joe48
Gold Member
Farmwithjunk said:Most new trailers use PT yellow pine. OK, but not outstanding.
Best, longest lasting, strongest I've seen is rough sawn white oak. Slightly heavier, but much stronger.
Even the best PT lumber doesn't last forever when left outside. It needs further protection. Old farmers trick, "paint" it with a mixture of 2/3rds used motor oil, 1/3rd diesel fuel. (reducing w/ diesel helps with better penetration.) In a matter of a few hours, it'll absorb into the wood. You DON'T have an oily mess as some might think. At first application, you might need a couple coats. Then simply a maintenance coat every year or so, and your wood trailer deck will last MUCH longer. I've got hay racks that have been around for 25 years and still look like new where I've kept them oiled. Worried about oil spilling onto the ground while applying? Don't. You CAN put down a sheet of plastic if you think some will drip, but applied slowly, the oil mix absorbs almost instantly and nothing drips.
DITTO TO FWJ !! What I did was visit a sawmill run by a very nice Mennonite fellow, and ask him what he would recommend for the greatest strenght and longevity. There many types of wood that can be used including the PT pine, but the white oak is twice as strong and will last longer than PT even without treatment. He also recommended the 2/3 used motor oil/ 1/3 diesel -or kerosnene mix. Best applied before assembly so a good coat is on all surfaces. Then recoat when a test patch will adsorb the mix readily, (maybe between 2-5yrs). Do your oil coat over your gravel drive if you have one and ,it helps bond the surface, of course your local DEC may not think highly of that practice!!! Up to you.
One thing he cautioned ,was DO NOT use red oak as it has open pores and will adsorb moisture and will rot faster than plain pine.