Materials

Internet Signs Direct uses Corex in the production of a variety of signs available to purchase from this site:

Suitable for Internal and External use Lightweight - Waterproof

More for short term temporary use.

Corex is an economic and lightweight material.
It has a cellular polypropylene extruded sheet.
It is Light - Rigid - very cost effective and ideal for all kinds of applications.
4 mm thick.
Will not rot or swell like timber.
It is constructed like corregated cardboard with a hollow box tube centre but made from
polypropylene not paper and is totally waterproof - used for Estate Agent signs.

Hollow box tubing end view