EXTREME 300 SERIES PERFORMANCE DOOR

We're excited to introduce our Extreme® 300 Series Performance Door. This high-speed, high-cycle door offers 300,000 maintenance-free cycles and the Apex SmartController - our first intelligent controller. And, its insulated model boasts an air leakage rating of less than 0.3 cfmft2 - meeting and exceeding ASHRAE 90.1 and IECC 2015 air leakage standards - making it the most energy efficient high cycle rolling door available today.