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ahhh the all time question are you doing a complete tare off? if so 1/2 osb or 1/2 cdx (cdx is a poor grade plywood osb is orientated stand board or wood chips) osb is most economical as it is cheap and it works

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14y ago
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10y ago

If you live in an area that does not get snow, or very little snow, you can use 1/2 inch thickness plywood for a roof. If you live in a snowy area, then you should use about 5/8 thickness.

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8y ago

the 1/2 inch obd plywood

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Q: What thickness plywood do you use for roofs?
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