Installation Instructions

37
OVERALL
HEIGHT
MINUS 1-3/8"
OVERALL
WIDTH
FIGURE 1
FIGURE 2
FIGURE 3
CUT BACK
BY 11/16"
SNAP-IN-CLIP
FACES WINDOW
Jamb Extension Installation – All Installations
IMPORTANT: Jamb extension must be
applied to the door unit BEFORE the unit is
installed or the rough opening is prepared.
Place unit (interior facing up) and jamb
extension on a clean flat surface before
applying.
NOTE: A Casement window is shown, however the
“Jamb Extension” application procedure is
the same for these doors.
NOTE: Jamb extension is not applied to the sill on
door units.
NOTE: For non-DPR installations only.
Rough opening may need to be enlarged
3/8" to 1/2" to provide clearance for
accessories and insulation.
DPR installations MUST maintain the 1/4"
shim space on all sides (see Page 1).
How To Measure When Lineal Jamb Extension
is Ordered
To find the horizontal and vertical lengths when
jamb extension is ordered in lineal pieces, measure
the overall frame width for the horizontal pieces.
Cut back the vinyl snap-in-clip by 11/16" on
each end of the horizontal jamb extension only
(FIGURE 2).
The length for the vertical pieces is the overall
frame height minus 1-3/8"
(FIGURE 1).
To Apply Jamb Extension
1. Lay the pieces of jamb extension so that the
vinyl snap-in-clip faces the door (FIGURE 2).
IMPORTANT: On mull or stacked units
(2-Wide only), in order for the jamb extension to
run the full length or width of the units, the
snap-in-leg must be notched back where the
units intersect.
NOTE: Install the horizontal jamb extension so its
ends are flush with the sides of the door
frame (FIGURES 3 & 3A).
2. Using a rubber mallet, fully secure horizontal
jamb extension snap-in-clip into the full length of
the door’s accessory groove (FIGURE 3).
3. Set the vertical jamb extension pieces between
the horizontal piece. Apply both vertical pieces of
wood jamb extension using a rubber mallet to
exert enough force to snap the snap-in-clip into
the accessory groove (FIGURE 3).
Flush To
Frame's
Edge
3A