Mechanical
A manual door closer stores the energy used in the opening of the door in a compression or torsion spring and releases it to close the door. Some closers allow for adjustment of the strength of the spring, making it easier or more difficult to push the door open.
-
Dorma BTS80/L 3/4" Offset Package Floor Closer
The BTS80 Series of floor-concealed door closers offer adaptability to almost any installation. The closer's compact body permits its use where a larger closer would be prohibitive. Versatility allows installation in thin slab concrete subfloor construction. Learn More$932.63 -
Dorma BTS80/IF Independent Hung Fire Door Package Floor Closer
The BTS80 Series of floor-concealed door closers offer adaptability to almost any installation. The closer's compact body permits its use where a larger closer would be prohibitive. Versatility allows installation in thin slab concrete subfloor construction. Learn More$828.53 -
Dorma BTS80/H Center Hung Package Floor Closer
The BTS80 Series of floor-concealed door closers offer adaptability to almost any installation. The closer's compact body permits its use where a larger closer would be prohibitive. Versatility allows installation in thin slab concrete subfloor construction. Learn More$695.75 -
Dorma BTS80/G Center Hung Package Floor Closer
The BTS80 Series of floor-concealed door closers offer adaptability to almost any installation. The closer's compact body permits its use where a larger closer would be prohibitive. Versatility allows installation in thin slab concrete subfloor construction. Learn More$709.50 -
Dorma BTS80/F 3/4" Offset Package Floor Closer
The BTS80 Series of floor-concealed door closers offer adaptability to almost any installation. The closer's compact body permits its use where a larger closer would be prohibitive. Versatility allows installation in thin slab concrete subfloor construction. Learn More$833.53 -
Dorma BTS80/E 3/4" Offset Package Floor Closer
The BTS80 Series of floor-concealed door closers offer adaptability to almost any installation. The closer's compact body permits its use where a larger closer would be prohibitive. Versatility allows installation in thin slab concrete subfloor construction. Learn More$729.94 -
Dorma BTS80/D 3/4" Offset Package Floor Closer
The BTS80 Series of floor-concealed door closers offer adaptability to almost any installation. The closer's compact body permits its use where a larger closer would be prohibitive. Versatility allows installation in thin slab concrete subfloor construction. Learn More$734.80
