10mm Radius rounded corners, no sharp edges Help reduce the speed of traffic and reduce accidents · Manufactured from 3mm thick dibond aluminium · Choose from the 2 fixing options opposite · Wall Fixed | 3mm... Caution speed ramp sign - 3mm Aluminium sign. Advisory Ramp 40 MPH Sign W13-3 - Shop Now, Ships Fast Aluminium Ramps VSafety Caution Speed Ramps/Drive Slowly - 800mm X 600mm Class RA1 Road Safety Sign Advantages of Using Dibond Aluminium Sturdiness - being made from composite aluminium, our Dibond signs are rigid and have been thoroughly tested for high impact resistance. Advisory ramp speed warning sign Stock Photo - Alamy Aluminium composition means it doesn't rust or get cracks Dibond is often used for shop / building signage, directory signs for offices or flats, but can also be used excellently in car parks, property development hoardings, direction and information signage and much more. Can be fixed to posts, walls or cladding either drilled, screwed, riveted or nailed.