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Unread 09-14-2018, 05:36 PM   #6
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Join Date: Aug 2007
Posts: 156
Thanks for the reply. I’ll probably give it to the next day before I caulk.

For reference, I’m using Tec unmodified uncoupling mortar (Lowe’s) and ColorRite Color-Sil for the finish caulk which is an RTV silicone.

The granite window sill is about 48” x 4” x 3/4” thick.
Tom from Long Island
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