1/2" Diameter Hardware Prep Filler (10 Pack)
- UL Certified Solution for Fire Doors When Either Removing Existing Hardware and/or Using a New Hardware Type Over Existing Hardware Prep’s
- Application Certified on Both Hollow Metal and Wood Fire-Rated Doors – up to 90-Minute
- Patent Pending
- Certified for Use in Combination With GapGuard™ Fire Caulk to Fill Thru-Holes Between 1/2" and 1" Diameter
- Requires Use of GapGuard™ Fire Caulk (sold separately)
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 ANSI/UL10B, complies with NFPA 80 and NFPA 252 for application to Hollow Metal and Wood fire doors rated up to 90 minute.