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    Construction Performance Guidelines

About the Guidelines

These helpful guidelines outline work and material deficiencies in new homes and residential condominium units covered under the statutory warranty [...]

Concrete Surface Scaling

Article Number

1.7

Condition

CONCRETE SURFACE SCALING

Acceptable Performance/Condition

Concrete surfaces shall not disintegrate to the extent that the aggregate is exposed under normal use.

Warranty

One-Year – Work and Materials

Action

The concrete surface shall be repaired.

Remarks

Some architectural finishes deliberately expose aggregate; this would not be considered scaling. Scaling of exterior concrete surfaces including concrete porches, walkways, garage floor slabs, steps (including precast), etc., most often results from salts and de-icers being applied to the concrete surface, e.g. either intentionally for ice melting or unintentionally from road slush deposits. Cleaning salt deposits off concrete surfaces is normal home maintenance. Feathering the edges of patch materials, which creates a weak edge or installing the patch material too thinly should be avoided. Manufacturer’s installation guidelines should be followed. Concrete is generally not susceptible to scaling in a one year timeframe due to exposure to salt. Deep deterioration that exposes reinforcing would not be considered scaling but rather a structural degradation. This may merit further investigation. Mechanical abrasion caused by the actions of the homeowner is not warranted.

  

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