Quality Made Doors

Koch & Company Doors

Seneca Lag Series

Overview Our vast selection of 1 3/8″ stile and rail profiles, panel options and wood species allow you to choose doors that complement the other woodwork and cabinetry in your home.


  • Over thirty wood species
  • Wide variety of door and profile designs
  • Matching Bifolds


French Series

Overview Koch’s french doors will brighten any room and contribute to a friendly, open feeling. These true divided-lite doors are built with individual panes of glass in the authentic French Door Manner. Details

  • Available in 1 3/8″ and 1 3/4″
  • Matching sidelites
  • Raised or flat panel designs

Imperial Series

Overview These hand crafted 1 3/4″ wood doors have panel, glass, and sidelite options that fit a broad range of architectural styles and settings.


  • Interior or exterior use
  • Matching Bifolds
  • Features Koch’s signature lag bolts

Louver Doors

  Louver Overview Versatile Louver Doors can be used in a variety of settings. Their stiles and rails are proportioned to match our panel door line for a consistent look. Specs

  • Doors are available in 1 3/8″ (SL) & 1 3/4″ (IM)

V-Groove Doors

V-Groove Overview V-Groove doors feature a rustic, tongue and groove look that emulates plank doors. Each door is built with stile and rail construction to ensure structural integrity and match our other interior doors.   Specs

  • Doors are available in 1 3/8″ (SL) & 1 3/4″ (IM)

Barn Doors

Overview Barn doors are perfect for areas that do not have  enough space for a swinging door. These doors are easy to install and can be a focal point in any room of your home. Details

  • Available in 1 3/8″ and 1 3/4″

Fire-Rated Series

Overview Most of our panel door designs are available with a fire rating, allowing you the same consistent beauty as our non-rated doors. You’ll never have to sacrifice style for safety. Details

  • 1 3/4″ doors
  • Raised and flat panel and moldings
  • Category A or Category B

Compliance Our Fire Rated Series is tested for compliance with the following standards

  • ASTM E2074 (2004), UL 10(b) (2008),
  • ASTM E-152-81a, UBC 7-2 (1997),
  • NFPA 252 (2008), UL 10(c) (2001)
  • CAN / ULC s104 1980 (R1985),
  • UBC 7-2 (1994)

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