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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 [...]

A3: Moisture and Windows

This chart identifies the maximum relative humidity for a given inside temperature above which condensation will form on windows. For additional information, see the following guides: “Moisture and Air, Problems and Remedies” by Canada Mortgage and Housing Corporation, or “Fenestration Products: Condensation and Humidity” by Natural Resources Canada.

Maximum Relative Humidity Table
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