8427 Thermal Break Saddle Threshold - 7-1/8" Wide x 1/2" High Length:36" Designed to attach to hollow

Designed to attach to hollow metal door frames that require wiring systems for electronic door hardware and access control devices

The Insulated Access Door provides access through openings in fire-rated walls and ceilings

For use in hospitals or other institutional type buildings

An external line conditioner regulating input voltages

8427 Thermal Break Saddle Threshold - 7-1/8" Wide x 1/2" High Length:36" Designed to attach to hollowNational Guard Products (NGP) 8427 Thermal Break Saddle Threshold, 1 2" H x 7 1 8" W Saddle thresholds are symmetrically shaped and designed to seal the area under a door while creating a more finished look for commercial applications. Aluminum alloy 6063, T5 temper 7 1 8" wide x 1 2" tall Fluted top Features a rigid thermoplastic spline creating a separation to prevent the transfer of outside temperature and frost through the threshold Typical wall