http://www.AsktheBuilder.com founder, Tim Carter, shows why it's so important to backfill dirt around the concrete piers before you build the wood floor. If you get ahead of yourself, you'll be on your belly with buckets trying to get dirt under the floor. For more DIY Shed building tips and information and to PURCHASE the actual plans for the shed in this video, click the following links: SHED PLANNING: http://www.askthebuilder.com/how-to-plan-a-shed/ SHEDS for STORAGE: http://www.askthebuilder.com/storage-sheds/ GARDEN SHEDS: http://www.askthebuilder.com/garden-sheds/ SHED RAMPS: http://www.askthebuilder.com/shed-ramps/ PURCHASE ACTUAL SHED PLANS: http://shop.askthebuilder.com/deluxe-two-story-shed-plans/