(Aluminium Dibond is most commonly used for premium quality outdoor signage, and the only choice for any outdoor sign that’s likely to experience a high wind load. Robust Outdoor Signage, Premium Quality Excellent choice for outdoor signage. 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 signs are also know as aluminium composite panel (ACM) signs. Best Signs UK offers printing at high resolution with UV stable, waterproof inks for all-weather protection. Same-day or next-day production service.)   Artwork Confirmation I certify that the artwork I provide is print-ready, scaled to at least 300 DPI with bleed, all fonts outlined, and in an appropriate CMYK formatted file without spot colours. Otherwise, I acknowledge that there can be variations between the final print I obtain and the artwork I provide.