Cedar planks are great for the outdoors, they do not rot and are flea deterrent. The standard planks are a milled 1" thick by either 8" or 12" wide. Milled wood is slightly smaller than the measurements given. 

• Wood for the floor does not require hardware and lays securely in place.
• Planks only, no hardware needed. Easily lays in place with an estimated gap of 1/2" between each plank.
• 1"x8" cedar is used for the floor. When the floor dimension requires it, other widths of cedar may be used.
• 8" wood is nominal 1x8 = Actual size is 7.25" x 0.875"