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.
Take a look at the graph below. Over 31 years, you would spend just a total of $3.00 per square foot to sealcoat your asphalt. That's $0.50 per square foot once every 5 years. The alternative to sealcoating is to let your asphalt degrade until it needs to be repaved. Repaving can cost about $5.00 per square foot.That's 10 times as much as sealcoating! Thus, over a 31 year span, you'd need to repave twice, for a cost of $10.00 per square foot.ake a look at the graph below. Over 31 years, you would spend just a total of $3.00 per square foot to sealcoat your asphalt. That's $0.50 per square foot once every 5 years. The alternative to sealcoating is to let your asphalt degrade until it needs to be repaved. Repaving can cost about $5.00 per square foot.