PERFORMANCE GUIDELINES: 4. EXTERIOR FINISHING

4.15 Efflorescence Is Present on Masonry Surface

Acceptable Performance/Condition

Efflorescence is the formation of a white crystalline deposit on the surface of masonry when moisture evaporates from the surface.

A certain amount of initial post-construction efflorescence is a normal condition.

Excessive amounts of efflorescence that recur after construction-related efflorescence has been removed may be an indication of unintended moisture penetration. Minor amounts of efflorescence may occur on masonry surfaces after completion of the building and may return once the initial cleaning has been completed.

Large concentrations of efflorescence that recur after initial cleaning and that are visible from a minimum distance of 6 m (20’) under normal lighting conditions and from a normal viewing position may require investigation to determine the cause.

Warranty Coverage

• 12 months In-Home
• 15 months Common Property

Claim Response

Excessive amounts of efflorescence not meeting the Acceptable Performance/Condition must be rectified.

Maintenance Tip

Direct garden sprinklers away from masonry.