Pella Fiberglass Systems

Pella Commercial Multi-Family Fiberglass Installation Systems

Pella offers a full range of installation systems to accommodate the installation of Pella® Impervia® windows and patio doors in virtually any building.

Methods of Attachment

There are many options for installing Pella® Impervia® fiberglass composite windows in new construction and renovation projects: nailing fins; flanges; block frames with fins, masonry clips or jamb screws, and T-subframes.1

 

Integral Fin

The integral fin design features a continuous fin, allowing the window frame to be integrated into the building’s weather-resistant barrier using the Pella Window and Door Installation Method.2

This total installation solution includes our exclusive SmartFlash installation tape and Great Stuff Pro Window and Door Insulating Foam Sealant by The Dow Chemical Company.3

Integral Fin

 

Flush Flange

The flush flange frame is designed specifically for replacement applications on stucco exteriors in arid climates like those found in the southwestern part of the United States. The flush flange allows for quick installation without removing the existing frame or damaging the stucco exterior.

Flush Flange

 

Block Frame

The block frame provides a variety of attachment and installation options. Windows can be installed in wood/steel frame openings using optional fins, or in masonry openings using installation clips or jamb screws. Block frames may also be used in window replacement projects without removing the existing frame or damaging the exterior.

 

Block Frame with Offset Fin

The continuous offset nailing fin is designed for use in new construction with thin exterior claddings like stucco, thus allowing the window to be located more to the interior. When the offset is not required, a standard profile fin is available. (Shown below with dashed lines.)

Block Frame with Offset Fin

 

Block Frame with Installation Clip

For new construction or window replacement where wall conditions or construction sequence requires installation from inside the building.

Block Frame with Installation Clip

 

Block Frame with Screw Attachment

For new construction or window replacement where normal fin/tape installation cannot be accomplished because of wall conditions or construction sequence.

Block Frame with Screw Attachment

 

Block Frame with T-Subframe

For window replacement requiring installation from inside the building, Pella’s T-subframe system reduces labor costs by eliminating the need for exterior scaffolding.

Block Frame with T-Subframe

 

 

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