CR 3700 Series Commercial Door Threshold, this is a standard commercial threshold. It is made to work in conjunction with caulk under and a commercial sweep screwed to the door in order to create a seal.
Size: 1/4″ X 7″ ALUM
$47.20 – $125.55
CR 3700 Series Commercial Door Threshold
Thresholds and Dripedges
NGP 425E Size: 1/2" X 5" ALUM