In addition to providing affordable, high-quality lumber, Ohio Timber Works is your local source for pressure treated fence posts and fence boards. We offer posts in various widths and lengths with available facing on posts 5″ and larger in circumference. Pressure treated wood is lumber that's been treated to make it more durable and less susceptible to water. I moved a house onto my existing basement and the under side of the house has green treated plywood. Do I have to do anything to the treated plywood or is it safe to leave it alone?
Pressure Treated Materials. Pressure treated materials are a must when it comes to the longevity of your fence or other wood projects. The treatment helps guard against bug damage and water damage which are the two main contributing factors when it comes to the deterioration of a piece of wood.