Crack filling & sealing on asphalt pavement in Arden Arcade

Crack Filling

Crack Filling & Sealing Overview

Pavement cracks need to be filled and/or sealed to prevent water from entering sub-grade layers. Special rubberized materials are applied to the cracks, which seals the pavement and helps to prolong its life. Pavements in different climate zones, with different construction types, and with different traffic loadings experience different types of cracking, which require different types of crack filling & sealing materials and methods.

*Properly designed and installed crack seals can last between 3 and 5 years or more, helping to increase pavement life.


Crack Filling & Sealing Contractors – CPM

California Pavement Maintenance Company has repaired cracked pavements from Alaska to California. Our trained and experienced contractors can provide you with quality crack filling & sealing work. They will assist you with a long-term pavement maintenance plan that will extend the life of your pavement and save you money.

Pavement Crack Treatment Types

Pavement crack treatments are generally used for pavements with low and moderate severity cracking. Your contractor should examine your pavement to determine if, and which, crack treatment is appropriate to use.

Crack Filling

Filling treatments are used for pavements that primarily have non-working cracks (less than 1/8 inch or 3.175mm annual movement). Filling treatments generally consist of cleaning the cracks and placement of appropriate material in a fill and slight overband application. Filling treatments are generally used for cracks spaced at less than 20 feet (6.096m) for block, random closely spaced thermal, and longitudinal cracking.

 

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Crack Sealing

Sealing treatments are used for pavements that primarily have working cracks (greater than 1/8 inch or 3.175mm annual movement). Sealing treatments consist of creating a widened reservoir to provide proper geometry and placement of flexible material that can accommodate the expected movements. Sealing treatments are generally used for thermal cracking spaced at over 20 feet (6.096m). For all sealing or filling installations, the treatment material needs to have appropriate properties for the specific temperature ranges at the project site.

Crack Filling & Sealing Materials

Hot-applied rubber and polymer modified asphalts are the most widely used materials for crack treatment; however, unmodified asphalts and emulsions, polymer and rubber modified asphalts, and chemically curing polymeric materials are also used. Pavement crack treatment materials should be chosen based on the climate in which they will be used and need to be able to accommodate expected movement. Proper materials are available for use in all climatic areas.

Crack Fill & Seal PDF

Applying Pavement Crack Treatments

Application consists of 3 basic steps – cleaning the cracks, cutting the reservoir if needed, and installing the material. Cleaning is generally accomplished using compressed air. Reservoir cutting is performed using a crack saw or router that can cut varying widths and depths as required. Hot applied products are heated to the appropriate temperature in a melter unit equipped with agitation and a temperature monitoring device. The heated material is then pumped into the crack or placed using pour pots or wheeled applicators. Cold applied materials can be installed using pour pots, or other containers. For all installations, cracks must be clean and dry for the best performance.

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