Should I use asphalt shingle roof nail caps? | | Always | 33% | | In most cases | 26% | | Never | 13% | | Not sure | 26% | | | | | Question: Should I use asphalt shingle roof nail caps? Top Answer (33% of 15 votes): Always.
Answer: Always
Explanation: Square cap nails are used only for holding down the roofing underlayment. They excel at doing so whether it be old school tar paper, or the newer more durable, hi tech roof underlayments. | | Top Shield Roofing | Answer: Never
Explanation: You must use a galvanized roofing nail when installing shingles | | American roofing &remodeling |
|