Five Solid Foundations for Your Garden Shed

A level, stable base prevents doors from binding, walls from racking, and floor joists from rotting. Pick the method that matches your skills, budget, and site.

1. Pressure-Treated 4×4 Timber Skids

Fast, cheap, forgiving. Level on gravel bed, spike or bracket together. Build floor frame directly on top. Cedar or redwood also work.

2. Compacted Gravel Pad in a 2×4 Form

No wood contact with soil. Frame with 2×4s, stake corners, fill with ¾" crushed stone, tamp in lifts while damp. Leave form as permanent edging.

3. Concrete Pavers or Patio Blocks

DIY-friendly if you've laid a patio. Extend pad 12–18" beyond shed for potted plants. Connect to existing walks for cohesive look.

4. Concrete Deck Blocks

Place at corners and mid-spans under floor joists. Level each block individually. Fastest for slightly sloped sites.

5. Poured Concrete Slab

Most permanent. Form with 2×4s, order ready-mix (many suppliers deliver small loads), screed with a 2×4, broom-finish for traction. Cure 7 days before building.

Any option works if executed carefully. The shed's longevity starts here.