Replacing Cement Tile Siding

By Barry Stone
Dear Barry,

We have cement tile siding and have been told that it contains asbestos. Some tiles have fallen off or are loose and need to be replaced or reattached. We are reluctant to do anything because we are concerned about asbestos health hazards. What are your thoughts on this issue? Can we do the work ourselves, or do we need to hire specialists? If specialists are needed, what qualifications are required? - Judy

Dear Judy,

The tile siding on your home consists of a material called transite, a composite of cement and asbestos fibers. Since the asbestos is encapsulated in a solid medium, fibers are not readily released into the air. Therefore, transite is not regarded as a significant health hazard if left alone. Abrasive processes, such as sawing, drilling, grinding, scraping, or sanding are the only likely means of producing dust that would be unsafe to breathe.

If the tiles can be resecured without releasing asbestos fibers, you should be able to perform the necessary repairs without adverse consequence. However, work that might release asbestos fibers should be referred to a licensed asbestos abatement contractor. If you choose to do the work yourself, consult an asbestos abatement contractor for an evaluation of the situation and for advice regarding appropriate safety procedures.

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