Also, plants put the water together with carbon dioxide to make sugar. This takes energy, which plants get from light. Water also helps plants stand up tall, even when they arenât made of wood. They donât have bones, but they do have cell walls and water pressure.
The average cost to sealcoat an asphalt parking lot with either asphalt or coal tar emulsion pavement sealer ranges from $0.14 - $0.25 per square foot.he average cost to sealcoat an asphalt parking lot with either asphalt or coal tar emulsion pavement sealer ranges from $0.14 - $0.25 per square foot.
High-performance topical coatings, such as epoxies and urethanes, will cost more -- typically $0.50 to $2.50 per square foot. In most cases, the investment in a sealer is well worth the expense, when you consider that the cost to replace concrete is generally $7 to $8 per square foot.