InterNACHI Stucco/EIFS Inspector case studies
InterNACHI Stucco/EIFS Inspector · Put your knowledge to work in context.
The InterNACHI Stucco/EIFS Inspector credential is a professional certification for home inspectors and building consultants who evaluate exterior cladding systems - traditional stucco, cement-based finishes, and Exterior Insulation and Finish Systems (EIFS). It signals to clients and referral partners that the inspector has studied how these wall assemblies are built, how they fail, and how to report defects clearly. This page is an independent study guide for candidates preparing for that exam; it is not affiliated with, endorsed by, or operated by InterNACHI, and it does not reproduce any official question bank or course material. The exam is delivered in multiple-choice format and is organized around four practice areas: stucco systems and components; EIFS systems and components; moisture intrusion, flashing, and drainage detailing; and inspection procedures, defect recognition, and reporting. The InterNACHI Stucco/EIFS Inspector case studies are 5 cases and about 2,703 words.
1Weep Screed Buried by a Raised Patio
A 2009 two-story wood-frame house has three-coat stucco over Grade D building paper and metal lath. The rear wall meets a paver patio that the homeowner added two years ago.
605 words, about 3 min2Barrier EIFS Around a Bay Window
A 1997 two-story house has barrier EIFS over oriented strand board sheathing. The system has no drainage plane, no weep track at the base, and relies on sealant at window perimeters and at the foundation termination.
515 words, about 3 min3Missing Kick-Out at a Roof-Wall Intersection
A one-story stucco addition has a shed roof that dies into the stucco wall. Step flashing is visible along the roof slope, but at the low end, where the roof meets a vertical wall corner, there is no kick-out flashing.
579 words, about 3 min4Pre-Coat Lath Inspection on a New Build
A new 3,000-square-foot house is being finished with three-coat stucco over wood frame. The inspector is called after building paper and metal lath are installed but before the scratch coat.
511 words, about 3 min5Horizontal Crack at the Second-Floor Rim
A 1986 two-story apartment building has a 120-foot-long three-coat stucco facade. A horizontal crack runs about 20 feet along the second-floor rim line; width is 1/8 to 3/16 inch.
493 words, about 2 min