Optimal - Concrete, Granite, Marble, Natural stone, Cured concrete medium
Good - Reinforced concrete, Brick, Roof tile, Cured concrete hard
Acceptable - Ceramic tiles, Porcelain
Optimal - Concrete, Granite, Marble, Natural stone, Cured concrete medium
Good - Reinforced concrete, Brick, Roof tile, Cured concrete hard
Acceptable - Ceramic tiles, Porcelain
