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The Most Common Moisture Defects We Find
Findings Report

The Most Common Moisture Defects We Find

The moisture defects we most commonly find are EIFS intrusion, attic condensation, improper bath venting, sump and drain-tile failure, negative grading, window-perimeter intrusion, and efflorescence — many tied to lake-adjacent water tables.

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The moisture defects we most commonly find are EIFS intrusion, attic condensation, improper bath venting, sump and drain-tile failure, negative grading, window-perimeter intrusion, and efflorescence — many tied to lake-adjacent water tables.

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Water proximity, high seasonal water tables, and tight or poorly vented homes drive these recurring moisture findings.

Representative Findings

The Most Common Moisture Defects We Find.

Water proximity, high seasonal water tables, and tight or poorly vented homes drive these recurring moisture findings.

Exterior

EIFS / Synthetic Stucco Moisture

Concealed EIFS moisture rots sheathing and framing silently and is one of the most expensive defects on upscale Minnetonka homes.

Roof

Attic Condensation & Mold

Attic condensation rots sheathing and creates indoor-air-quality concerns commonly missed on quick walkthroughs.

Plumbing

Improper Bath Venting

Improper bath venting is a leading hidden driver of attic mold and roof-deck rot in west-metro homes.

Structure

Sump Pump & Drain-Tile Failure

A failed sump on a lake-adjacent lot can flood a finished basement — a costly and avoidable surprise.

Site

Negative Grading

Negative grading is the root cause of most basement water and is usually inexpensive to correct.

Exterior

Water Intrusion Around Windows

Window-perimeter intrusion is a primary EIFS failure point and rots framing long before it shows indoors.

Structure

Efflorescence on Foundation

Efflorescence is a reliable indicator of past or ongoing moisture movement that warrants tracing the source.

Roof

Attic Frost & Sheathing Staining

Attic condensation rots sheathing and creates air-quality concerns commonly missed on quick walkthroughs.

See the full defect library and the defect atlas by city and decade.

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