SC Roofing Practice Questions - South Carolina Roofing Contractor Examination Exam

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A steel-deck roof is essentially dead-level. To meet the IBC 1/4:12 design-slope requirement for a new built-up or single-ply membrane, the roofing contractor should:

Rely on the membrane's inherent drainage; no slope is required on recover jobs Install a flood coat of Type I dead-level asphalt and omit drains Increase fastener density in the field of the roof Install tapered insulation (or a structural slope) that produces not less than 1/4:12 to the drains, with crickets on the upslope side of curbs

Correct Answer:

Install tapered insulation (or a structural slope) that produces not less than 1/4:12 to the drains, with crickets on the upslope side of curbs

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