Heavy duty 19mm aluminium roller grille

Heavy duty 19mm aluminium roller grille

These are ideally used in shopping complex's, arcade, large entrance doorways, shop fronts. buildings near the sea, carpark entries and chemical enclosures.

Curtain

Manufactured from 20mm diameter aluminium tubing at 75 mm centres connected horizontally by extruded aluminium links 40mm wide at 500mm centres riveted to the tubing to form a brick pattern.

Bottom Rail

The bottom rail shall be manufactured from specially extruded heavy gauge aluminium attached to the bottom tube for adequate strengthening of the curtain.

Guide Channels

The guide channels shall be specially extruded aluminium section.

Size

Up to 5000mm high x 6500mm wide for internal use. (External use subject to manufacturer's design).

Roller Drum

The roller drum shall consist of 168mm diameter minimum seamless cylindrical tube encasing hilical tension springs, matched to suit door size and weight and manufactured from a super grade wire revolving around a steel axle. The roller drum shall be designed to give minimum deflection over the door span.

Drum Wall Support Brackets

The roller drum support brackets shall be manufactured from mild steel plate having a minimum thickness of 8mm thick and/or matched to suit door size.

Operation

Operation is by hand chain or electrically motorised according to size preference or as selected. Chain operation is by endless chain and gear reduction.according to size and

Center Mullion

Centre mullions may be incorporated to suit individual or multiple openings.

alum_heavy_duty

Finish

Finish shall be:-
Mill finish
Natural anodised or color anodised
Powder coat painted to colors as selected