Sierra Door  


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How you store, handle, and finish the door is critical for performance, appearance, and the successful installation of your new doors. Please follow these recommendations when accepting delivery, machining, finishing, and installing your new Sierra Doors:


Do not deliver or except delivery of the doors until the concrete floors, foundations, plaster walls, dry wall, or other high moisture contributing construction activities have been completed. All outside windows and exterior doors should be in place and the building sealed to provide a controlled environment.

Do not deliver or except delivery of doors until the climate control ventilation system has been installed and is operating. The relative humidity inside the building should be maintained within a range of 30-50% and the temperature within a range of 50-90 degrees Fahrenheit. These occupancy level temperature and humidity ranges should have been maintained for a period of five days prior to accepting delivery. Buildings without proper climate control will likely experience problems with dimensional change of the wood. Extreme moisture and improper handling and storage will result in panel expansion and/or contraction, joint separation, veneer checking, veneer cracking, or veneer delamination and will void the warranty.

Do not expose doors to extreme or rapid changes in heat and humidity, in particular rapid changes used in the construction process to dry out a building.

Store doors above grade, lying flat, on a level surface in a well ventilated area. Doors should be completely covered during storage.

Allow doors to acclimate to the job site conditions and average prevailing relative humidity and temperature prior to machining, hanging, and/or installation.


Use proper size door for opening. Cut down only if necessary.

Do not cut more than 2 inches from height of door, up to 1/2 inch from top of door, and up to 1-1/2 inches from bottom.

Allow a 1/8-inch margin between door and frame.

80 doors should use four hinges set in a straight line to prevent distortion or component separation.

Hinges: Set 3 flush with edge of frame and face of door.

Interior doors: Trim for carpet plus 1/2 inch for ventilation.

Each door must be completely resealed on top and bottom after trimming. Minimize heat loss by using effective
weatherstrip and combination doors.

When hanging door slabs, allow adequate clearance for swelling of the wood components during times of high moisture conditions.


Finish should be applied immediately after fitting, machining, and hanging but should not be applied during times of high humidity or moisture. Doors should be sanded prior to finishing to remove excess moisture and fiber raise due to humid conditions.

Doors should not be finished until after the machining and hanging. Remove door from hardware before finishing to allow for sealing of all machined areas. Failure to properly seal the door will void the warranty.

Remove door from frame and lay flat for finishing. Choose a reliable painting contractor or, if you elect to finish it yourself, use only high grade finishing materials in accordance with paint/ stain manufacturer's instructions. A small additional investment in quality finishing materials will pay off with years of satisfaction. Purchasing finish materials from one source will assure coating compatibility.

Sand door lightly with 3/0 or 5/0 sandpaper to remove handprints, handling marks and any feather edges.

Remove all dust and clean door thoroughly before beginning to finish. Do not use caustic or abrasive cleaners.

Be sure the top and the bottom of doors are sealed and that all sides of door are completely finished.

Painting door: Use a good oil base pigmented primer.

Apply 2 coats of top coat material. Sand between coats.

Doors that are exposed to direct sunlight for extended periods of time during the day should not be painted with
black or dark-color top coats.

Staining doors: Apply semi-transparent stain on clear undercoat recommended for the type of application, either exterior or interior.

Apply 2 coats of clear top coat. Sand between coats.

Doors exposed to direct sunlight should not be finished with dark colored stains. Glazed doors: Apply top coat
generously to bridge between wood and glass. Lap paint onto glass 1/16 inch to protect against moisture penetration.


  1. Do not deliver or install doors until concrete floors, foundations and plaster walls are dry.
  2. Avoid abnormal heat, dryness and humidity.
  3. Store doors above the floor laying flat in a well-ventilated area. Keep covered.
  4. Handle doors carefully with clean hands.
  5. Allow the doors time to acclimate to the conditions at job site prior to installation.
  6. If door slabs are to be stored at the job site for more than a period of 5 days prior to installation, the doors should be finished and sealed on all six sides. If doors have not been machined, the unfinished machined areas should be finished and sealed immediately after machining.


Cleaning and refinishing will significantly extend the years of satisfied service from all exterior millwork.

Failure to comply with these guidelines will negate any warranty claims made for product performance
by the manufacturer.

Download Installation and Handling Information
View Additional Handling, Finishing and Warranty Details


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