1.Fiberglass mesh&cement reinforced angle board 2.Waterproof, ready for tile 3.For cladding bathtub, water pipe, vanities ... , L shape and U shape. L-shaped angle boards are made by cutting a groove on ... the surface, while U-shaped angle boards made by cutting two grooves on the ... and insulatingFiberglass mesh and cement reinforced, ready for tilingEasier and faster to be installed, thus ...