I m sure you re wondering how to build a shed floor. Make sure the floor framing is square.
This is the likeliest spot that will see moisture.
How to build a shed floor. Set rim joists on shed foundation. Use pressure treated lumber for the bottom plate of all shed walls when you build shed on concrete pad. To keep your measurements simple make the spacing between the vertical studs identical to the spacing between your floor joists.
If i was building a shed on a very steep slope and was not going the route of building a retaining wall and back filling it to create level spot i would cement 4×6 posts deeply in the ground and create a framework of angled supports fastened from the risers to the floor frame. How can i make the floor stronger. And finally you can add another layer of plywood or 2 on top of the existing one.
Put a few more skids underneath and more blocks under the skids making them closer together will add a lot of strength. Nail outer floor joists to rim boards. Cut all floor joists to proper length along with your 2 rim joists and two band boards and skids.
Double up the top plate of your shed walls to comply with building codes. The rest of the wall can use non pt studs. For the joists is about as strong as you can get.
You can make the floor stronger by putting the skids blocks and joist closer together. Install the floor sheathing attach the plywood or osb sheets to the shed joist system. Also cut your 4 x 4 skids to length.
The sheets should run at 90 degree angles to the joists. Make the top and bottom beams a k a. Gather the proper lumber to cut your floor joists rim joists and 2 two band boards and 4×4 skids.
Install the rest of floor joists. Measure and cut rim joist and floor joist boards from 2 6 treated lumber. Buy the plans to build this shed.
Then you could use larger joists like 2 8 or 2 10. Build the framework for the back wall. Attach the joist hangers to rim joists.
Nail the sheets into place on the rim joists and onto the floor joists. The plates the same length as the length of the floor which they sit.