Shingles are installed once the underlayment has been placed on the roof. They are sealed with Tru-Bond sealant for wind resistance and are secured with sure nails. This is the most common roof most homeowners have.
RECOMMENDED SHINGLES:
https://www.certainteed.com/residential-roofing/
https://www.gaf.com/en-us/roofing-products/residential-roofing-products/shingles