The materials, sizes and print methods can greatly affect suitability and durability of your signs. If you're looking for long-life exterior signs, go for the heavier, more durable materials such a Dibond, while lighterweight (5mm) Corribord is more economical for shorter durations. The larger the signage, the heavier the material required to survive winds and other stresses. Below are a list of recommendations when selecting you materials: