Diy Raised Bed Cover . Measure your raised bed or row to determine the width you’ll be making your pvc hoop cover. When you have all the materials together it takes. DIY Raised Garden Bed With Cover The OwnerBuilder Network from theownerbuildernetwork.co For the purposes of this post, my raised beds are approximately 5 feet by 5 feet. Afterward, screw a 2×2 board across the center of the frame to. When you have all the materials together it takes.