Sharkskin Ultra SA: Best Underlayment for Metal Roofing?

Are you looking for the best self-adhered (SA) underlayment for your next metal roofing project? Sharkskin Ultra SA is a premium, high-temperature, peel-and-stick underlayment designed specifically for the rigors of standing seam metal roofs.

In this video, metal roofing expert Thad Barnette and Jeff Hock (Sheffield Metals Technical Dept.) explain why Sharkskin Ultra SA is the “Gold Standard” for standing seam metal roofing. We discuss why Sheffield Metals requires this specific product for our 35-year weather-tight warranties and how it performs in extreme environments—from 10°F mountain installs to 100°F+ Florida heat.

Key Technical Highlights:

►UV Exposure: 12-month rating (best in class).

►Roll Size: 500 sq. ft. (5 squares) per roll for fewer laps and faster installation.

►Temp Rating: Install down to 10°F and rising without the need for additional primers.

►Safety: Slip-resistant, walkable surface to protect crews on steep-slope installs.

►Warranty: Limited Lifetime Warranty that aligns with 35-year metal roof lifespans.

Whether you are a roofing contractor, architect, or homeowner, understanding your underlayment options is critical to the longevity of your building envelope.

If you’re serious about protecting your installs—and your reputation—this is the underlayment you need to understand.