This large moulding features cove details. Cove moulding is a timelessly popular addition between rich angles because it creates a visually pleasing transition. This crown moulding is measures 17" in height. It enriches doors, entryways and windows with bold detail. Prominent moulding does wonders for the exterior space. It highlights the home's most significant features and compliments exterior decor overall. This moulding is 12' in length and precision-crafted in urethane. When it comes to exterior trim, lightweight and durable urethane has much to offer. Urethane includes a closed-cell structure that prevents much of the moisture absorption that can lead to peeling, cracking and decay. It is also primed when molded.