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Pella Impervia Casement Window

Pella Impervia Fixed Casement Window

A fiberglass window with three unique elements...

Pella’s Impervia fiberglass windows have a robust corner assembly featuring three unique elements—a corner lock; a strong, durable thermoset polyurethane sealant; and a mechanical fastener—that ensure structural integrity. The line comes in solid colors as well as dual-color frame with a white interior.

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