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Sign Materials

Same-Day Aluminium Signs

Aluminium-based signs are the workhorse for outdoor signage because they do not rot, swell or rust. Aluminium composite board, often called by trade names such as chromadek-style or ACM, has a plastic core between two thin aluminium skins, giving a flat, rigid sign that is lighter than solid metal.

Typical signs in this category

  • Outdoor safety signs on fences and gates
  • Road and parking signs on private property
  • Business name and entrance signs
  • Site boards for construction projects
  • Farm gate and boundary signs
  • House and estate signs
  • Assembly point signs

Materials

Aluminium composite (ACM)Most outdoor printed signs: flat, rigid and weather-resistant
Solid aluminium sheetRoad signs and signs that may be knocked or need extra strength
Aluminium with reflective vinyl faceRoad and gate signs that must be visible at night
Aluminium with overlaminateSigns in harsh sun or where graffiti or scratches are a concern

Choosing a size

Aluminium composite comes in large sheets, so signs can range from small plates to large boards. Choose the size from viewing distance and the mounting space, and consider wind load on large signs, which need sturdy fixings. Common sizes run from A4 for door and gate plates through A1 and larger for site and entrance boards.

Standards and compliance

Aluminium is a substrate, so compliance depends on what is printed on it: safety signs commonly follow SANS 1186 and road signs the SA Road Traffic Signs Manual (SARTSM). The customer remains responsible for selecting the correct signs and mounting them safely; we print to the artwork or specification supplied or agreed.

Same-day conditions

  • Aluminium composite or sheet is in stock in the size needed
  • Cutting and any drilling fit the day's capacity
  • Artwork is approved before the configured cutoff
  • Payment is received in full

Pricing

Signs are priced by quotation based on size, material, quantity and finishing. Request a quote.

FAQs

Is chromadek the same as aluminium composite?
The terms are often used loosely in South Africa. Chromadek is a coated steel product, while aluminium composite has an aluminium skin and plastic core. Both are used for outdoor signs; we will confirm which material your sign is made on.
Will an aluminium sign rust?
Aluminium does not rust the way steel does, which is one reason it is popular for outdoor signs.
Can you drill holes for mounting?
Yes, holes can be drilled for screws, cable ties or pole brackets. Tell us where they should go.
How long will the print last outdoors?
Lifespan depends on sun exposure, ink and whether the print is laminated. Overlaminating improves resistance to UV and scratches.

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