Window and door wraps that require back-brushing or multiple mud coats cost you time on every opening — and on a full exterior wrap job, that time compounds fast. Dura-Taf J-Channel is designed to eliminate the back-brushing step by providing a clean, locked-in edge that needs mudding only once. Rigid PVC construction will not rust or corrode like metal trim. The channel depth accommodates most standard trim coil widths. Once the J-channel is set, you mud once and you are done — the J-lock edge gives you a clean line without fighting the metal. The same trim component stocked at Crofton Lumber that finish crews across northeast Nebraska and northwest Iowa reach for on window wrapping jobs. In stock at Crofton Lumber (Crofton, NE) and Akron Lumber (Akron, IA) — ready for pickup today. Stocked at Crofton Lumber and Akron Lumber.