1.Fiberglass mesh&cement reinforced angle board 2.Waterproof, ready for tile 3.For ... types, 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 surface ... *300*15010 Advantages:Waterproof and insulatingFiberglass mesh and cement reinforced, ready for tilingEasier and faster to be installed, ...