Sandblasted Signs- They sure are cool looking, aren't they?  Sandblasted or carved signs, these signs allow the greatest amount of creativity. These signs have been traditionally made from either cedar or redwood planks, and still are today. New technology brings new products, and Kornerstone Signs is proud to offer HDU (high density urethane) as well as Extira for sandblasted and carved sign faces. HDU is “workable” just like wood, but offers one-piece construction that adds years to the life of your sign. Painting is the only maintenance required. Extira, a wood composite, is extremely hard and lends itself to applications where vandalism may be a problem. We are happy to review pros and cons, and show you samples so you can make the best, informed decision for your particular application.