PINE DOOR A GRADE. DIMENSION: 813MM X 2032MMX40MM. BACK &AMP, SERVICE DOOR. FOR EXTERNAL USE PLEASE MAKE SURE THAT BEFORE INSTALLATION THE DOOR IS PROTECTED FROM WEATHER CONDITIONS:1. THE DOOR MUST BE TREATED / PAINTED ON ALL SIDES OF THE FRAME. 2. THE DOOR MUST BE GIVEN AT LEAST TWO COATS OF VANISH / LINSEED OIL. 3. TO PROLONG THE LONGEVITY OF THE DOOR, IT IS PREFERABLE TO HAVE AN OVERHANG ABOVE THE DOOR (AWNING).