Treated lumber dipped into a proof against mildew solution. For decking and other below ground applications, pressure treated lumber is the material of choice for builders and do-it-yourselfers. Pressure treated lumber is softwood lumber protected by a vacuum-pressure process which forces preservatives deep into the cells of the wood. .

Also available: Deck post, colonials balusters, modern balusters, squared baluster, decorative balls, u-moldings, hand rail, stair treads and lattices.