What are the names of the three types of nails used to apply asphalt shingles?

The correct answer identifies the three types of nails commonly used for applying asphalt shingles. Plain, annular, and spiral nails each have distinct characteristics that make them suitable for this task.

Plain nails are smooth-shanked, which allows for easy penetration into the roofing materials without the risk of splitting the wood. They provide adequate holding power when driven into the decking.

Annular nails, also known as ring-shank nails, have small rings or grooves along the shaft. This design enhances their grip when they are driven into materials, reducing the likelihood of the nails backing out over time, which is crucial for the longevity of the roofing installation.

Spiral nails feature a spiraled shank, which likewise aids in holding power as they are driven into the materials. The spiral design helps prevent the nail from pulling out and provides a strong, secure fastening.

These characteristics make plain, annular, and spiral nails the preferred choices for securing asphalt shingles effectively, ensuring durability and resistance to the elements.