30 in. x 80 in. Solidoor Smooth 2-Panel Solid Core Primed Composite Interior Door SlabEnjoy refined style and easy elegance with the Masonite Solidoor Smooth 2 Panel Solid Core Primed Composite Interior Door Slab. The industry benchmark for all composite wood doors, our expert construction results in a more durable door that resists warping, shrinking, and cracking better than a solid wood door. Solid Core Solidoor Panels help reduce the sound transmission in your home. Select designs offered in coordinating bi fold and factory prehung