Instructions / Assembly

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10/02/18
Installation Instructions
for Interior Pre-Hung Doors (JII109)
INSTALL DOOR
3
WARNING! To avoid injury, use at least two people to install.
Adequately support the door until completely fastened.
Pre-hung doors will be either a one or two piece jamb system.
One piece jamb doors come without trim applied. Two-piece jamb
doors come in two sections. The inside and outside trim are already
applied to the main frame. The frame section with the pre-hung
door is nailed in place, then the other frame section with the
outside trim slides in from the other side and ts closely to the
wall. The two sections are assembled with a tongue and groove
joint which is covered by the door stop.
One piece jamb systems skip step 1 and begin with step 2.
1. If installing a two piece
jamb system, separate
the trim assembly from
the frame section. The
trim assembly may be
taped or tacked to hold it
in place during shipping.
Frame components
can be lightly primed
or stained prior to
installation, but wait until
after installation before
applying nish coats.
2. Pre-hung door frames
extend below the slab
to allow for different
oor heights. The
jambs can be trimmed
as needed before
beginning installation,
however make sure to
leave adequate space to
allow air to pass under
the door according to
ventilation codes.
3. Remove any packaging
or nails that hold the
doorclosed.
4. Position the door unit
into the opening and
level the hinge side of the
jamb. Use shims fastened
through the jamb and
stop with 10d nish nails
approximately 2" from
the top and 2" from the
bottom of the jamb to
level and temporarily
secure inplace.
5. Level the latch side of the jamb in the same manner as the hinge jamb.
Ensure the jamb is not twisted and that the spacing between the jamb
and door is uniform on all sides. Adjust the latch side of the jamb
asnecessary.
6. Shim the top of the jamb in the center of the opening and fasten with a
10d nish nail.
7. Re-check for square, level and even spacing around the door. Nail
securely in place through the stop, jamb, shims and into the studs every
12"-16". Set nails with a nail punch.
8. Position trim or slide trim
assembly (two piece jamb) into
place in the frame. Carefully nail
the trim on both sides of the
door every 12" to 16" using 4d
nishing nails.
9. After installation, replace the
center screw (as shown) in the
top two hinges (through the
leaves toward the jamb) with the
provided #9 x 2 1/2" screws.
Complete Installation
1. Install lockset hardware per supplied instructions.
2. Fill any nail/screw holes and sand smooth.
3. If installing a two piece jamb system, run a bead of 100% polyurethane
sealant in all joints and tool until smooth.
4. Finish all six sides of the door slab as well as the frame (if not already
done). Note! If removing the slab from the frame for nishing, remove
hinges from the jamb only, do not remove hinges from theslab.
5. Protect recently installed units from damage from plaster, paint, etc. by
covering the unit with plastic.
Door
Door
frame
Trim
assembly
Door
stop
Remove
nails
Allowed for
trimming
Jamb
Shim
Two-Piece Jamb System
Jamb
Replace
with
longer
screw