansion joints and all types of roofing and siding repairs. 128 SBS Rubberized Flashing Cement is also an excellent utility mastic for use below grade in heavy duty foundation water-proofing and damp-proofing.

APOC 128 SBS Rubberized Flashing Cement is for exterior use only. Protective clothing and eyewear should be used during application of this product. Apply with a trowel or putty knife. Work material to an even consistency over and into the area to be repaired. Apply 1/8″ to 1/4” thick, two to three inches beyond the problem area. For cracks or holes 1/4” to 3/4” wide, press a strip of APOC Glass Fabric into the cement and cover with an additional layer of roof cement. Form a cant with the cement around chimneys and other roof projections. Coverage rate is approximately 12 1/2 sq. ft. when applied 1/8” thick.

APOC 128 SBS Rubberized Flashing Cement
Product 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.


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