Apparently the movement, and vibrations are too much for traditional grout applications, but I wanted real tiles so I came up with an alternative. I used regular tiles, 2" square which I mounted onto .040 aluminum cut to size. Instead of grout I used Acrylic Latex CaulkPlus Silicone in a complimentary color. I left off the tiles in the corners and top/bottom center, and used screws to mount to the wall. Then I ground the back center of the unmounted tiles to allow for the screw heads, and attached them with a few dabs of silicone adhesive, and finished up the caulking.
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2017 Springdale 202QBWE, 2017 F150 XLT 5.0
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