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Concrete should be at least 2 inches thick to maintain its stability and quality. Most concrete slabs fall between 4 and 6 inches thick, but you should be careful not to make the new slab too high or heavy. If you're considering a stamped concrete overlay, hire an experienced stamped concrete contractor to determine the ideal concrete thickness.

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.

Yes, it's typically best to set aluminum fence posts in concrete. You can technically use a mix of gravel and soil instead, but concrete is more stable and secure. Concrete also lasts longer and does a much better job of withstanding the outdoor elements than a gravel or soil mix.

The most idyllic building material that encapsulates the feel of Federal architecture is a brick facade, often with bricks alternating between long side and short side. Palladium and arched transom windows are also prevalent, as are flat, white window lintels. More ornate Federal architecture buildings also include columns on either side of the front door. More important than most of the finer details, though, is the symmetry from the exterior. On the interior, ornate plaster moldings and plaster ceiling medallions are indicative of the style.