- Use a door bottom shoe or door bottom sweep in conjunction with these threshold options to effectively seal out the elements.
Fire Rated - UL10C - Positive Pressure
Underwriters Laboratory 4L10
GREENGUARD Gold Certified
219A: A - Mill Finish Aluminum Aluminum
219D: D - Dark Bronze Anodized Aluminum
219SN: SN - Satin Nickel Anodized Aluminum