YES! Perma-Patch®, an all season, all weather, permanent
asphalt patching material manufactured in Baltimore, used throughout the
United States and internationally with extraordinary success. Easy to
use, no mixing, no special pothole preparation, displaces water and accepts
immediate traffic.
Most durable for permanent repairs, Perma-Patch bonds permanently to asphalt,
concrete, steel, wood and other hard surfaces.
Available in easy to handle bags, pails, or in bulk. Bags have a minimum
shelf life of two years, while bulk can be stored for a minimum of one
year.
Excerpts from Strategic Highway Research Program SHRP-H-348 of
the National Research Council
In project H-105, "Innovative Materials and Equipment for Pavement
Surface Repair," the researchers conducted a massive literature review
and a nationwide survey of highway agencies to identify potentially cost-effective
repair and treatment options. The information and findings from this study
were then used in the subsequent field experiments conducted under project
H-106, "Innovative Materials Development and Testing."
In the H-106 project, the installation and evaluation of many different
test sections were conducted to determine the cost-effectiveness of maintenance
materials and procedures. Test sections were installed at 22 sites throughout
the United States and Canada between March, 1991 and February, 1992, under
the supervision of SHRP representatives. The researchers collected installation
and productivity information at each site and periodically evaluated the
experimental repairs and treatments for 18 months following installation.
As asphalt pavements age and deteriorate, the need for corrective measures
to restore safety and rideability increases. Funding for rehabilitation
and overlay of these pavements is not likely to keep up with the demand,
requiring more agencies to use the most cost-effective methods when patching
distressed areas. The patches will also be expected to survive longer
and carry more traffic loadings.
The cost most commonly associated with pothole patching is the cost of
purchasing material. This is usually one of the least significant contributors
to the overall cost of a patching operation. However, the material used
for patching does impact the cost of the overall operation when there
are differences in performance. More expensive materials that are placed
with less effort and last longer can reduce the cost of the initial patching
effort, as well as the amount of repatching needed. This reduces the labor
and equipment costs for the overall operation.
Failure Rate of Commonly Used Pothole Patch Material
These graphs shows the percentage of failure of the materials chosen from
the study by the Federal SHRP Project, 18 months and 4.65 yrs, respectively
after installation. They show Perma-Patch® to have the
superior durability of all of the innovative materials tested. Slightly
ahead of Perma-Patch® is the technique of spray injection
using very expensive specialized equipment which is often unavailable
due to mechanical difficulties and requires skilled operators. The graphs
are taken from "Innovative Materials Development and Testing, Volume
2: Pothole Repair", in the SHRP-H-353 report of the Strategic Highway
Research Program as reported by the National Research Council, Washington,
D.C., 1993.