I need to pour a 5'x 4'x4" how many bags do i need
1
You will not have enough time to pour an area that size with the Fast Setting Concrete. It will set too quickly and cause cold joints. The cold joints will crack over time and it will cause the product to fail. It would take 18 of the 50 lb bags to fill that area, but we would recommend using the regular setting concretes for that application.
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