K.Seal the window to the exterior stops. Place a corner bead of sealant around the perimeter of the window frame where the new frame contacts the original window frame. Also place a bead of sealant between the sill adapter and

THEHBOTTOM OFTTHEOEXISTING WINDOWWSILLI4HIS BEAD SHOULD connect to the jamb sealant beads. Tool the sealant beads.

Note: When corner beading sealant around the perimeter of the window frame, be careful not to cover the weep holes at the sill.

&YUFSJPS

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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 pressure foams or improper application of the foam may cause the window frame to bow and hinder operation.

A. Apply insulating foam sealant. From the interior,

*OUFSJPS

INSERTTTHETNOZZLE OFOTHEZAPPLICATOR APPROXIMATELY E

deep into the space between the window and the

 

ROUGH OPENING AND APPLY A ADEEP BEADPOF FOAM

 

4HIS WILL ALLOWWROOMOFOR EXPANSIONEOF THE FOAMIANDN

 

will minimize squeeze out. If using foam other than

 

'REATA3TUFF ™ Window and Door Insulating Foam

 

Sealant by the Dow Chemical Company, allow the

x

FOAM TOMCUREECOMPLETELY USUALLYLYTO UHOURS

 

BEFOREEPROCEEDING TOITHEGNEXT STEP

 

Note: It may be necessary to squeeze the end of

 

the tube with pliers to be able to insert into the

 

space between the new and existing window

 

frame. DO NOT completely fill the space from the

 

back of the blind stops to the interior face of the

 

opening.

 

B.Check window operation by opening and closing the window.

Note: If the window does not operate correctly, check to make sure it is still plumb, level, square and that the sides are not bowed. If adjustments are required, remove the foam with a serrated knife. Adjust the shims and reapply the insulating foam sealant.

6 INTERIOR TRIM

A.Reinstall existing interior sash stops or new trim as desired.

High Performance Installations: )NSTALL NEWW X  INTERIOR SASH STOPSTAT HEAD JAMBS ANDNSILLS0REDRILLRFORLAND INSERTT X  mAT HEAD CORROSIONIRESISTANT SCREWSS3CREWS SHOULDHBE PLACED EFROM EACHEENDCAND NOTNMOREETHAN  ON CENTER

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Pella V784840 installation instructions Interior Seal, Interior Trim, Apply insulating foam sealant. From the interior
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V784840 specifications

The Pella V784840 is a premium window solution designed to enhance home aesthetics while providing exceptional performance and energy efficiency. This window model is part of Pella's commitment to innovation and quality, catering to homeowners looking for both style and functionality.

One of the main features of the Pella V784840 is its advanced glass technology. This window incorporates low-emissivity (Low-E) glass, which helps to reflect heat and UV rays while allowing natural light to enter the home. This ensures that interiors remain comfortable all year round, reducing reliance on heating and cooling systems.

The Pella V784840 is also equipped with an argon gas fill, which serves as an insulating barrier between the panes of glass. This gas fill further minimizes heat transfer, resulting in lower energy bills and a more comfortable living environment. The combination of Low-E glass and argon gas fill contributes to the window's impressive energy performance ratings, making it an eco-friendly choice for homeowners.

The design of the Pella V784840 is equally noteworthy. It features a sleek and modern aesthetic that easily complements various architectural styles. Available in multiple finishes and colors, these windows can be tailored to match the unique look of any home. Additionally, the windows are built using high-quality materials that ensure durability and resistance to the elements, contributing to the longevity of the investment.

Another characteristic of the Pella V784840 is its ease of operation. The window is designed with user-friendly features that allow for effortless opening and closing, making ventilation simple. The inclusion of tilt-in sashes also allows for easy cleaning from inside the home, adding to its practicality.

Security is prioritized in the design of the Pella V784840, which includes robust locking mechanisms to deter unauthorized access and provide peace of mind for homeowners.

In summary, the Pella V784840 stands out in the window market for its combination of innovative glass technologies, stylish design, energy efficiency, and user-friendly features. Whether replacing old windows or building a new home, the Pella V784840 offers a reliable, aesthetically pleasing, and efficient solution for any homeowner looking to enhance their living space.
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