Products/Services: CalTrans 37-2 Slurry Surfacing

Slurry seal is an asphalt slurry mixture made from closely graded fine aggregate, emulsified asphalt and water, all carefully calibrated and mixed to form a mortar-like compound. This mixture is designed for easy and efficient spreading as a sealer on streets, playgrounds, parking lots and driveways. Slurry seal fills all voids, cracks and eroded areas and furnishes a 3/16" wearing course over the asphalt surface. This heavy coat serves as a proven sealer and an extremely durable, non-skid surface.

Preparing the Surface Laying Slurry

Preparation

The asphalt are will be thoroughly cleaned using a Power Sweeper or Power Blowers to remove all dirt and loose particles. All weeds and vegetation will be removed by any method necessary. Grinding, torching, scarifying or scraping with a shovel will remove accumulations of oil and grease in car stalls that may adversely affect the Slurry Seal bonding. An application of ëPoly-Oil Sealí will be applied if necessary to any extreme areas, and then blotted with sand to ensure the best chance of bonding between Slurry Seal and the heavily greased-soaked oil spot.

All drains, utility covers, monuments and manhole covers will be protected using duct tape and building paper.


Application

Slurry Seal will be applied with trucks mounted with continuous mixing machines. These trucks are large and not easily maneuvered around in tight areas. Please make sure all vehicles are parked well of the work area. When applying Slurry Seal to small areas we will be using hand squeegees and other tools.

Drying time for Slurry Seal is estimated at 3-6 hours or longer depending on weather conditions. Please make sure everyone stays off the material until the barricades have been removed.

Slurry Surfacing machine applications. Turning Arrow

IMPORTANT NOTES!

Please make sure all vehicles are off the property prior to the agreed upon start time and not allowed back until barricades have been removed. Any cars still parked are the responsibility of the owner and must be towed. Make sure the LANDSCAPE IRRIGATIONS IS TURNED OFF at least 24 hours before and after Slurry Seal is applied. The material is sticky and can be tracked into buildings, please make sure everyone affected obeys all signs and traffic controls.

Slurry Seal has an unfair reputation as a course, rough aggregate sealer that should only be used on highways. There are finer types of Slurry Seal that work well when put down on the right pavement conditions and with the right application. However, Slurry Seal is rougher and thicker than Sealcoat and therefore, tends to show more ëcosmetic imperfectionsí such as power steering marks. These subside in a couple of months. Other conditions include raveling (loose rocks from the surface, that might come off during the first couple of weeks), ridges and squeegee marks (all knead in with time), and discoloration (blends in after usage). These are superficial conditions and most likely will not be apparent after the Slurry Seal ages.


Material

Slurry Seal is an asphalt slurry mixture made from a closely graded fine aggregate, emulsified asphalt and water are carefully calibrated and mixed to form a motor-like compound (should this be mortar?) This mixture is designed for easy and efficient spreading as a sealer on streets, playgrounds, parking lots and driveways. Slurry seal fills all voids, cracks and eroded areas and furnishes a 3/16î wearing course over an asphalt surface. This heavy coat serves as a proven sealer and an extremely durable, non-skid surface.

PLEASE NOTE: slurry seal has earned a reputation as a low-cost, high quality, long wearing application, however, it is sometime imitated by combining various other sealcoats with sand and calling them ëSlurryí.


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American Asphalt
27601 Industrial Blvd. Hayward CA 94545 / 1 800 541 5559 / www.americanasphalt.com