GacoFlex NF621 Field Curing Neoprene Sheet is a specially formulated neoprene elastomeric material that cures in place to form a durable, watertight membrane with excellent resistance to naturally occurring ultra-violet light and ozone, temperature variations, weathering, and most chemicals.
Excellent for flashing and expansion joints on built-up or elastomeric roofing systems, decks and below grade or between slab waterproofing membranes. Appropriate for installation wherever the roofing or waterproofing membrane terminates at walls, parapets, curbs, expansion joints, penetrations, protrusions or where one roofing system ties in to another.
Excellent for flashing and Expansion joints.