Custom Construction Signs - Custom size or Colour available
Durable Anodised Aluminium signs is one of the strongest materials in the sign industry. Full colour custom signs, any size can be manufactured, including, but not limited to:
- Arrow signs
- Safety signs
- Warning signs
- No smoking signs
- Toilet signs
- Fire signs
- No Parking signs
The following diagram shows the Anodising Process of the Aluminium Signs :

What is not commonly known is that rubies and sapphires are both termed corundum because they are principally made from aluminium oxide.
According to Mohs scratch hardness scale, Diamond is the only mineral harder than corundum.