Flat Beds A standard flat bed has a 30 mm thick single floor, on request this can doubled, made of plywood or combined materials. Its tarpaulin framework has a standard height of 1,800 mm, 2,200 mm, tarpaulin design to be made on request (material, sectional, TIR tarpaulin) Typ VA 1 - all-wood Typ VA 2 - steel grillage, wooden sides Typ VA 3 - steel grillage, aluminium sides Typ VA 4 - all-aluminium