
rthe following pictures is granite tub surround with glassfiber.glassfiber make the granite slab strong enough and no break.

We manufacturer 1cm(1cm=3/8") stone bath tub surround.tub surround also name bath tub wall surround.
More and more bathroom remodel project use the big 1cm stone slab for tub surround.

The sizes for the bathroom tub surround and shower surround size are three pieces 30x60x3/8 or 30x80x3/8 and one piece 37x60x3/8or 37x80x3/8. (3/8"=1cm) .usually there are four piece slabs one unit.