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from an over-driven fastener. b. Galvanic corrosion, fastener is different metal from roof steel. c. Filiform corrosion, developing from micro-cracks at hole drilled for fastener. d. Surface corrosion developing from moisture trapped against the roof at the time the roof mastic was applied. Show
Get Started Grow Your Business More… Show Menu Join InterNACHI® Jump to flashcard menu Home Inspection Flashcard #41 Currently only showing flashcards in the Roofing category. Clear filters What's Your Call? What is the most likely source of damage to this metal roof? a. Poor storage practices b
Get Started Grow Your Business More… Show Menu Join InterNACHI® Jump to flashcard menu Home Inspection Flashcard #203 Currently only showing flashcards in the Roofing category. Clear filters What's Your Call? What is the potential problem with the roof drainage system shown here? a. Inadequate