Casters with Hardware
- 4 × 4-inch heavy-duty casters
- 16 × 5/16" x 2" hex bolts
- 16 × 5/16" nuts
- 16 × split washers
- 16 × flat washers
Screws
- #10 x 2.5" wood screws (primary structural screws)
- #8 x 1-5/8" wood screws
- 1" self-drilling screws (for metal tie plates)
Lumber (Pressure-Treated)*
- 5 × 2x10 x 8 ft
- 6 × 2x4 x 8 ft
- 2 × 2x4 x 10 ft
- 1 × 1/2" pressure-treated plywood sheet (If you are building for a neighborhood I highly recommend 3/4' plywood to reduce noise.
Construction Hardware
Optional (but smart)
- Exterior wood glue - industrial wood glue will provide a tighter seal between the plywood and the 2x10s which reduces noise.
- Outdoor sealant (extra longevity)
* Note: Pressure treated lumber is often moist when you buy it and can be up to 50% heavier than it will be once it dries out.