Roof Sailing Knowledge 4

Question 1

What OSHA regulation governs fall protection requirements for residential roofing work?

Accepted Answer

29 CFR 1926.502

Answer

29 CFR 1926.502 outlines fall protection systems criteria and practices for residential and commercial construction, including roofing.

Question 2

At what roof height does OSHA generally require fall protection measures for residential construction?

Accepted Answer

6 feet

Answer

OSHA requires fall protection when workers are exposed to a fall of 6 feet or more in residential construction environments.

Question 3

Which defect in asphalt shingles is characterized by individual tabs curling upward at their edges?

Accepted Answer

Cupping

Answer

Cupping occurs when shingle tabs curl upward at the edges, often caused by moisture imbalance or poor ventilation below the deck.

Question 4

What is the purpose of counter flashing installed over base flashing at a chimney?

Accepted Answer

To allow thermal movement while keeping the junction sealed

Answer

Counter flashing is embedded in the chimney mortar and overlaps the base flashing, allowing both components to move independently with thermal expansion.

Question 5

Which type of nail is recommended for attaching asphalt shingles to minimize corrosion?

Accepted Answer

Hot-dipped galvanized or stainless steel roofing nails

Answer

Hot-dipped galvanized or stainless steel roofing nails provide the most durable corrosion resistance for long-term shingle attachment.

Roof Sailing Practice Test

Roof Sailing Practice Test

Roof Sailing Knowledge 4