The shutter curtain is constructed from cold rolled galvanized concave steel laths, (75mm), of suitable gauge to suit the application. Each lath is retained pressed steel iron end lock fixed with galvanized steel rivets. Cast Iron wind locks are fitted to help prevent the curtain being orced out of the guide during high winds, as and when required.

Heavier duty Roller Shutter Doors are widely used in the building industry Less noise, ease of operation, no grease required. Manufactured from 75mm x 0.5mm/1mm & 1.5mm galvanized slat material Can be manufactured up to 4000 mm (4 meters) Available in a range of standard colors / powder coated.

CURTAIN: Constructed from roll formed galvanized steel interlocking slats with effective width of 100mm. 0.5 steel thickness available dependent on door size and location.

BOTTOM RAIL: Bottom rail is 40mm x 40mm MS angle bolted to bottom slat on curtain. On wider doors 2 angles welded back to back to provide extra strength.

SIDE GUIDES: Galvanized roll formed steel channel with a minimum depth of 50mm and fitted with formed top entry bell mouth. Option as 75 –100mm deep tracks.

DRUMS: Are fabricated from mild steel tube with a minimum diameter of 150mm with a wall thickness sufficient to minimize deflection. Helically wound counter balance springs are contained within the drum.

BRACKETS: Shall be fabricated from at least 8mm mild steel plate and angle. Plates slotted to accommodate shaft and chain or motor mounting. Plates and angles zinc plated finish.

OPERATION: Shall be either manual geared chain hoist or electrically operated. Motorized doors are supplied with 3 phase motor with enclosed gearbox, limit switches, emergency hand chain and push button reversing starter. Single phase motors optional.

FINISH: Standard finish is for galvanized door curtain and guides. All other components metal primed