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.
Cost: Prices vary considerably by region. Figure on $1 to $2.50 per square foot for the base coat. Geotextile and drains cost extra. Then add $1 to $2.50 per square foot for a plain topcoat, about $3.50 for chip seal or $3 to $5 for a stamped or colored topcoat.If you're putting in a driveway where none existed, add $1 to $2.50 per square foot for an 8- to 10-in. gravel layer beneath the asphalt.Recommendations: Remember that an asphalt topcoat is only as good as the base and lasts longest with proper drainage.hen add $1 to $2.50 per square foot for a plain topcoat, about $3.50 for chip seal or $3 to $5 for a stamped or colored topcoat.