Construction Performance Guidelines
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About the Guidelines
These helpful guidelines outline work and material deficiencies in new homes and residential condominium units covered under the statutory warranty [...]
PIPE HANGER/SUPPORT IS CORRODED
Metal pipe supports and hangers may show signs of corrosion; this is not considered a warranty issue as it is a normal condition associated with exposed metal materials.
This item pertains to mild steel supports. Other, more corrosion-resistant materials could be called for in the design.