M-D Building Products Prova-Shower Curb - 4-1/2 Inch x 6 Inch x 48 Inch ~ White

PROVA CURB® is a low-profile prefabricated shower curb that can be installed with any shower base. It can be easily waterproofed using PROVA-MAT® waterproofing membrane, and it features a dovetail recess for better mortar adhesion.

Can be easily waterproofed using PROVA-MAT® waterproofing membrane, and it features a dovetail recess for better mortar adhesion
Easily cut to desired length or add additional curbs
Lightweight and durable
Comprised of lightweight expanded polystyrene
Premium polymer-modified thinset mortar required for installation. Premixed mortar or mastic are not to be used