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Perspex (a hardened plastic compound) is a great backboard material. The thicker it is the less it will cushion the impact of the ball, 7 millimetres thick is plenty. Drill slowly. Plywood is a cheap backboard although not greatly resistant to weathering.

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15y ago

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It's not specified in the rules - it only says that it has to be transparent - but they are usually polycarbonate.

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16y ago
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Tempered Glass

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16y ago
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glass

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15y ago
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Q: What are NBA backboards made of?
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