Trim Sheet Bends Easily without Risk of Cracking, Premium Low-Mar Topcoat Resists Cracking Chalking and Fading and Long Runs of Material with No Ripples, Waves or "Oil-Canning". Striated PVC richly textured finish mimics the look of freshly painted wood. Thicker and more durable than most PVC finishes, it is composed of surface-conditioned high-quality aluminum covered by an all-weather super-flexible primer topped by a thick film of textured PVC topcoat. This premium construction provides an exceptional durability, long-term performance and scratch-resistance.