- Punched galvanised slat, mixed options
- Openings to 6 000mm wide
Perforated roller shutter doors use a punched steel slat instead of a solid one. The holes let light, air and sightlines through while the curtain itself stays full-strength steel — which is why they are the standard choice for mall shopfronts and for any opening that needs to breathe.
Two reasons people choose perforated
Visibility. Most shopping centres require tenants to keep window displays visible after trading hours. A perforated curtain satisfies that without leaving the shop open.
Ventilation. Plant rooms, generator enclosures, parking basements and workshops that build up heat or fumes need airflow even when secured. A perforated door gives you both.
Specification
- Punched galvanised steel slat, various hole patterns and open areas
- Can be mixed with solid slat — solid at the bottom, perforated above eye level
- Openings to 6 000mm wide
- Anti-lift locking on the bottom rail
- Powder-coated to any RAL colour
Choosing the open area
More open area means more light and airflow but slightly less rigidity across a wide span. On openings over about 4 metres we usually recommend a smaller hole pattern or a mixed curtain. This is the sort of thing worth a two-minute conversation rather than a guess off a website — tell us the opening size and what the door needs to do.
Security that does not go dark
A perforated curtain is full-strength steel with the slat punched, so the shutter secures the opening while light and sightlines pass through it. For retail that is often the difference between complying with a centre lease and breaching it — many shopping centres require window displays to stay visible after trading hours.
There is a second benefit that gets overlooked: an interior visible from outside is far less attractive to break into than a blank steel face, and centre security can see into the unit on patrol. Perforation patterns range from small punched holes to open grille depending on how much visibility you need against how much you want to obstruct.
How we build it
Every door is manufactured to your measured structural opening at our Sandton works in Tarlton, not cut down from a stock size. Slat is roll-formed on our own line, guides are cut and drilled to the opening height, and the springs are wound to balance the finished curtain weight. Powder coating is applied after fabrication so the colour holds across the whole assembly rather than just the visible slat.
What decides the specification
Two things: the width of the opening and how often the door moves. Spring life is measured in cycles rather than years, so a door opening forty times a day needs a different spring and drive to one opening twice, even at identical dimensions. After that it is environment — salt air, washdown, dust or forklift traffic each change the material and the hardware. That is why we survey before quoting.
Installation and handover
Fitted by our own teams, never subcontracted. Guides are set plumb and square, the curtain is hung and balanced, limits are set, and every safety device is tested and adjusted within safe closing force before we leave. You get a demonstration of normal operation and of the manual override, because the first time you need that override should not be during an outage.
Warranty and aftercare
Workmanship is covered for twelve months and motors carry their manufacturer warranty, which we register for you. Because we manufactured your shutter, we can tell you its exact specification years later and we hold the wear parts for it rather than ordering them in — which is the practical difference between a repair that happens this week and one that waits on a supplier.
Related
Also worth a look
Galvanised Roller Shutter Doors
Hot-dip galvanised roller shutter doors that resist rust in coastal and washdown environments. Manufactured to your opening at our Sandton works.
Sliding Garage Doors
Where there is no headroom at all
Sliding doors run sideways along the wall instead of upward. The answer when a garage has no usable headroom and a roll-up or sectional door will…
- Runs sideways along the wall
- Manual or motorised
- Suits low-roof and basement garages
Steel Garage Doors
The workhorse, galvanised and coated
Galvanised steel garage doors in 0.5mm to 0.8mm sheet, Chromadek or powder-coated, built to your measured opening as roll-up, sectional or tip-up. Repairs on any make.
- 0.5mm to 0.8mm galvanised sheet
- Chromadek or powder-coated to any RAL
- Roll-up, sectional or tip-up