Flush Solid Doors can be used in any exterior and/or interior space. Flush Solid Doors have a thickness of 1 3/4″. These doors can be cut up to 3/8″ on either side (left and/or right side). These doors can also be cut up to 1/2″ on the top OR bottom. Flush doors have treated pine for the interior structure. The doors structural frame and the wood vinyl are in the specified wood. See images for more information on the door structure.