USG Durock Brand 48 in. x 5 in. x 4-1/2 in. Shower System Curb

The USG DUROCK Shower System Curb delivers outstanding strength at an aesthetically pleasing height. At only 5 in., this curb allows for easier shower entry and exit, while creating a sleek upgrade to taller curbs offered by other competitors. Made from 3 lbs. density molded EPS, the USG DUROCK Shower System Curb won't allow leaks or swelling resulting in water damage.