TRIMFINITY 2-1/2-in x 7-ft Polystyrene Casing

TRIMFINITY pre-finished designer moulding fits the needs of everyone, whether you are a do-it-yourselfer or a professional contractor. The 1/2 in. x 2-1/2 in. x 84 in. Polystyrene white case moulding conceals the gap between the drywall and the door/window frame. As easy to use as wood and more durable. For use in new or existing construction.