321114 - Wood preservationUS
All examples - 321114 - Wood preservationUS
- bridge and trestle parts, wood, treating
- creosoting of wood
- lumber and plywood, treating with creosote or other preservatives
- millwork, treating
- mine props and ties, wood, treating
- piles and pilings, foundation and marine construction, treating
- poles, round wood, cutting and treating
- preserving purchased wood and wood products
- pressure treated lumber, made from purchased lumber
- railroad ties (i.e., bridge, cross, switch), wood, treating
- structural lumber and timber, treating
- treating wood products with creosote or other preservatives
- wood fence parts (i.e., pickets, poling, posts, rails), treating
- wood preservation
