Prova shower curb, 48" long, easy to cut to size and ready to tile. Dimensions 4.5" x 6" x 48". I have 2 of them $30 each or $50 for both. Better than Schluter Kerdi Curb, solid curb, Schluter is hollow.
-High-density expanded polystyrene shower curb
-Creates barrier to keep water from escaping shower
-Grooved bottom surface provides enhanced adhesion to substrate
-High-density expanded polystyrene (EPS)
-Prevents water from escaping the shower area
-4-1/2 in. W x 6 in. H x 30 in. L
-White
-Grooves on the bottom of the curb enhance thin set bonding between the curb and the substrate
-Non-deteriorating, non-rotting polystyrene
-Lightweight, easy to handle, cut, and install
-Premium polymer-modified thin set mortar required for installation, no premixed mortar or mastic
-Install with 1/4 in. x 3/8 in. Square Notch Trowel