If a few simple rules are observed, concrete serves far better than any other material in many residential uses such as foundations, basements, floor slabs, driveways, patios, sidewalks and exposed porch decks and stairs. Good quality concrete, properly placed and cured, is strong, durable and attractive. It will give many years of maintenance-free service.

WHAT MAKES GOOD QUALITY CONCRETE?

There are several basic requirements for good quality concrete: good materials--cement, aggregate, admixtures and water; proper proportioning of these materials; thorough mixing; skillful placing and finishing; and proper curing. All of these requirements are important, and failure to satisfy any one of them will often result in a reduction in quality.

WHAT ARE THE TYPICAL CONCRETE REQUIREMENTS FOR AROUND-THE-HOUSE FLATWORK--PATIOS, WALKS, DRIVEWAYS?

The contractor should provide the ready mix producer with the following basic information: maximum size of coarse aggregate; slump of the concrete; strength required; and air-entrainment. A summary description of the concrete to be used for most work around the house would be a strength of 4000 psi, a slump of 5 inches and an air content of 6 percent.