Multi-Flash™ 500

Manufacturer: York Flashings
Product Type: Non-Permeable Peel & Stick

Short Description

Upgrade your building’s moisture protection with Multi-Flash™ 500, a non-asphaltic copper fabric flashing offering best-in-class puncture resistance and a lifetime warranty. Made from 90% recycled materials, this high-performance through-wall flashing is mold-resistant, fire-resistant, and easy to install. Ideal for air barriers, roofing, waterproofing transitions, and more.

Quantity Needed

Multi-Flash™ 500 by York Flashings is a high-performance, non-asphaltic copper fabric flashing engineered for superior moisture protection in commercial and residential construction. Manufactured with a flexible 3 oz., 5 oz., or 7 oz. sheet of copper laminated on both sides with polymer fabric, it provides best-in-class puncture and tear resistance while being mold-resistant and fire-resistant (ASTM E84 Class B).

Key Benefits of Multi-Flash™ 500:

  • Non-asphaltic for enhanced durability and compatibility
  • 90% recycled & recyclable materials for sustainable construction
  • Best-in-class puncture resistance (up to 850 PSI, ASTM E154)
  • No staining & compatible with air barriers, insulation, & sealants
  • Fire-resistant (ASTM E84, Class B) & mold-resistant (ASTM D3273)
  • Flexible, easy to cut & form by hand
  • 90-day UV exposure
  • Available in 60′ rolls to minimize lap joints
  • Lifetime warranty

Common Applications:

  • Through-wall flashing for superior waterproofing
  • Air barrier, roofing & waterproofing transition membranes
  • Roof-to-parapet flashing & cavity wall flashing
  • Foundation sill flashing & jamb closure flashing
  • Head and sill flashing for window & door openings

Multi-Flash™ 500 meets all performance specifications for asphaltic copper fabric flashing while providing superior flexibility and durability. Available in 3 oz. (Gray), 5 oz. (Red), and 7 oz. (Black) in various sizes (custom sizes available upon request).

💡 Backed by a lifetime warranty, Multi-Flash™ 500 is the ultimate choice for reliable moisture control in any building project.