New pre-board inspection aims to reduce warranty claims on building envelopes

All residential developers and home builders are required to apply for the appropriate development and building permits when constructing new residential properties in Calgary.

Over the past three years, The City’s Building Inspection team has noted a 350 per cent increase in Alberta New Home Warranty claims for building exterior envelope failures. Typically, the exterior envelope is constructed prior to installing the insulation and vapor barrier.

To help identify possible issues and reduce the number of failures, The City is now conducting envelope ‘pre-board’ inspections. When a residential developer or builder submits a request for a framing inspection, City inspectors may defer the inspection to the ‘pre-board’ inspection phase. The framing inspection will be noted as ‘not acceptable’, with instructions to schedule an envelope (insulation/vapour barrier) inspection.

There are no additional fees for conducting the initial building envelope inspection. However, if both the initial building envelope inspection and follow-up inspection fails to pass, a $150 fee will be charged for each subsequent envelope inspection. Failure to schedule a building envelope inspection, when requested by a City inspector as a re-call on a framing inspection, may result in a $150 reinspection fee.

Categories: Building, Development, Inspections


This information has no legal status and cannot be used as an official interpretation of the various bylaws, codes and regulations currently in effect. The City of Calgary accepts no responsibility to persons relying solely on this information. Web pages are updated periodically. ​

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