Diy Wood Walkway . There are a variety of low cost options such as pea gravel, pavers, flagstones, bark, wood and pebbles. The upper and lower posts were to be connected with a 2 x 4 support beam which the boardwalk planks would screw right into. Pin by Pam on Aménagement extérieur Diy garden paths and walkways from www.pinterest.com 10 easy diy pathways & walkways. These projects can be simple and elegant, as well as functional and durable. The small yet cozy outdoor patio in the picture above features comfy cushioned lounge furniture on a circular arrangement of red flagstone.