Search Results for “roof course”

cycling of the roof deck. b. Under-driving during installation. c. Moisture cycling of the roof deck. d. Nail expansion and contraction. Show Details / Explanation You must be logged in as an InterNACHI member to see this card's explanation, comments and suggested report narratives. About Membership

Get Started Grow Your Business More… Show Menu Join InterNACHI® Jump to flashcard menu Home Inspection Flashcard #150 Currently only showing flashcards in the Roofing category. Clear filters What's Your Call? The variation in the color of shingles on this roof is the result of_____. a. Installation

using the racking method on the wrong types of shingles. b. Thermal expansion of roof sheathing. c. Poorly installed underlayment. d. Roof sheathing expansion due to moisture absorption. Show Details / Explanation You must be logged in as an InterNACHI member to see this card's explanation, comments

. b. Excessive uniform granule loss, roofing contractor evaluation. c. Excessive granule loss repeated in the same areas of different shingles (dark horizontal lines), manufacturer defect, shingle roof needs to be replaced. Contact manufacturer. d. Accumulation of excess granules from a newer

c. Attempts to clean the roof with a power washer d. Extreme thermal cycling on South-facing slopes Show Details / Explanation You must be logged in as an InterNACHI member to see this card's explanation, comments and suggested report narratives. About Membership Already a member? Log in for full