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Domestic/Commercial Office Roller Shutters |
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The increasing need for security has led to an expansion in the market and the development of shutters that are both secure and attractive on residential and commercial properties. They generally have a smaller width profile than shop front or industrial shutters. As well as being a deterrent to entry, they also insulate against nocturnal radiation and thus have a significant benefit in heat retention in winter. Special lath sections are available that are foam filled to improve insulation.
Types and operation
- Built-on - describes the type where the roller shutter box is fixed to the exterior of the building facade.
- Built-in - where the roller shutter box is built into the lintel above the window.
- Integrated roller shutter - a roller shutter and window combined as a single unit.
- Roller shutter with tilting laths - a roller shutter with laths that tilt, similar to an external venetian blind.
- Manual - with gear drive from the shutter roller traced through the building facade to a universal joint on the room side that is operated by a cranked winding handle.
- Manual tape - a tape drive around a flange on the roller is traced through the building facade with pulley guides to an inertia reel on the room side.
- Electric - with a tubular motor fitted within the roller. Automatic operation is available. External or internal main entrance shutter should have motors with a manual emergency over-ride.
Components - Lath – aluminium, double-walled, extruded for additional strength or double-skinned, roll formed & foam filled or PVC extrusion, single or multi wall.
- Roller (or roller tube) – usually steel hexagonal tube supported at either end, by end bearing brackets.
- Shutter box – roll formed aluminium, with bevel edge, designed to protect the roller assembly.
- Guide rail – extruded aluminium to retain the shutter curtain. With PVC or brush inserts to reduce rattle and protect the shutter laths.
- Bottom lath – extruded aluminium or PVC to match the lath. Rubber or PVC inserts to reduce draught and provide a seal, are usually part of the bottom rail assembly.
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