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What type of sealant is recommended for installing the CRL TH634A patio door threshold?

Windows and Door Hardware
Patio Door Hardware Line
Patio Door Rollers
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DK Hardware 2026-09-30 - 17:56:34
Technical Team

For optimal installation and sealing, CRL recommends using either M66GRY or 777GRY as a threshold sealant with the CRL TH634A Aluminum OEM Replacement Patio Door Threshold.

Product Details

Aluminum OEM Replacement Patio Door Threshold - 4-5/8" Wide x 6' Long
TH634ACRL TH634A Aluminum OEM Replacement Patio Door Threshold - 4-5/8" Wide x 6' Long
(1)
$266.12/Each

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