Installation Guide

© 2014 Trinity Glass International, Inc.
DOCIINDX 02/14
Installing Your New Door On
Existing Frame
1
TOOLS AND MATERIALS NEEDED
Pencil
Tape Measure
Hammer
Carpenter’s Square
Power Drill with Phillips Drill Bit
Paint/Stain
5/0 Sandpaper (180 grit)
6/0 Sandpaper (220 grit, or finer)
Paint Brush
Clean Rags
Masking Tape
SAFETY: Always use personal protective
equipment (safety glasses, gloves, ear protection,
etc.). Some door units are heavy and may require
two people to lift and install. Use proper lifting
techniques and follow safe working practices.
3. Once the locations are transferred, you will need to mark
the exact location of how far each hinge leaf will rest on
the mortise of your new door. Locate the hinge backset
to match the existing door, as shown in Figure 1a.
With a pencil, trace around the hinge leaf and score with
a razorblade. Use a hammer and wood chisel to remove
wood by lightly tapping out enough wood to make hinge
flush with door edge as shown in Figure 1b. Repeat for
each hinge.
4. If your existing door has a bevel, the same should be
made on your new door, as shown in Figure 2. Most
doors are beveled approximately 3º to 5º to prohibit door
from rubbing or sticking in jamb when closing.
BEFORE YOU BEGIN
Make sure that the new Feather River door will properly
fit into the existing frame opening. To do this, you will
need to do the following:
If your existing door fits properly, use it as a template for
your new door. If your existing 6'-8" door has only 2
hinges, a third will have to be added exactly in between
the 2 existing hinges. 8'-0" door will require 4 hinges.
Hinges are to be 3" minimum.
Depending on flooring (carpet, linoleum, laminate,
hardwood, etc.), there should be 1/8" to 1/4" clearance
between floor and bottom of door. If trimming the door
height is necessary, trim up to 1/2" at top and bottom
equally.
HINGE MORTISE
1. Make your new door the exact size and shape of
your existing door, including the locations of the
hinges and door knob. You may have to use a jack
plane to remove excess wood to match the shape of
your existing door.
2. With a pencil, mark the exact locations of the
hinges on your existing door at the top and bottom
part of each hinge leaf and transfer them to your
new door.
Figure 1
a)
b)
HINGE
BACKSET
Figure 2
BEVEL
JAMB
STOP
DOOR
Wood Chisel
Knife or Razorblade
Jack Plane
Screws
Screwdriver

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