The Ultimate Sash Replacement
System
Ultra-Fit Sash Pac Sash
Replacement System
TrimLine
Windows offers the Ultra-Fit Sash Pac sash
replacement window system. Unlike typical wood sash
replacement window systems, which merely provide a pair
of loose compression style jambliners, the Ultra-Fit
design unitizes its jambliner with a low profile head
and sill plate, thereby ensuring a factory controlled
sash opening.
The Ultra-Fit jambliner features a flexible blind stop
flap to ensure a tight fitting weatherseal, while
providing a seamless transition from the old window
frame.
Custom made on every 1/8", the unit, which is field
assembled, is installed in a similar manner as a
conventional replacement window. Once the unit is
secured in the opening the jambliner can be adjusted to
remove any hour-glassing or bowing-out through the use
of a specialized jamb adjusting screw.
The system employs the same E-Z Tilt sash, block and
tackle balance system and hardware, as well as other
available options on the Legend Series clad wood
double hung replacement window. In addition, all
wood and arched head sash with True Divided Lites are
also available with this system.
Please click
here for window options
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Ultra-Fit sash
replacement system in white shown installed in
typical wood opening with 5/8" removable grille
in bottom sash and 1 1/8" authentic true divided
lite "Presidential" model segmented arch top
sash. |
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Ultra-Fit head and jambliner
assembly shown in white (also available in almond).

Ultra-Fit sill and jambliner
assembly.
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The Ultra-Fit sash
replacement system is offered as a kit ready for
field assembly complete with instructions and
all necessary assembly and installation
hardware. Shown in almond (also available in
white) with optional 4 lite SDL grille in top
sash and 5/8" removable wooden grille in lower
sash in western pine interior. |
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The Ultra-Fit sash replacement system features a
specialized jamb adjusting screw to remove any
hour-glassing or bowing of the jambliner to
ensure a weather tight sash fit. |
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The Block
and Tackle balances used in all Trimline double hung
windows never need adjusting and have been AAMA tested
for over 28,000 cycles without failure to ensure an
equivalent of 104 years worth of smooth and effortless
operation |
PARTS LIST
- HEAD
SECTION
- SILL
SECTION
- LEFT
JAMBLINER ASSEMBLY
- RIGHT
JAMBLINER ASSEMBLY
- TOP SASH
- BOTTOM
SASH
- 12
ASSEMBLY SCREWS #7X1 PHILLIPS PANHEAD
- 2 SILL
INSTALLATION SCREWS #7X1 PHILLIPS PANHEAD
- 4 #6 X 2
INSTALLATION SCREWS
- 2 JAMB
ADJUSTING SCREWS
- SASH PIVOT
- BOTTOM
SASH LIFT(S)
- 2 SNAP-IN
JAMB ADJUSTMENT HOLE COVERS
- 4 SNAP-IN
JAMB INSTALLATION HOLE COVERS
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Ultra-Fit Sash Replacement
System
Assembly & Installation
Instructions
Assembly
- Unpack & arrange the window
Frame Head (A), Sill (B), RH Jambliner (C), and LH Jambliner
(D) on a flat surface with the interior of the frame facing
upward.
- Attach the Head (A) to the
straight ends of jambliners (C) & (D) with the #7xl phillips
panhead screws provided (G). BE CAREFUL NOT TO
OVER-TORQUE THE SCREWS.
- Attach the sill (B) to the
angled ends of jambliners (C) & (D) with the #7x1 phillips
panhead screws provided (G). BE CAREFUL NOT TO
OVER-TOURQUE THE SCREWS.
Installation
- Using a putty knife,
carefully remove the interior sash stops from the head &
jambs of the old window (figure #1), as you may want to
re-use them in step #7 below. Remove the old bottom sash. At
this point double check the size of the sash opening with
the frame assembled in steps 2 & 3 above.
- Remove the center parting
stops from the head & jambs of the old window using a
prybar, pliers or putty knife, and discard them. Remove the
old upper sash and pulleys and cut the sash cords. For newer
windows remove the old jambliners or aluminum sash tracks.
- Inspect the window opening
for square, straight, and unobstructed installation of the
new frame. Clean & remove debris as necessary.
- Apply silicone sealant to
the interior face of the exterior blind stop at the head &
jambs of the old window.
- Carefully lay the assembled
Ultra-Fit Frame into the window opening (sill first). Be
sure to pull back both blind stop flaps so that they do not
lie against the interior face of the siliconed blind stop.
In most cases it will be necessary to notch the top of the
flap so it is not trapped behind the top blind stop. The
flexible blind stop flap should lie against the outside of
the blind stop as shown in figure #5. Push the frame outward
until the foam bulb weather strip compresses against the
siliconed exterior blind stop.
- Once the Ultra-Fit Frame is
positioned in the opening check for any excessive clearance
(more than ¼" each side) around the frame and sash opening.
If needed, shim behind predrilled installation holes (I).
Using the #6 x2 phillips head screws, screw through shims
into old window jamb. Install snap-in installation Hole
Covers (N).
- Either reinstall the old
interior trim that was removed in installation step 1 or
replace with new trim. In either case be sure to pull back
the inside flexible trim flap on the jambliner before
installing trim.
- Using the special crown &
bit tool (figure #6) install the jamb adjusting/anchor
screws (J) in the pre-drilled 9/16" hole at the middle of
the left and right jambliners. Using the bit portion of the
tool only adjust the jamb adjusting screw so the jambs are
straight & the frame is square. Install snap-in Hole Covers
(M).
- First, Install the new Top
Sash (E) as follows: Hold the sash at a slight angle and
engage the pivot (K) by lowering the sash into the terminal
assembly. Make sure all (4) terminal assemblies are in the
locked position approximately 8"-10" above the sill and that
they are equal height on both sides of the right and left
jambliners. If not in the locked position insert screwdriver
into terminal assembly & pull downward until at proper
height and turn screwdriver slowly until locked in place.
(Figure #4)
- Repeat step 9 to install
Bottom Sash (F).
- Once both sashes are
installed check for smooth operation & tight vertical
weather seals. Use the jamb adjusting screw (J) as described
in step 8 to tighten or loosen jambliner against sash.
- Mount lift handles (L) on
lower sash at pre-marked location using #6x1 bugle head
screws provided.
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