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.
Professional Sealcoating. Sealcoating asphalt can range in price depending on your particular geographic region. Prices for asphalt sealing generally range from $0.08 to $0.30 per square foot. It also costs from $0.50 to $1.00 per linear foot to fill cracks with asphalt crack filler.These prices are significantly less than the price of asphalt driveway replacement.or Handy Andy to come out ahead, let's take a look at what he'll spend on upkeep. The most important part in avoiding a new driveway paving is to sealcoat every 2 to 3 years. That same 600 square feet will cost around $130 to seal. That's an asphalt driveway maintenance cost of $1,560.