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Yes, you should seal your exposed aggregate concrete to keep it protected from the elements and reduce the risk of cracking and concrete spalling. You’ll need to invest in the cost of resealing your concrete about every three years to keep it in good condition. Unsealed exposed aggregate concrete is susceptible to water damage, stains, chips, cracks, and abrasion. Sealers are available in various finishes and levels of gloss. Outdoor exposed aggregate concrete should be sealed with a non-yellowing, UV-resistant sealer to preserve the look of the finish.

Efflorescence can damage a concrete slab for two to three years. After that, it resolves on its own once the surrounding salts are gone.

Concrete homes have better fire resistance because this material is highly resistant to fire and heat. But any paint, siding, windows, roofing, or other materials on a concrete home may still be flammable. Never try to stay in a building with a large, active fire or a wildfire approaching because this can still be deadly. However, building a fireproof home with concrete can better protect the structure against total destruction.

The average thickness of a concrete basement floor should be 4 to 6 inches. The thickness of a concrete basement floor depends on your area’s building codes, the type of concrete you’re using, the load capacity, and the base flooring materials. Most residential basements require a minimum of 4 inches for standard foot traffic and light storage.