UL certified solutions for fire doors with excessive clearance between door and frame over 1/8”, up to 5/16” and excessive door bottom clearances up to 1-1/2”.
UL tested and certified on UL10B & UL10C 20 minute rated wood or hollow metal fire doors. NGP-Edge Seal Intumescent Perimeter Seal 9200 or 9200DKB allows doors with excessive gaps at perimeter up to 5/16” to pass the 20 minute fire test including the hose stream.
NGP-Edge Intumescent Door Shoes 9250 series allows doors with excessive door bottom clearances up to 1-1/2” to pass the 20 minute fire test including the hose stream.
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