Larger floor frame kits include instructions that suggest specific layouts for the plywood. follow the instructions for best results. to cover a shed base framework, use the same methods.. How to install your floor kit for an arrow shed 10x8.. Recommend the combined use of an arrow floor frame kit and an arrow anchoring kit as an effective method of securing your building to the ground (available by mail order or at your local dealer) or you may construct a foundation and anchoring system of your choice. your assembly instructions provide information on a few methods commonly used.