Cal-Royal ADB-705 Automatic Door Bottom, Regular Duty Mortised Application with Vinyl Seal
The Cal-Royal ADB-705 is a Regular Duty automatic door bottom engineered for mortised applications, featuring a durable extruded aluminum body combined with a resilient vinyl seal. This automatic door bottom measures 1 '' wide (34.9mm), 1" in height (25.4mm), with a maximum drop of ½" (12.7mm), delivering an efficient seal that blocks out air, smoke, sound, and fire at the base of the door. Non-handed and fully reversible for left or right hand installation, the ADB-705 is suitable for wood or hollow metal doors and is built for dependable performance in commercial environments.
Key Features
- Compact Mortised Profile: Width of 1 '' (34.9mm) and height of 1" (25.4mm) allow for a clean, mortised installation into the door bottom.
- Maximum Drop Distance: ½" (12.7mm) maximum drop ensures reliable contact with the threshold or floor for a consistent seal.
- Durable Construction: Made from extruded aluminum combined with a vinyl seal for long-term durability and effective sealing performance.
- Multi-Purpose Sealing: Provides an efficient seal that blocks out air, smoke, sound, and fire at the door bottom.
- Non-Handed Design: Reversible construction allows installation on either left-hand or right-hand doors without special ordering.
- Broad Door Compatibility: Can be installed on either wood or hollow metal doors, offering flexibility across various door types.
- Low Closing Force with Adjustment: Slotted holes allow for adjustment, and the low closing force design supports smooth, easy door operation.
- Installation Guidance: Maximum cut should not be closer to 1 ½" from the set screw, per manufacturer specifications.
Technical Specifications
- Subcategory: Thresholds
- Product Group: Door Trim and Accessories
- Product Subgroup: Door Bottom Sweeps and Door Shoes
- Commercial/Residential: Commercial
- Product Category: Door Trim and Accessories
- Department: Door Hardware
Typical Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Cal-Royal ADB-705?
Cal-Royal door bottom products deliver dependable, professional-grade sealing performance built from durable extruded aluminum and resilient vinyl seal materials. The ADB-705's non-handed, reversible design and adjustable slotted holes make it a practical, versatile choice for commercial door sealing applications where consistent air, smoke, sound, and fire sealing performance is essential.
Manufacturer Resources
Product Specs
- Subcategory:
- Thresholds
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Door Bottom Sweeps and Door Shoes
- Product Type:
- Automatic Door Bottoms
- Commercial/Residential:
- Commercial
- Product Model:
- ADB-705
- Product Category:
- Door Trim and Accessories
- Department:
- Door Hardware