Firestop 3500si spray material
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Description
3500SI is a latex-based, intumescent spray design to stop the passage of fire, smoke and fumes through the fire-rated seperations. 3500SI spray forms a durable and flexible seal after curing.
3500SI spray has been tested for various types of firestop installations and meets or exceeds the requirements of ASTM E814, ASTM E119, UL1479, UL2079, and ULC S115. It has also been tested and meets the classifications for less than 25 flame spread and less than 50 smoke development (NFPA Class "A", Building Code Class "1", ASTM E84).
3500SI spray has been tested for various types of firestop installations and meets or exceeds the requirements of ASTM E814, ASTM E119, UL1479, UL2079, and ULC S115. It has also been tested and meets the classifications for less than 25 flame spread and less than 50 smoke development (NFPA Class "A", Building Code Class "1", ASTM E84).
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Firestop 3500si spray material
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