MONTREAL DOOR THICKNESS

Door Thickness: Interior: 1-3/8″ or 1-3/4″; Exterior: 1-3/4″ Raised Panel Thickness: Poplar Doors 1-1/8″; All others 3/4″ Flat Panel Thickness: 1-3/8″ doors get 1/4″ panel; 1-3/4″ doors get 1/2″ panel Construction: Doweled Cope and Stick Standard Doors are available in oak or poplar.

What is door thickness?

Door thickness is another factor that can affect how your door hardware fits during installation.  All manufacturers make hardware to fit multiple thicknesses.  Residential interior doors are usually 1-3/8” thick, while most residential exterior doors are 1-3/4” thick.  If your door is neither of these measurements there may be adapters or extension kits that can be ordered to accommodate.

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1. Standard Thickness 1 3/4
2. Thin door Thickness 1 3/8

• Thick door is 2 1/4 Inch
• Thick door is 2 1/2 Inch
• Thick door is 3” Inch

1. Standard Holes 70MM -2 3/4
2. Older Style Holes 60MM 2 3/8