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- Automatic Door Bottom
- Mount: Mortised
- Regular Duty
- Insert: Solid Neoprene Extrusion - self-extinguishing, under MIL R6855 Type II Class 40 oil resistant
- Finish: Clear Anodized Aluminum
- Maximum effective drop: 3/4"
- Fire Rated
- BHMA Certified
- ANSI/BHMA: R3B3241
- Supplied with screws and end caps
- ZERO’s patented automatic door bottom technology ensures a tight seal against the floor or saddle. As the door is closed, an adjustable "plunger" is compressed against the door frame, activating a concealed flat spring mechanism. This mechanism drops the seal smoothly from the housing in a scissor-like motion as illustrated below. The door seal compresses tightly even on uneven surfaces and retracts automatically when the door is opened.
- All ZERO automatic door bottoms function the same way. The concealed spring mechanism causes the insert seal to activate on the hinge side first. It prevents the seal from dragging along the floor or threshold while the door is being closed to avoid door hang-up or closing delay.
- Lengths up to 90" are availabel as engineered specials.
- Brand:
- Zero International
- Commercial/Residential:
- Commercial
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Door Bottom Sweeps and Door Shoes
- Product Type:
- Door Bottom