Colour Frog

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The Online Sign Specialists

Which material should I choose for my sign?

A quick overview:




Correx signs


Low cost, good durability

Foamex signs

1mm, 3mm, 5mm, 10mm

Medium cost, very good durability

Aluminium dibond signs


Higher cost, excellent durability


Correx signs

Correx is the lightest and the cheapest rigid sign material, but it is still weatherproof and suitable for temporary outdoor use.

Correx is most commonly used for estate agent "for sale" and "to let" signs. It can also be used for all kinds of indoor and temporary outdoor signage such as building site boards, event graphics, temporary road signs and advertising.

Correx is a popular material for signage because it's cost-effective and extremely lightweight with a very good strength to weight ratio. 


Foamex signs

Foamex is stronger than correx with a flatter surface. It is hardwearing and weatherproof for indoor and medium term outdoor use. Foamex is available in four different thicknesses: 1mm, 3mm, 5mm (our most popular) and 10mm. The 1mm, 3mm and 5mm thicknesses are light for their size but the 10mm thickness is heavy for its size.

Foamex is most commonly used for outdoor signage and exhibition display panels but it can also be used for indoor signs, event signs and advertising panels.

Foamex is a very popular signage material as it offers a great compromise between strength and price.


Aluminium dibond signs

Aluminium dibond is the strongest of the sign materials but is still lightweight. Aluminium dibond has two aluminium sheets sandwiching a polyethylene core giving it the highest strength to weight ratio.

Aluminium dibond is most commonly used for premium quality outdoor signage and is particularly suitable for locations that experience strong winds. Aluminium dibond is available with a white background or a brushed silver background.

Aluminium dibond is popular for businesses needing permanent outdoor signage or anyone that wants the best possible material for their rigid signs.


Click here to see our full range of signs

Popular Products

Printed Vinyl Graphics

Digitally printed self-adhesive vinyl graphics and large-format stickers. Excellent durability even when situated outdoors.

Health & Safety Signs

Choose from over 2000 safety sign designs from 35+ categories. Choice of Correx, Foamex, Dibond and self-adhesive materials. Change to any size and even add your own text or logo.

Window Graphics

Digitally printed static-cling window graphics. Applies to the inside of a window using static. Easily removed with no sticky residue.

Metallic Vinyl Graphics

Digitally printed self-adhesive metallic vinyl graphics. Choose from a range of silver, gold and rose gold metallics including brushed and chrome.

Clear Vinyl Graphics

Digitally printed self-adhesive clear vinyl graphics. Your design is printed onto a waterproof transparent vinyl with white ink printing available.

Banners & Mesh Banners

Full colour, digitally printed PVC banners and mesh banners. Perfect for promoting your business or event on a large scale. Waterproof and weatherproof with eyelets included for free.

Correx Signs

Full colour, digitally printed correx signs. Correx is the most cost-effective rigid sign material and is suitable for indoor and temporary outdoor signage. Lightweight and weatherproof.

Foamex Signs

Full colour, digitally printed foamex signs. Foamex is a hardwearing, weatherproof rigid sign material that is low cost and available in multiple thicknesses.

Aluminium Dibond Signs

Full colour, digitally printed aluminium dibond signs. Premium quality, strong and lightweight. Fully weatherproof including strong winds. Ideal for permanent indoor and outdoor use.