1-1/2" Diameter Hardware Prep Filler (10 Pack)
Product Features
- 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 Minutes
- Certified for Use in Combination With Gap Guard Fire Caulk to Fill Thru-Holes Between ½" Diameter and 2-1/8" Diameter
- Certified for Use in US and Canada
- Requires Use of GapGuard Fire Caulk (sold separately)
Standards

POSITIVE PRESSURE – CERTIFIED by UL to ANSI/UL10C, complies with IBC, NFPA 80 and NFPA 252 for application to Hollow Metal and Wood fire doors rated up to 90 minute.

CERTIFIED by UL to CAN/ULC-S104 and ANSI/UL10B, complies with NFPA 80 and NFPA 252 for application to Hollow Metal and Wood fire doors rated up to 90 minute.