The Resilience of Mastic One®

May 19, 2021

Asphalt pavement resurfacing is generally performed one lane at a time. One lane is paved followed by the paving of the adjacent lane with a cold joint between the two lanes. The cold joint moves horizontally with the change in weather, from closing in the summer when it is warm to opening in the winter when it is cold, and vertically with traffic loads. Along the longitudinal cold joint wide cracks (> 3.81 cm / 1.5 in.) form and raveling takes place. Raveling at a longitudinal pavement joint is one of the most common asphalt pavement failures. Achieving maximum durability and performance along these joints can be a major challenge. The distressed section of Northwest Anthony Henday Drive in Edmonton, Alberta, had been repaired previously with a hot mix asphalt patching repair that did not perform. 

Mastic One® is specially designed for wide cracks and distressed surface areas, in both Asphalt Concrete and Portland Cement Concrete Pavements, that are too small for re-paving, but too large for crack sealant. To provide a long-term repair to the deteriorated longitudinal joint along Northwest Anthony Henday Drive, Mastic One® was applied using a Crafco Patcher II and a drag box. A unique, hot-applied polymer modified asphalt-based material with engineered aggregate, Mastic One® is a highly adhesive, flexible, durable, and waterproof mastic with a service life exceeding 5 years— making it the preferred repair material.

21,455 kg (47,300 lbs.) of Mastic One® was installed along 10,000 linear meters (6.21 linear miles) of Northwest Anthony Henday Drive. The longitudinal repairs performed were 3.8 cm to 12.7cm (1 ½” to 5” in) in width.

“Nearly 4 years since initial application and Mastic One® is looking like it was just applied, has performed as engineered, and has become another tool in the toolbox for annual pavement preservation programs,” stated Carmacks Maintenance Services operations staff. We are highly impressed with the ease-of-use and few crew members needed to apply such a good product and promote the use of Mastic One® to Alberta Transportation and surrounding areas. The resilience of Mastic One® is fantastic as it has endured a high amount of traffic and punishingly hard weather,” Carmacks added.

The project has been ongoing since 2018, with Mastic One® now used as a staple in their pavement preservation program. The intention is to continue with Mastic One® maintenance program and apply more material in 2021 and onward.

Editor's Note: Scranton Gillette Communications and the SGC Infrastructure Group are not liable for the accuracy, efficacy and validity of the claims made in this piece. The views expressed in this content do not reflect the position of the Roads & Bridges' Editorial Team.

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