Small sheds often use a concrete slab as a floor. If you're using wood as a deck, it requires a level foundation or piers to support the floor deck. According to Popular Mechanics magazine, the floor is the most important part of the shed structure and warrants the highest quality materials. A do-it-yourselfer with moderate skills ands standard tools can build a quality floor deck for a shed.
Things You'll Need
- 2 2-by-6-inch treated boards, 14 feet long
- 15 2-by-6-inch treated boards, each 10 feet long
- 16d box nails
- Size 8 cement-coated nails
- Five sheets 3/4 inch 4-by-8-foot exterior plywood
Lay out the foundation for the shed and mark the building corners with stakes or paint marks and place the foundation materials in place. Solid concrete blocks or pressure-treated wood beams or timbers are often used. Place the foundation pieces evenly under the planned shed space with the foundation supports providing contact on at least two points on each side of the 10-by-14-foot deck frame. Level the skids or blocks in both horizontal directions using a 4-foot carpenter's level.
Build a frame of the floor deck. Use 2-by-6-inch treated lumber to build a 10-foot by 14-foot perimeter frame. Connect the corners with three 16d box nails at each corner.
Measure distance between the two 14-foot perimeter boards. Cut 13 2-by 6-inch treated boards to this length. These boards will be the floor joists.
Locate the positions for each floor joist on each side of the 14-foot long perimeter frame. Start measuring at the outside of one of the end pieces and mark at 16-inch intervals.
Nail the floor joists to the perimeter frame pieces, centering the top of the floor joist on the mark from the previous step. Use three 16 box nails at each end of each floor joist.
Cover the floor joists with 3/4-inch exterior grade plywood. Nail the plywood to the joists and framework with cement-coated size 8 nails. The cement coating serves as a glue to hold the nails firmly in the joists.
Tips & Warnings
- Position the timbers or cement blocks of the foundation high enough to allow air circulation under the framework of the floor deck structure. The air circulation helps dry out the materials and prevent decay of the wood.
- Build large sheds, usually larger than 200 square feet, on permanent concrete foundations, according to Popular Mechanics magazine. Also, check all local building and zoning ordinances and acquire any necessary permits before starting any building projects.
- Photo Credit winter shed image by Paul Coskery from Fotolia.com
How to Build a Shed Frame
Building a shed frame is the basis for any type of shed you plan to build. Once you have the frame built,...
How to Build a Wooden Shed Floor For Storage
The foundation of a wooden shed floor is set upon concrete supports. The joists and side board assembly are mounted upon the...
How to Lay Out a 10X10 Plywood Floor for a Shed
Ideal flooring options for sheds involve a type of floor that is mobile in case the shed needs to be relocated. But...
How to Build a Floor for a Metal Storage Shed
Metal storage sheds are inexpensive options for quality, outdoor storage. Most units are sold in pieces for assembly on site without flooring...
How to Build a Wood Floor for an Arrow Metal Shed
Arrow sheds come in a variety of styles, designs and options. A floor frame kit, which is constructed of steel members to...
How to Build a Wood Foundation for a Storage Shed
A sturdy foundation is the key to a long-lasting storage shed. Do-it-yourself home owners with solid carpentry skills will find building a...