Product Overview
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.
Brand |
NGP (National Guard) |
---|---|
Part No. |
HP90 - 1.5HP90 - 1.0HP90 - 2.0HP90 - 0.5 |

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