Instructions / Assembly

* Based on 8" x 8" nominal sized glass block.
** Rough Opening = Actual Size +
1
/
2
".
LightWise
®
logo is a registered trademark owned and protected
by Pittsburgh Corning Corporation, Pittsburgh, PA 15239
© 2011 Pittsburgh Corning Corporation
Printed in U.S.A. LWW-200 (V) 2.5M 3/11
PITTSBURGH CORNING CORPORATION
800 Presque Isle Drive
Pittsburgh, PA 15239
724-327-6100
pittsburghcorning.com
Vinyl Frame – Installation Instructions
IN STALL
THIS
END UP
Finishing and Ac ces so ries
Head or Jamb Detail
Dry Wall
or Trim
Sill Detail
w/Optional Brickmold
Sill or
Trim
Casing
or Trim
R
Op tion al
Brickmold
Sill Detail
w/Optional J-Channel
Casing
or
Trim
Op tion al
J-Chan nel
Sill or
Trim
New Construction Installation Instructions
9 in.
min.
Sill Flash ing
2
R
R
R
R
R
R
AAMA/WDMA/CSA 101/I.S. 2/A440-08 & 05
Safety Glazing Test
ANSI Z 97.1 Passed 12", 18" and 48" drops
CPSC-16-CFR 1201 Passed 48" drop
AAMA Designation Optional Water Test Air Test
FW-R 90 (40 x 80) 720 Pa (15.0 PSF) 75 Pa (1.6 PSF)
FW-R 90 (56 x 64) 720 Pa (15.0 PSF) 75 Pa (1.6 PSF)
1
*Nominal **Rough Opening
Width or Height Required
8" 9
13
/
16
"
16" 17
5
/
8
"
24" 25
3
/
8
"
32" 33
3
/
16
"
40" 40
15
/
16
"
48" 48
3
/
4
"
56" 56
9
/
16
"
64" 64
5
/
16
"
72" 72
1
/
8
"
80" 79
7
/
8
"
Installation & Cleaning
Recommendations
Use a detergent-water solution
and soft rag or brush to remove
dust, dirt, smoke film, soot or
salt spray from vinyl frame
surfaces.
For glass surfaces, follow
common window-cleaning
procedures using warm soapy
water or a branded glass
cleaning product.
Protect LightWise
®
Windows
from power washing and acid
cleaning of surrounding walls.
Sizing Chart
New
Building
Paper
Head
Flashing
1. Preparations: All framing members must
conform to present industry standards.
2. Set window in rough opening from outside
with nailing fin overlapping exterior sheathing.
Provide a continuous bead of sealant between
the nailing fin and exterior sheathing. Press
the fin into the sealant before nailing. Center
window within rough opening.
3. Level and plumb window by shimming
at sill, side jambs and head if necessary
(Figure 1). Be sure to check both side-to-side
and front-to-back alignment. Shim spaces to
be no more than
1
/
4
" per side.
4. Secure nailing fin with #10 x 2" long pan
head wood screws with #10 washers,
starting 3" in from all corners and 8" on
center maximum spacing.
5. Install 9" flashing strips over the nailing
fins as shown in Figure 2. Apply
underlayment (such as building paper) in
a shingled (overlapping) pattern or follow
industry standards for window flashing.
6. After exterior siding or brick is applied,
caulk around perimeter of window unit.
(When brick veneer is used as exterior
finish, adequate clearance must be left for
caulking between window sill and masonry.
This will prevent damage and bowing of
sill caused by shrinkage and settling of
structural lumber.)
Sill
Shim (if necessary)
Glazing Bead
Vinyl Frame
Pittsburgh
Corning
Glass Block
Sealant
Sealant
Washer
Nailing Fin
#10 x 2" Long Pan Head Wood Screws
with #10 Washers @ 8" O.C.
The information contained herein is accurate and reliable to the best of our knowledge. But, because Pittsburgh Corning Corporation
has no control over installation workmanship, accessory materials or conditions of application, NO EXPRESS OR IMPLIED WARRANTY
OF ANY KIND, INCLUDING THOSE OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, IS MADE as to the per-
formance of an installation containing Pittsburgh Corning products. In no event shall Pittsburgh Corning be liable for any damages
arising because of product failure, whether incidental, special, consequential or punitive, regardless of the theory of liability upon
which any such damages are claimed. Pittsburgh Corning Corporation provides written warranties for many of its products, and such
warranties take precedence over the statements contained herein.

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