General requirements

075345 Flush wood doors

Flush wood doors for external use shall be produced from specified tongued and grooved timber complying with the requirements of Specification 07431. Flush wood doors for internal use shall be produced from timber or panel boards complying with Specification 07431 or 7432 respectively.

The type of panel boards shall be as shown in schedules or approved by the Engineer.
The finished thickness of flush doors shall not be less than 40mm.
Face panels on either face shall not be less than 8mm. Covers panels on either side if in tongued and grooved boards shall not be less than 15mm. The cores shall be in milled timber horizontal and vertical rails securely fastened to each other spaced close enough to secure rigid fixing of cover panels.
Cores may alternately be formed in honey comb plywood of thickness not less than 6mm. The panel boards shall be glued to the core securely.

Tongued and grooved timber shall be neatly and tightly nailed to the core. All outer edges of doors shall be lipped with milled timber to the width of the door and showing not less than 10mm on face.

Doors shall be rebated and notched for iron mongery. Notches on doors shall not extend beyond 10mm of the edge of the panel. If the iron mongery requires notching beyond this limit, flat metal lining shall be provided to the inner faces of the notched part in the depth and length of notching.
Notches shall be formed only after iron mongery has been examined and trial fitted on sample door.
Doors shall be rebated for glazing and beads temporarily pinned to the doors.
Doors shall be hinged to frames at locations showing in schedules.