How to fix asphalt shingle cracks

After a series of cracks appeared in a suburban asphalt shinging factory, the ABC decided to investigate.

The ABC was interested in how the cracks had developed and whether they could be fixed.

The first crack was spotted at a location on the outskirts of Newcastle about a year ago.

A video taken inside the factory showed workers working to fix a second crack.

The company is now in the process of replacing the factory.

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