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Roofing
Roofer Red Seal Certification
Metal & Specialty Roofing
Knowledge Check
Metal & Specialty Roofing
Knowledge Check
Knowledge Check
1 / 10
Why should copper roofing never be fastened with steel nails?
A
Building codes prohibit steel fasteners on any metal roof
B
Steel nails expand more than copper and crack the panels
C
Contact between dissimilar metals causes galvanic corrosion
D
Steel nails are too soft and will pull through the copper
Check Answer
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