NRCA Metal Flashings case studies
NRCA Metal Flashings · Put your knowledge to work in context.
The NRCA Metal Flashings credential is a professional certificate for roofing and waterproofing practitioners who fabricate and install sheet-metal flashings - the details that keep water out at roof edges, walls, penetrations, and drainage points. It is aimed at roofing mechanics, sheet-metal workers, foremen, estimators, and inspectors who want documented evidence that they understand both the metallurgy and the field craft, not just one trade's half of it. The NRCA Metal Flashings case studies are 5 cases and about 4,702 words.
1Copper Gutters on an Oceanfront Hotel: Sorting Out Four Galvanic Couples
A six-story oceanfront hotel sits about 300 ft from the surf line, and the maintenance report lists several interrelated failures one year after a re-roof. The specified assembly is 20 oz cold-rolled copper K-style gutter, 4 in.
933 words, about 5 min2A 240 ft Copper Gutter That Moved: Expansion Joints and Missing Secondary Drainage
A 300 ft by 100 ft warehouse with a 1/4:12 roof slopes to a rear parapet, where a 240 ft continuous 6 in. copper gutter collects the flow.
976 words, about 5 min3Value-Engineered Through-Wall Flashing in Brick Veneer: Diagnosing the Staining Pattern
A 10-story building has brick veneer over steel studs with a steel shelf angle at each floor line. The through-wall flashing at the shelf angles was value-engineered from 16 oz copper to a 40 mil self-adhering membrane, dressed 2 in.
921 words, about 5 min4Chimney, Conduit and Vent on a Low-Slope Roof: Sequence and Compatibility
square masonry chimney rises through a low-slope modified bitumen roof at 1/4 in./ft. The chimney sits 18 in.
931 words, about 5 min5Torch Soldering on a Frozen 6:12 Roof: Fall Protection, Hot Work and Joint Failure
A two-person crew is installing 16 oz copper base flashing and a new soldered gutter on an existing 6:12 wood-framed roof in February. The forecast high is 30 degrees F, and the deck is damp from overnight frost.
941 words, about 5 min