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NEW Sto Fireblocking Solution to Meet 2022 New York City Building Code

Sto Products

Sto Flexyl

Sto Flexyl is an acrylic-based, fiber-reinforced, flexible adhesive and waterproofing for use on prepared concrete, masonry, plaster, gypsum and cement sheathing surfaces. Combined with Portland cement, Sto Flexyl provides multiple functions, including: waterproof adhesive and base coat in StoTherm® ci wall systems, crack repair material as well as a foundation water-proofer.

Product number: 80235

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