York 304 SA
Short Description
York 304 SA, a self-adhering stainless steel flashing designed for superior moisture protection. Featuring Type 304 stainless steel, a butyl adhesive, and best-in-class puncture resistance, it ensures long-lasting waterproofing in various applications, from through-wall flashing to air barrier transitions. No primer required, UV-resistant, and fire-rated.
York 304 SA is a premium self-adhering stainless steel flashing, engineered for exceptional durability, waterproofing, and weather resistance. Made with a flexible 2 mil sheet of Type 304 stainless steel, a butyl adhesive, and a siliconized release liner, it delivers superior puncture and tear resistance. This high-performance flashing remains stable and air-tight from -70°F to 250°F, ensuring lifelong protection in through-wall flashing, air barrier transitions, parapet flashing, and more.
Key Benefits of York 304 SA:
- Best-in-class puncture & tear resistance
- Compatible with air barriers, roofing membranes, insulation, & construction sealants
- No primer required for installation
- Unlimited UV exposure (must be concealed within 180 days)
- Fire-resistant (ASTM E84 Class A) & mold-resistant (ASTM D3273)
- Available in both Type 304 & Type 316 for enhanced corrosion resistance
- Contributes to LEED credits & sustainable building design
Common Applications:
- Through-wall flashing & below-grade waterproofing transitions
- Air barrier & roof-to-wall transitions
- Parapet & deck ledger flashing
- Window and door sill pans
- Repair tape for flashing, air barriers, and lap joints
With its superior adhesion to materials like OSB, plywood, concrete, and metals, York 304 SA is the ultimate choice for commercial and residential waterproofing.
💡Available in multiple sizes (custom sizes upon request). Backed by a 20-year warranty.
