Custom printed outdoor signs for local roofing repair company. Denver Print Company can produce several hundred custom printed yard signs every single day, with our state of the art printing technology we can produce high quality prints. Get your roofing company yard signs printed today with the Denver Print Company. Yard signs are printed on high quality coroplast, this material is sturdy and great for outdoor marketing. With UV printing on coroplast you can guarantee that the material and print will last for several years.