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Will it fit a ThermaTru door ?

Windows and Door Hardware
Door Closers and Accessories
Commercial Door Locks, and Thresholds
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DK Hardware 2026-10-05 - 14:55:02
Technical Team

It may fit a Therma‑Tru door if the sill is aluminum and matches the extender’s profile, but for guaranteed compatibility, Therma‑Tru recommends using their own branded sill extenders.

Product Details

72" x 2" Extender for All Residential Sills Mill Finish Aluminum Finish
EXT2A72Pemko EXT2A72 72" x 2" Extender for All Residential Sills Mill Finish Aluminum Finish
$52.69/Each

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