JELOSTONE Commercial Automatic Door Bottom, 36'' & 42'' L, Aluminum Automatic Door Bottom, Surface Applied or Semi-Mortise, with Neoprene Insert, JS-4131RL Size:42'' High-Temperature & Weather-Resistant:

High-Temperature & Weather-Resistant:

wrought steel arm

or industrial applications

DURABLE HIGH-IMPACT PVC MATERIAL:

JELOSTONE Commercial Automatic Door Bottom, 36'' & 42'' L, Aluminum Automatic Door Bottom, Surface Applied or Semi-Mortise, with Neoprene Insert, JS-4131RL Size:42'' High-Temperature & Weather-Resistant:Drop Bar Seal Actuation: When the plunger contacts the jamb, the drop bar seal actuates from the hinge side first. This allows for multiple compression points, which helps in maintaining a tight seal between the door and the floor. This feature ensures that the door closes smoothly and tightly, preventing drafts and unwanted elements from entering the room. Low Closing Force: The plunger requires a low closing force to actuate the drop bar seal. This