The shadow lines of shiplap and nickel-gap boards for siding, interior walls and ceilings are now attainable in maintenance-free PVC from Versatex Building Products LLC. The VERSATEX shiplap profiles are available in nominal 1 by 6 inch and 1 by 8 inch with one leg at 5/8 inch and the other at 1/2 inch for a ready-made 1/8-inch gap. The reversible VERSATEX WP4 nominal 1- by 6-inch profile, which retains the industry-standard V-groove effect on one side, now features a nickel-gap option on the reverse. All profiles are sold in 18-foot lengths that can span up to 24 inches on-center in ceiling applications. They’re suitable for horizontal and vertical orientation on walls.