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Signage Materials

There are three principal materials for producing rigid signs.


This material is also known as corrugated polypropylene or fluted plastic board and is the cheapest option of the three. Its lightweight complexity means that it is only used for short term signage as it is prone to bend in high winds. This material can be screwed to wooden platforms to increase strength but is mainly used by estate agents, building sites or as directional signage for shows.

Foamex is the “Middle of the road” material for both cost and durability. There are three thicknesses available being 3mm, 5mm and 10mm. The 3mm version is advised for indoor use only as it can tend to warp on rather hot days. Both the 5mm and 10mm versions are perfect for outdoor signage as they can withstand all weather conditions. The word ‘Foamex’ is very misleading, foam indicates a soft, spongy consistence however Foamex PVC is a rigid, robust material of superior quality.

Dibond is a brand name commonly used for aluminium composite sheet or ACP, these can also be found under the name Dilite or Alucobond. Dibond sheets consist of a solid polyethylene core sandwiched between 2 sheets of aluminium that is approximately 0.3 thick, giving the panel a total thickness of 3mm. Dibond is the strongest of all three materials and has the best strength to weight ratio. It is mainly used for display and sign applications including retail & shop front signage. It can be drilled, riveted, screwed or nailed to almost any surface, and as it will not rust or crack it is ideal for both long and short-term advertising displays.


So to Recap:

Correx® – Also known as Fluted plastic board, corrugated polypropylene sheet 4mm, 6mm, 8mm or 10mm thick, cheap, low durability

Foamex™ – Also known as Foam PVC, Foamalite, Forex, Palite 3mm, 5mm or 10mm thick, cost-effective, good durability

Aluminium Dibond® – Also known as Dilite, Aluminium Composite Panel (ACP), Alucobond 3mm thick, premium signage material, highest durability

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