Project: Garage For this project, Cement Techs MD used about 20 yards of concrete for both the client’s garge and the porch! A project like this will take roughly two hours to pour. The concrete was 4500 psi pea gravel. Contact Us Name Email Address Message Send Message PO Box 8 Church Hill, MD 21623 (443) 262 1533 (443) 262 1534 info@cementtechsmd.com