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. Plice window into the rough opening . I Rough sill must be level; do not shim sill . , Be sure to hold window in place until fully fastened . Sh m side jambs 3" -6" from top and bottom of each side jamb an at approximately 8" intervals in between (fig. 9); shims sh uld be snug, not excessively tight, and provide a parallel shim su port; side jambs must be straight N, te: For double-hungs, place shims at the point where the two sa hes meet to ensure proper operation. . In pect window for square, level and plumb; square window by m . g diagonal measurements of window frame the same . F ten one lower comer of window 3" -6" from sill into side jamb as follows: N, te: Be careful not to penetrate any operating hardware in side ja bs. . Fastener must go through shim . Drill screw hole and countersink (for wood putty or plug cover) through the window frame jamb, shim, and into rough opening side jamb . Insert #10 screw long enough to penetrate at least I" into the structural framing of the rough opening . C eck unit for proper operation while holding window securely; if the w ndow does not operate correctly, remove and reinstall . S cure shims with sealant or structural adhesive te: Do not apply fasteners through window sill. window 3"-6" from the remaining ends of both side jambs or double-hungs, insert fasteners and shims at the point where the two sashe meet. lfwin w is tailer than 3', fasten the side jambs at 30" maximum intervals as follows: . D 11 screw holes and countersink (for wood putty or plug cover) through window frame jamb, shims, and into ro gh opening . In ert #10 screws long enough to penetrate the rough opening or buck at least I" (fig. 10) Note: For high wind areas, refer to structural engineering reportfor fastener schedules. Ifwi ow is wider than 3~ fasten the head jamb as follows: . In ert shims at 30" maximum intervals at the head jamb . D'll screw holes and countersink (for wood putty or plug cover) through the window frame and rough opening be ide the shims (not into the shims) Insert #10 screws long enough to penetrate header at least 1" Remove shims from header Note: For high wind areas, refer to stroctural engineering report for fastener schedules. Ensu that the sealant on the back dam of the sill pan fully seals to the inside face ofthe window sill; apply more seala t if necessary On t exterior, apply backer rod and a 1/4" thick bead of sil one sealant underneath the sill, leaving a I" gap appr imately 6" from each end and at intervals not to exce 18"; incidental water caught in the sill pan shoul be able to drain to the exterior through these weep channels Note. Sealant should not come in contact with the edge of self- adhe ive flashing. On e exterior, seal gap on sides and across the header with back r rod and polyurethane sealant; if this sealant joint is to rema n exposed, use high quality 100% silicone sealant On e interior, seal the lower 6" of the gap between the rough open ng and the side jamb using backer rod and polyurethane seal t on both sides of the window; for locations with low expo ure to rain, the use oflow expansion foam as a sealant is acce table 2 3 4 5 6 7 8 JIIO 12 Inst lation Instructions for Primed Wood Windows without Applied Exterior Trim Fig. 9. (interior view) Shim 8" apart between rough opening jambs and window frame; do not shim sill G.) ~~ How to check lor square: TIP . Measure from upper left comer to lower right comer of frame with tape measure . Measure from upper right comer to lower left comer of frame with tape measure . Compare measurements . If both measurements are the same, the window frame is square . If not, maximum difference for square is 1/8- for opening equal to or under 20 sq. n. (e.g. Z'dO', 4', 5') and 1/4"lor opening larger than 2D sq. ft. (e.g. 4', 6', S'x 5') Fig. 10. (interior view) Support head jamb and side jambs Page 6