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The International Building Code requires individual step risers in a residential staircase to measure between 4 and 7-3/4 inches and the maximum rise of a staircase not to exceed 12 feet between landings. Individual step treads can’t be less than 10 inches deep.

Concrete should be at least 4 inches thick for steps. This thickness boosts stability and prevents cracking and deterioration. After you’ve built your forms out of wood, fill the void with a sand or gravel base for concrete. Use an all-purpose concrete mix to form your steps. After pouring your concrete steps, be sure to screed and float the concrete. 

The size of your driveway apron will vary based on your town's building codes. On average, they range between 12 and 24 feet wide and eight to 15 feet long. One end of the apron usually matches the width of the driveway—10 to 12 feet wide for a single-car driveway—while the street end flares out to allow cars to turn in and out.

It’s technically possible to install your own patio, but we don’t recommend it. Installing a patio is labor- and time-intensive, and getting the end product to look professional demands patience and experience. Not only can mistakes lead to unevenness in your patio and expensive repairs, but not grading the surface properly can cause issues with water management, potentially leading to leaks in your home, foundation damage, and flooding. It’s more expensive to hire a patio company, but it’s usually well worth the investment to avoid costly mistakes.