Choosing a Roller Shutter System by Door Size: Manual, Chain Hoist or Motor
Each roller shutter system suits a different door size: manual up to 3.50 m, chain hoist up to 7 m and motor up to 10 m in width and height.
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Steel Shutter Doors: Manual, Motor or Chain Hoist Operation?
Strong, rustproof and lightweight, steel shutter doors come in three popular systems: manual, motor and chain hoist.
