Costs
Otta seal is considered to be a low cost seal. With its low initial cost and less demanding maintenance, it is a very cheap alternative for road surfaces. The cost for a double layer Otta seal is about US $2.00 to US $2.70 per square meter (US $2.40 to US $3.25 per square yard) and will last from 8 to 15 years. For a road that is 1.6 km (1 mile) long and 12 m (40 feet) wide it would cost between US $39,000 to US $52,000.
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