Exterior Cellular PVC Trim and Moldings Royal Building .
Haven? Insulated Board & Batten; Shake & Shingles . Exterior Trim And Mouldings Even Our Details Steal The Show. What in the name of curb appeal do our 100% cellular PVC trimboard, decorative mouldings and door and window surrounds do so well? Two things: 1) Move exterior trim from shrugged-at status to center stage of your home exterior .