Wooden Diy Outdoor Sectional . So, we can create diy pallet sofa. It should be noted that outdoor sofas can be expensive if bought from a store. Oana 4pc Acacia Wood Sectional Chat Set w/ Cushions Beige from www.pinterest.com Diy solid wood outdoor sofa. Each arm should consist of five different cedar 2×4 pieces. You can better enjoy your backyard space.