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Read All Questions & AnswersHow many 94 lbs bags do I need to do a 12x12x3 pad
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You will need 1.33 yards of concrete to fill this area. It will take 8 bags of Portland cement mixed with the proper amounts of sand and gravel to fill this area. Your parts should be as follows: 1 part Portland, 2 parts sand, 3 parts gravel.
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