... Tolerance:+-0.5mm MC:12% lvl for construction walking board beam 1.LVL--Laminated Veneer Lumber LVL ... Veneer Lumber. It is a kind of board uses log as material, by rotary-cutting ... such as construction template parts, construction beam, carriage board, furniture, flooring, wood keel, packaging and so on ... same size solid wood products, and more suitable for load-bearing use. Surface mount pine dough, ...