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©2012 Pella Corporation Part Number: 81CP0101
INSTALLATION INSTRUCTIONS - INSTRUCCIONES PARA
LA INSTALACIÓN
CLAD WINDOWS WITH FLUSH FLANGE
Lea las instrucciones en español en el reverso
Installation Instructions for Replacement of Aluminum Windows in Hard Coat Stucco
Applications in arid climates.
These instructions are designed for typical California hard coat stucco exterior applications. The
installation must leave the existing aluminum window frame and weep system in place. These
inst
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SEAL SEALANT ANT YOU WILL NEED TO SUPPLY: TOOLS REQUIRED: • T ape me asur e • C omposite or Impervious shims/spacers (12 to 20) • L evel • Se alant gun • P r essur e-tr e a ted 2x4 (4-6 f t) • 3-1/4” finish he ad scr ews (16-20) • Squar e • W ood blocking to suppor t new window . • Scr ewdriver (Fla t) (20-30 f t) • Utility knife • P ella® Smar tFlash™ foil back ed butyl window • Hack saw and door flashing tape or equivalent • 5/32" and 3/8" drill bit • P ella Window and Do
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1 OPENING PREPARATION D . Use pliers to r emove the 2” section(s) of fr ame. 1D E. S tar ting in the 2” fr ame notch, use a reciprocating saw to cut the frame legs flush with the drywall. Do not cut through the frame exposing the rough opening. Do not damage 1E the drywall where it will remain exposed after the new window is in place. Note: At the sill, ensure that 1/4” minimum height of frame leg remains to act as a sill dam. 1/4" minimum Repeat steps C - E for all four sides of t
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1 OPENING PREPARATION Window Frame Depth minus 1/4" I. Install wood blocking around the entire opening. Flashing Tape The blocking must be the same height as the Wood Blocking existing aluminum window frame. The blocking must 1J extend to the interior far enough to provide full support for the sill of the new window, however may extend as far to the interior as desired. Set blocking in sealant against drywall return to prevent air infiltr a tion. J. Apply sill flashing tape. Cut a piece
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2 WINDOW PREPARATION A. Casement: On the r oom side of the window drill 1/8" diameter cle ar ance holes thr ough the he ad, jambs and sill of the fr ame. Space the holes a maximum of 6" fr om e ach end and a maximum of 16" on center . Note: On vent casements, place the holes so they do not interfere with the roto operator and the latch points on the lock side of the window. EVER Y 6" 16" 6" Drill 1/8" clearance hole 6" 6" EVER Y Single EVER Y 16" 16" Window 2A Casement Sill 6" 6"
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3 SETTING AND FASTENING THE WINDOW A. Test fit the window in the opening from the exterior. Insert shims around the window temporarily while you verify that Window the window will fit into the opening and Frame the window flanges will overlap the stucco or existing aluminum window frame by a minimum of 3/4" on all (4) sides. Note: Fix any problems with the opening 3/4" before proceeding. If required, the Min. exterior flush flange may be trimmed to 3A fit inside exterior surround
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4 APPLY ExTERIOR PERIMETER SEALANT A. Place a corner bead of sealant on the edge Exterior of the window flush flange on top, sides and bot tom to the stucco . L e ave a 2" gap in the sealant bead at the bottom, corresponding to the weep hole locations in the existing aluminum window frame. 4A 2" 5 INTERIOR SEAL CAUTION: Ensure use of low pressure polyurethane window and door insulating foams and strictly follow the foam manufacturer’s recommendations for application. Use of high pres
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ExTERIOR FINISH OF ALUMINUM CLAD WINDOWS ® T he e xterior fr ame and sash ar e pr otected by aluminum cladding with our tough Endur aClad or Endur aClad Plus bak ed-on factory finish tha t r equir es no painting. Cle an this surface with mild soap and water. Stubborn strains and deposits may be removed with mineral spirits. DO NOT use abrasives. DO NOT scrape or use tools that might damage the surface. Use of inappr opria te solvents, brickwash or cle aning chemicals will cause adverse r e
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INSTALLING ROTO COVER AND CRANK Note: Finish the interior of the window and allow the Pocket End window to dry before proceeding with these instructions. (To open the window for finishing, partially insert the lock handle into the jamb, unlock the unit, temporarily attach the crank handle and turn to open.) Screw Hole A. Place the cover over the operator stud and snap into Operator Stud A place. Position the pocket end of the cover into place. Note: If the cover does not have the screw hol
