In this article, find out if a deck or a patio is cheaper. by Laurie L. Dove A treated lumber deck, on the other hand, cost about $7 or $8 per square foot for
about $10630 (16'x20'). Find here detailed information about build deck costs. Cost to build a deck varies greatly by region (and even by zip code). Get free
Building a deck is the ultimate backyard DIY project. Product costs, availability and item numbers may vary online or by market. The foundation and 4 x 4 posts; 2 x 10 beams; 2 x 4 diagonal bracing; 2 x 8 framing and joists; 5/4-inch
You may not need to get the quantities exactly right, but you can get close by using the Add 10 percent to framing and 15 percent to decking to allow for waste.