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How-To Replace Corner Pads

Corner seal pads complete the seal between the sill cap, bottom sweep and weatherstrip to help block potential pathways where wind-driven moisture can infiltrate the bottom corner of the door system. The 7-Shape Corner Seal Pads are included in Therma-Tru’s patented jamb assembly, featuring the 7-shape Corner Seal Pad which creates an air pocket that helps prevent a vacuum from wicking moisture up the weatherstrip.

In this video, Therma-Tru provides a simple, step-by-step, tutorial explaining how to replace corner pads. Replacing corner pads requires a few common household tools.


Updated on May 15, 2021

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