InterNACHI Roof Inspector case studies
InterNACHI Roof Inspector · Put your knowledge to work in context.
The InterNACHI Roof Inspector credential is a specialty certification offered within the InterNACHI® (International Association of Certified Home Inspectors) training and certification ecosystem. It is aimed at working home inspectors, roof-focused contractors, and candidates building a roofing-specific skill set who want a structured, exam-based demonstration of roofing knowledge beyond the general home inspection curriculum. The InterNACHI Roof Inspector case studies are 5 cases and about 2,083 words.
1Eighteen-Month-Old Shingle Roof With Reversed Drip Edge and Exposed Fasteners
An inspector is evaluating a 2,100-square-foot, 4:12 gable roof on a two-story house. The architectural asphalt shingles were installed 18 months ago, and the homeowner reports shingle tabs lifting along the rake and granules collecting in the gutters.
444 words, about 2 min2Steep, Frost-Covered Roof With No Anchors and a Single Ladder
An inspector is scheduled to inspect a two-story house with a 10:12 gable roof. The eave is 22 feet above grade, and the forecast calls for 34 degrees Fahrenheit with light frost and 12 mph gusts.
431 words, about 2 min3Recurring Ice Dams on a Cathedral Ceiling After a Four-Year-Old Re-Roof
A homeowner in a cold climate reports two-foot icicles at the eave and a water stain on the cathedral ceiling near an exterior wall. The roof is 6:12, covers 1,600 square feet, and was re-roofed four years ago with architectural asphalt shingles.
406 words, about 2 min4Agent Pressure to Omit an Active Leak and Further Evaluation
During a pre-listing inspection, the inspector finds a 12-inch section of missing shingles on the rear slope, three drip stains on the attic sheathing, and a skylight curb with cracked sealant. The roof is 19 years old, and the weather has been dry for two weeks.
410 words, about 2 min5Low-Slope EPDM Roof With Ponding, Clogged Drain, and Parapet Seam Separation
An inspector is evaluating a 40-foot by 60-foot low-slope roof on a 30-year-old commercial building. The roof is covered with a 15-year-old EPDM membrane over polyisocyanurate insulation, with a stated slope of 1/8 inch per foot.
392 words, about 2 min