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Northwest Garage Doors

When it comes to garage doors, Northwest Door® is a leader in innovation and quality. Northwest is a family owned business that began in 1946 installing wooden garage doors. Since 1970 Northwest Door has been an inventive overhead garage door manufacturer catering to the needs of the market place. In 1989 Northwest introduced the Therma Shield, one of the first steel sandwich construction doors which has now evolved into the Therma TechTM line.

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Heritage ClassicTM is Northwest Door's finest handcrafted carriage house style garage door. These flush insulated wood doors are built with specially framed and sized sections to receive wood overlay designs. Skilled artisans can replicate most any design that you or your architect can create. Choose from select woods like Cedar, Tight Knot Cedar, Redwood, Knotty Alder, VG Fir, Mahogany and other fine woods.


CONSTRUCTION: Door frames are constructed using 1-1/8" thick finger-jointed West Coast kiln dried Hem/Fir heavy stile and rails, Tongue & Groove weather joint at meeting rails and a 1-1/8" Polystyrene core. 1/4" Luan Mahogany Plywood is pressure laminated to both sides of frame (E Series) or 3/8" MDO Plywood on exterior (M Series). A 3/4" thick wood overlay is applied to the door face to create the design, the (C & H Series) have an addition layer of T&G material applied to the door face prior to the application of the overlay design. The overlay material is back cut with 1/8" grooves to help resist cupping or warping before it is applied to the door. All windows are true divided, if overlay is an arched pattern, the top of the windows are also arched. Door faces are Paint Grade unless otherwise specified Stain Grade.


  • Frame thickness: 1-1/8", Face material thickness: 1/4", Overlay thickness: 3/4",
  • Overall door thickness: E Series 2-3/8", M Series 2-1/2", C Series 3-1/4"
  • End Stiles: 5-1/2", Center Stiles: 10
  • Bottom Rail: 7-1/2", Top Rail: 5-1/2", Meeting Rail width combined: 5"
  • Arches: Standard radius for doors up to 10' wide door are 15'-0" radius, those over 10' wide are a single 58'-0" radius or two 15'-0" radius arches (double arches)
  • Calculated insulation rating through section, R Value=6.18
  • Finish: Face sanded ready for finishing
  • 1 Year Limited Warranty

STANDARD WIDTHS: 8'-0", 9'-0", 16'-0", 18'-0"
STANDARD HEIGHTS: 7'-0", 8'-0", 9'-0", 10'-0", 11'-0", 12'-0", 14'-0"
For ease of operation do not exceed 28" Section Height


  • Widths up to 20', heights up to 14', in one inch increments (180 max. sq. ft. total)
  • Stain Grade, with no putty
  • Custom arches (an exact radius must be specified or a template provided by the buyer)
  • V-grooves cut at 3", 5", or 8" on center on M Series (Paint Grade only)
  • Many select wood overlays are available (Clear Western Red Cedar is standard)
  • Decorative hardware
  • 25,000, 50,000 & 100,000 cycle torsion springs
  • 1/8" clear annealed glass standard, clear obscure and insulated glass optional.
  • Low clearance, high lift or vertical lift track and hardware also available