Pella offers a full range of installation systems to accommodate the installation of Pella® Impervia® windows and patio doors in virtually any building.
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
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.
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.
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.)
For new construction or window replacement where wall conditions or construction sequence requires installation from inside the building.
For new construction or window replacement where normal fin/tape installation cannot be accomplished because of wall conditions or construction sequence.
For window replacement requiring installation from inside the building, Pella’s T-subframe system reduces labor costs by eliminating the need for exterior scaffolding.