What concrete "mix" should I be expecting my patio contractor to use?

Answered by Brendan ~ August 10, 2010 ~ 3 Comments » | Respond to this question

We're looking to get a poured concrete patio and our neighbors have warned us to make sure the contractor is using a "good mix", but I don't know what constitutes a "good" mix and I am not sure what I should be asking the contractor.

Julie ~ Cleveland, Ohio

Brendan Fowler

Generally when you refer to the "mix" of concrete, it is referring to how many sacks of cement are used per cubic yard of concrete. A "five sack" mix is a pretty common mix to use for patios (five sacks of cement). You may hear that you should use "six sack" mix, but for a patio it will tend to harden faster which may not leave enough time to finish the concrete properly. Many concrete delivery companies will not deliver anything higher than a "seven sack" mix due to its short cure time. I am not sure how to qualify a "good mix" for your situation. Every job will have different requirements and elements that will affect the concrete mix and finish times. Without knowing exactly what you are doing I can only offer general counsel. Beyond the mix, it is important that you have a good working relationship with your contractor. If you have any questions regarding the job he/she is doing for you just ask, I am sure they would be more than happy to educate you on the job they are doing. If you do not trust the contractor to give you an honest answer you should look for another contractor. Good Luck!!

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