Limestone Treads are loose

Old 05-27-05, 12:14 PM
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Unhappy Limestone Treads are loose

We had our steps repaired(3 years ago) and the job did not last. The limestone treads have loosened from the underlying mortar. What is the proper concrete for anchoring a stone step? Even the mortar between the joints became loose as well as the riser mortar. The steps are on the northeast side of the house and does not get a lot of sun. Did this play a part in the demise of the concrete?
Old 05-29-05, 05:52 PM
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Location: Taylors, SC
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If the stones were not seated properly in the bed of mortar, they would work loose from the action of walking on them. I would recommend removing the stones and cleaning off the old mortar prior to reinstalling them. If your environment is alternatingly wet and freezing, then this action would tend to work them loose if moisture was retained in the mortar during freezing.
Old 06-01-05, 08:52 AM
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Thanks Chris

I am planning on having the treads reinstalled and have the steps sealed with a concrete sealer.

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