A heavy duty roller grille door designed specifically for the larger openings experienced in Shopping Malls, Supermarkets, Cart docks & Arcades as well as a specialised door for carparks.
With several manual and motor options, this product combines airflow and high levels of visibility without loss of security.
- Curtains are constructed from individual 19mm diameter aluminium tubes connected with extruded aluminium links
- Captive guide system fitted with a polypropylene pile insert to prevent metal to metal contact
- Fixed or removable mullion options are available
- Operation by motorised gearbox drive or manual hand chain
- Grilles are custom made to fit the size of opening and structure of building
Horizontal 19mm aluminium tubes spaced 50mm apart by high tensile aluminium joining links to form a strong brickwork pattern. Nylon endcaps reduce friction inside the door guides. A bottom rail attached to the bottom of door screen is manufactured from extruded aluminium RHS. Manual doors are fitted with a 2-way double-sided deadlock.
Extruded heavy duty aluminium captive guide channel 50mm wide x 50mm deep, fixed conventionally behind door jambs or recessed into wall. Flared at top for smooth entry of screen into guides.The guide profile incorporates a mohair strip each side of cavity to reduce wear on door screen making quieter operation and extending the life of the door. Captive profile prevents screen from being forced out of the guides.
150mm diameter door drum for minimal deflection of door screen across opening. Torsion springs calculated to balance screen weight for lightweight operation. Axle fitted with sealed roller bearings for high cycle operation. Door brackets adjustable to suit varying roll sizes, fitted conventionally to jambs above door opening.
Removable mullions are used to separate multiple doors in cases of very wide or angled openings when full access is required. The door tracks being removable leaving opening unobstructed.
Satin Silver Anodised Aluminium. Powder coating of a wide wide of colours available as an optional extra.
Spring balanced, manual chain hoist or motorised options available. Spring balance: Computer generated spring formula ensures fingertip manual operation. Standard Motorising – SDI: A pre-wired single phase 1/2hp motor/gearbox drive unit with pre-wired pushbutton controller, power lead & built – in adjustable limit switches. Unit fitted with emergency hand-chain for operation in case of power failure.
Extras include UPS Battery Backup and External Keyswitch.