NGP (National Guard) GAPGUARD HP-90 Hardware Prep Fillers, 10 Pack

Usually Ships: 3-5 Business Days

Fill thru-holes between 1/2″ diameter and 2″ diameter
UL certified on hollow metal and wood fire-rated doors
4 sizes, sold in packs of 10ea.

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NGP GAPGUARD™ HP-90 Hardware Prep Fillers

UL Certified Solution for Fire Doors When Either Removing Existing Hardware and/or Using a New Hardware Type Over Existing Hardware Preps

Application Certified on Both Hollow Metal and Wood Fire-Rated Doors – up to 90-Minute
Patent Pending
Certified for Use in Combination With Gap Guard™ Fire Caulk to Fill Thru-Holes Between 1/2″ Diameter and 2 1/8″ Diameter
GapGuard™ Fire Caulk (Sold Separately, See Installation Instructions)

HP90 – 0.5 – 1/2″ diameter hardware prep filler (10 Pack)
HP90 – 1.0 – 1″ diameter hardware prep filler (10 Pack)
HP90 – 1.5 – 1-1/2″ diameter hardware prep filler (10 Pack)
HP90 – 2.0 – 2″ diameter hardware prep filler (10 Pack)

SPECIAL NOTES: 90-minute rated UL Certified Miscellaneous Fire Door Accessory on UL10B and UL10C wood or hollow metal fire doors.