www.roofingcontractor.com/articles/83744-flashing-cement-from-alcm

Flashing Cement from ALCM

October 13, 2000
Weatherproof® Neoprene Flashing Cement is a durable, super-elastic roof cement.

ALCM Inc., Cleveland, offers Weatherproof® Neoprene Flashing Cement, a durable, super-elastic roof cement that seals leaks and remains flexible at flashings, metal seams, fasteners, expansion joints, sign supports and vibrating rooftop equipment. It is available in black and white.