625A Thermal Break Threshold - 5" Wide x 1/2" High - Aluminum Mill Finish

Zero 625A Thermal Break Threshold ZERO thresholds feature top-quality materials and construction, designed to stand up to the demands of heavy traffic applications as well as those with extreme temperature differentials. The heavy-gauge material allows you to drill and screw our thresholds directly into concrete without the difficulties common when using lighter commercial materials, such as buckling under heavy loads or loose screws. Specially designed to prevent the transfer of outside temperature and frost to the interior side of the door Extruded from the 6063 alloy with hardness of T5 or T6 Claw Grip Edges ANSI J32139