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Most of the time, you or your contractor will spray the concrete form and framework with a release agent or oil to prevent sticking. This is common practice with wood and steel forms. For insulated concrete forms, the styrofoam formwork often remains in place after construction, so you don’t need to treat it beforehand. Foam concrete forms made out of melamine also may not need treatment beforehand, as the material naturally won’t stick to the concrete after it’s cured.

The ideal base for concrete is even, firm, and permeable to encourage drainage. Depending on your project's weight requirements, a combination of gravel, sand, or other aggregates is best. While you can technically pour concrete over grass, dirt, or an old piece of concrete, you risk threatening the concrete's stability.

Costs range from $5,000 to $15,000, depending on size, material, and design complexity.

Yes, you can pour concrete if it rained the day before, but you’ll need to drain the construction site to ensure there isn’t standing water where your slab will sit. You might need to manually remove any puddles and set up drainage on your site to dry it before pouring. Moist soil won’t be an issue, but standing water will throw off your concrete mix ratios. Additionally, ensure there isn’t more rain expected in the near future before you pour.