This standard specifies the requirements for materials, construction, dimensions, and finish for top-hung type steel sliding shutters. It covers the shutter leaves, frame members, top track, rollers, guides, and locking arrangements used in industrial and commercial buildings.
steel sliding shutters (top hung type)
Quick Reference Values
Minimum thickness of shutter leaves1.25 mm
Minimum thickness of vertical frame members1.6 mm
Minimum thickness of top and bottom frame members2.0 mm
Maximum clearance between shutter and floor10 mm
Maximum permissible twist2 mm per metre length
Minimum bearing length for top track brackets100 mm
Practical Notes
Ensure the top track is installed perfectly level and straight to prevent jamming or unintended shutter movement.
Regular lubrication of rollers and track is essential for smooth operation and long service life.
Verify the gauge of steel sheets and quality of paint finish upon delivery to site as these are common areas of non-compliance.