High-density urethane or HDU is a rigid, durable foam material that is much thicker than most foam types and is designed specifically for signs. HDU signs can be made to look dimensional just like redwood signs but are a more cost-effective option to their various counterparts. Because HDU is easier to shape than wood, the [...]
About Martin HiebThis author has not yet filled in any details.
So far Martin Hieb has created 1 blog entries.