It provides an economical all- weather surface for light to higher volume traffic depending on the emulsion and quality of aggregate used. It also provides a waterproof barrier that prevents the intrusion of moisture into the underlying materials and provide a skid resistant surface. It gives new life to a dry, weathered surface. A weathered, raveled pavement can be restored to useful service by application of a single or multiple surface treatment.
The asphalt emulsion is a mixture of asphalt cement, water, and an emulsified agent. It’s composition is approximately 66% AC, 33% water and 1% emulsifier. It is applied with a computerized distributor, at rates varying from 1.30kg/ m² to 2.00kg/ m² . The most commonly used emulsions are HF150, HF150P (Polymer), HFMS-2, and CRS-2. Other emulsions are available for specific applications.
The Aggregate is divided into six different classes.
It is applied with a computerized chip spreader at rates varying from 12kg/ m² to 22kg/ m² .
These operations are immediately followed by rubber tired rollers, and depending on the application, a steel drum roller.
Duncor Enterprises Inc – Ontario Road Surface Treatment Company.