NRCA ProCertified Asphalt Shingle Installer case studies
NRCA ProCertified Asphalt Shingle Installer · Put your knowledge to work in context.
The NRCA ProCertified Asphalt Shingle Installer credential is a professional certification for roofing installers who want independent verification of their competence in steep-slope asphalt shingle work. It signals to employers, contractors, and homeowners that the holder has met a recognized standard for safe, code-compliant, manufacturer-aligned installation. The NRCA ProCertified Asphalt Shingle Installer case studies are 5 cases and about 3,341 words.
1Steep-Slope Tear-Off With No Anchors and a Questionable Chimney Tie-Off
Your four-person crew is scheduled to tear off and replace 32 squares on a two-story colonial with a 9/12 gable roof. The eave is 22 ft above a concrete driveway on the front and 10 ft above a lawn on the back.
701 words, about 4 min2High-Wind Nailing Deficiencies on a New Hip Roof
Your crew is installing 5,200 sq ft of laminated architectural shingles on a new 6/12 hip roof designed for a 115 mph basic wind speed. The manufacturer's printed instructions require six nails per shingle for this wind zone and specify 12-gauge, 1¼-inch roofing nails with 3/8-inch heads.
739 words, about 4 min3Chimney Leak, Missing Cricket, and a Valley Decision in Ice-Dam Country
A homeowner reports a ceiling stain at the brick chimney after three days of wind-driven rain from the northeast. The roof is a 7/12 gable, and the chimney is 36 inches wide, centered on the slope, with no cricket.
685 words, about 3 min4Winter Attic Frost, a Bath Fan Dumping Into the Attic, and an Undersized Ventilation Plan
A homeowner reports frost on the roof sheathing in winter and dark staining on the north-facing deck. The attic floor area is 1,600 sq ft.
610 words, about 3 min5Hail Claim on a Nine-Year-Old Roof With Ridge-Cap Fastener Damage
Nine years after installation, a 28-square architectural shingle roof shows granule loss on the south slope, several circular depressions in the field, and a 3-foot section of exposed black mat along the ridge. The homeowner filed a hail claim after a storm that produced 1-inch hail and claims all slopes must be replaced.
606 words, about 3 min