Acrylic backboards are most commonly used in residential settings. This board is clear, giving the appearance of glass. Next, to glass, this board has the best ball response. It carries a 10-year warranty. Polycarbonate boards are most often the choice of parks, playgrounds, schools, and other institutional settings where purposeful vandalism may occur. This board is clear and carries a lifetime warranty. Glass backboards are for the customer who desires the same ball response found in an indoor gymnasium competition setting. Steel backboards are most often the choice of schools, parks, and other institutional settings where purposeful vandalism may occur.