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Fire Resistant Expanding PU foam. A high performance, polyurethane expanding foam, fire rated and tested to BSEN 1366-4 and BS476 Part 20 (the most stringent test for fire rated products).
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Kraken Bond Extreme Fire Block Foam Sealant - Professional Fire-Retardant Orange Polyurethane Foam Spray for Insulation, Sealing, and Bonding on Windows, Walls, and Joints | 24 Oz. | 2 Pack: Amazon.com: Industrial & Scientific
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GREAT STUFF 16 oz. Fireblock Insulating Spray Foam Sealant with Quick Stop Straw 99053992 - The Home Depot
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2 Hour Rated Expanding Foam Systems | 2 Hour UL, abesco fp200, fire rated, fire rated expanding foam, fire rated foam, fire rated penetrations, firerated foam, firestop foam, Fp200, FP200 FR
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Wholesale OEM best selling B2 Fire Rated PU Expandable Foam Gun Type Manufacturers & Suppliers - GNS
![Kraken Bond Extreme Fire Block Foam Sealant - Professional Fire-Retardant Orange Polyurethane Foam Spray for Insulation, Sealing, and Bonding on Windows, Walls, and Joints | 24 Oz. | 1 Pack: Amazon.com: Industrial & Scientific Kraken Bond Extreme Fire Block Foam Sealant - Professional Fire-Retardant Orange Polyurethane Foam Spray for Insulation, Sealing, and Bonding on Windows, Walls, and Joints | 24 Oz. | 1 Pack: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61N6Akvp8FL._AC_UF894,1000_QL80_.jpg)