FEATURES AND BENEFITS
◙ CAN BE USED WITH DAMP AGGREGATE, WHICH IS ACTUALLY PREFERRED
◙ ENVIRONMENTALLY FRIENDLY PROCESS, DO NOT NEED ELEVATED TEMPERATURES
◙ LOW EMISSIONS ELIMINATING FIRE HAZARDS AND AIR QUALITY PROBLEMS
◙ CUSTOM FORMULAS FOR EXISTING ENVIRONMENTAL CONDITIONS
◙ POLYMER MODIFIED EMULSION CAN BE USED TO ENHANCE ASPHALT PROPERTIES
◙ RENEWS WEATHERED PAVEMENTS
◙ DELINEATED SHOULDERS FROM TRAFFIC LANES
◙ IMPROVES SKID RESISTANCE AVAILABLE IN VARIOUS TEXTURES
◙ FINE AGGREGATE TREATMENT CAN IMPROVE STREET SWEEPING
◙ REDUCES RAVELLING
◙ RESTORES A UNIFORM COVER
◙ PREVENTS INTRUSION OF MOISTURE AND AIR
◙ SEALS VERY SMALL CRACKS AND SURFACE VOIDS
◙ ENRICHES AND COATS WEATHERED AGGREGATE PARTICLES AT THE SURFACE
FEDERAL ASPHALT PRODUCT & SERVICES
Asphalt seal coating is a broad term used to describe several types of asphalt-aggregate applications, usually less than 25mmthick and applied to any kind of road surface. The road surface may be primed, granular base, or an existing asphalt or Portlandcement concrete pavement. The treatment can be placed in one or more lifts and in combinations of types. Available raw materials cost and treatment lifecycle will have a large impact on the process chosen.
A chip seal is commonly referred to as a seal coat that is primarily made up of one size aggregate that can be either washed ordusty. The aggregates can range in size from 19mm to 4.75mm. Generally the largest particle should be no more than twice the diameter of the smallest one. Aggregates gradation and type will dictate application rates for aggregate and emulsions along with the type of emulsion.
GRADED AGGREGATE SEAL
A graded aggregate seal is defined as a seal is defined as a seal coating using a well-graded aggregate rolled into a high floatemulsified asphalt, sometimes referred to as a dense graded seal. A typical gradation is 98% less than 16mm with 2-7% passing the 75mm sieve. Aggregate gradation will determine application rate of emulsion.
A sand seal is a spray application of asphalt emulsion followed with a light covering of fine aggregate, such as sand or screenings. Although this is a simple operation it can be very useful in correcting a number of pavement flaws. Emulsion is usually sprayed between 0.7 to 1.25 l/m2 and sand is placed 5.5 to 12kg/m2 as a cover.
A fog seal is a light application of asphalt emulsion to an existing paved asphalt surface. This type of maintenance treatmentis primarily employed as an impervious sealer that will slow the rate of weathering of the asphalt in the underling pavement.
• Sarnia - Tar & Chip
• Windsor - Tar & Chip
• London - Tar & Chip
• Hamilton - Tar & Chip
• Toronto - Tar & Chip
• Niagara Falls - Tar & Chip
• Peterborough - Tar & Chip
• Owen Sound - Tar & Chip
• Kitchener - Tar & Chip
• Brantford - Tar & Chip
• Collingwood - Tar & Chip