These doors are becoming popular for their nice look, less cost and better strength than paneled doors. Flush doors are easy to make and undergo little expansion or contraction with the changes in weather. These doors are available in thickness of 25 mm, 30mm, and 35mm. The width and height of flush door shutter should be according to drawing. All four edges of a shutter should be square. The shutter is free from twist or wrap and the moisture contents in timbers used for manufacturing of flush door shutters should not exceed 12% when tested according to IS:
Flush door shutters have solid or semi solid core set in framework of stiles and rails, which is covered on both sides with plywood or combination of cross bands. The face of flush door should be veneered to give good finish, without joints on surface. It is available in both decorative and non-decorative surfaces. The width of stiles and rails should not be less than 45 mm and not more than 75 mm. The width of each wooden strip should be parallel to the stiles, not exceeding 30 mm.