Home › Forum › Ask A Member › Boat bunks › Re: Boat bunks
I would steer clear of pressure treated lumber. I think the issue has come up before on the boards here, but the newer PT formula–the one that got rid of the arsenic–is highly corrosive. Unless the trailer is galvanized (and even then it will pit and oxidize the zinc to a white, powdery coating wherever it touches it) it will corrode the trailer and fasteners. After working on the trailer restoration it would be heartbreaking to see all the work undone by corrosion from the pressure treated lumber. For what the lumber is worth and the relatively little work it takes to replace bunks, it isn’t worth trying to stave off bunk rotting only to cause worse damage to the parts of the trailer that are much harder and more costly to repair.