Firestone Specialty Products Co. LLC’s selfadhered EPDM thru-wall flashing and fully cured, pre-formed EPDM corners can be used with metal wall panels. A self-adhered flashing membrane, FlashGard SA Thru-Wall Flashing is now available, along with three new accessories-inside corners, outside corners and end dams, in Firestone’s line of cavity wall construction products. In addition to the inherent durability of EPDM, Firestone’s FlashGard SA and pre-formed corners provide outstanding expansion and contraction characteristics, as well as excellent resistance to punctures, tears, corrosion, abrasion and wear.
Flashing membrane for metal walls
This Month’s Features

Top Metal Builders 2026 – A year of growth
This year, our list of top metal builders shows a steady industry, with the largest contractors and erectors reporting just a slight drop in...

Top Metal Builders 2026 – Top Metal Building Contractors by Tonnage
No. Company, Location 2025 Ton. 2024 Ton. % Change 2025 SF Affiliated Manufacturer(s) Avg. Project Size 1 Span Construction & Engineering, Inc./Madera, Calif. 39745...

Top Metal Builders 2026 – Top Metal Building Contractors by Square Footage
No. Company, Location 2025 SF 2024 SF % Change 2025 Ton. Affiliated Manufacturer(s) Avg. Project Size 1 Span Construction & Engineering, Inc./Madera, Calif. 6670507...

Top Metal Builders 2026 – Top Metal Building Erectors by Tonnage
No. Company, Location 2025 Ton. 2024 Ton. % Change 2025 SF Affiliated Manufacturer(s) Avg. Project Size 1 Steelworx/Groveland, Fla. 19700 16992 15% 3369570 100000...


