The Belldinni Shaker Interior Door is a stile and rail constructed door with a single panel which is primed to paint. Its recommended that you sand the surface before applying your final finish. Shaker door comes double primed giving this door an already finished look. A falling threshold can be installed, to lower the noise and to keep the temperature inside. The door frame comes assembled with the slab pre-hung and is primed in the same finish as the door. Rough opening needs to be 2вЂќ wider and 2вЂќ taller than your slab size. The Shaker door slab can be used for different door systems like a swing door, pocket door, by-pass door, with barn track hardware, with pivot hardware. РЎan be installed in any room in the home. Primed to paint Smooth finished lookSand before final finishing Contains no harmful formaldehydes and phenols CoreParticle board and MDF (medium density fireboard) inside RUBBER SEAL Energy saving: rubber seal helps to keep the warmth inside the room for a long time due to the absence of gaps between the door leaf and the door jambBetter sound insulation qualities Protects from dust, smoke and insects Universal Pre-cut preparationBy customer’s request, doors can be equipped with concealed or plain bearing hinges of the Italian or US production.Falling thresholdAutomatic Door Sweep is optionally installed at the bottom of the door to protect the room from dust, noise, drafts, smoke and insects. Upon closing, the sweep mechanism is triggered by a switch at the door?s hinge side, which activates the sweep to drop down. Made in Italy.