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York Multi-Flash 500 SA Copper Fabric Flashing

SKU MFSA0312/25
by York
Original price $128.85 - Original price $767.31
Original price
$128.85
$128.85 - $767.31
Current price $128.85
25.0ft | $5.15 / ft

Ships in 1–2 Weeks

Once an order is placed, no changes, cancellations, or returns are accepted.

Multi-Flash™ 500 SA is a self-adhering, non-asphaltic copper fabric flashing manufactured from flexible copper laminated on one side with polymer fabric, butyl adhesive, and a siliconized release liner.

Available in 3-ounce, 5-ounce, and 7-ounce copper configurations, the membrane provides a watertight, self-adhering bond without requiring primer. It can be applied from 20°F to 170°F and remains stable and airtight from -70°F to 250°F.

Key Features

  • Self-adhering copper fabric flashing
  • Available in 3-ounce, 5-ounce, and 7-ounce copper
  • Watertight butyl adhesive
  • No primer required
  • Non-asphaltic and non-staining
  • Strong puncture resistance
  • Flexible and easy to cut and form by hand
  • Class B fire-resistant material
  • Mold resistant
  • 90-day UV exposure
  • Manufactured from 90% recycled material
  • Recyclable
  • 20-year manufacturer warranty

Common Applications

  • Through-wall flashing
  • Air-barrier transitions
  • Roofing transitions
  • Waterproofing transitions
  • Roof-to-parapet flashing
  • Jamb-closure flashing
  • Foundation sill flashing
  • Cavity-wall flashing
  • Shelf-angle flashing
  • Parapet and coping flashing
  • Head and sill flashing

Compatible Materials and Systems

  • Air barriers
  • Below-grade waterproofing
  • Roofing membranes
  • Spray polyurethane foam
  • Insulation boards
  • Construction sealants
  • Masonry backup walls
  • Stud walls with sheathing

Material Construction

  • Base Material: Copper
  • Copper Options: 3 oz., 5 oz., and 7 oz.
  • Lamination: Polymer fabric laminated to one side
  • Adhesive: Self-adhering butyl
  • Release Liner: Siliconized release liner
  • Asphalt Content: None
  • Copper Standard: ASTM B370-12

Available Sizes

  • 3 oz. Copper - Gray: 12", 18", 24", and 36" widths × 25' long
  • 5 oz. Copper - Red: 12", 18", 24", and 36" widths × 25' long
  • 7 oz. Copper - Black: 12", 18", 24", and 36" widths × 25' long

Temperature and Exposure

  • Application Temperature: 20°F to 170°F
  • Service Temperature: -70°F to 250°F
  • Maximum UV Exposure: 90 days

Technical Performance

  • 3 oz. Puncture Resistance: 540 psi per ASTM E154
  • 5 oz. Puncture Resistance: 780 psi per ASTM E154
  • 7 oz. Puncture Resistance: 850 psi per ASTM E154
  • Tensile: 32,000 per ASTM D412
  • Fire Resistance: Class B per ASTM E84
  • Mold Resistance: Passes ASTM D3273

Sustainability

  • Recycled Content: 90%
  • Recyclability: Recyclable material

Warranty

  • 20-year manufacturer warranty

Packaging

  • Supplied in 25' rolls

Installation Requirements

  • Install over a clean, dry, and reasonably smooth substrate.
  • Set horizontal masonry flashing flush with the exterior masonry and cover it with a fresh mortar bed.
  • Secure vertical terminations with a termination bar and seal the top edge with an approved sealant.
  • Carry cavity-wall flashing upward a minimum of 8" along the backup wall.
  • Extend head and sill flashing at least 6" beyond each side of the opening and turn up the ends to create end dams.
  • Lap adjoining sections a minimum of 2".
  • Seal the leading edge of each lap with a compatible sealant or metal splice tape.
  • Seal all flashing edges and joints.
  • Provide weep vents in the first masonry course immediately above the flashing.
  • Fold end dams rather than cutting them.
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Free Shipping

On orders over $2,500

FAQ

How do I track my order?

Once your order ships, you will receive a shipping confirmation email with your tracking number and carrier details.

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If you have trouble locating your tracking information, please contact our support team with your order number and we’ll be happy to assist you.

Do you offer free freight?

Yes, we offer free freight on orders over $2,500.

How long does shipping take?

Most orders ship and deliver within 4-8 business day.

Can I order in bulk or wholesale quantities?

Yes. We specialize in bulk and wholesale orders. Use our Wholesale Order form or request a quote.

Can you help me choose the right product?

Yes. Our team can review specs and recommend the correct product for your project.

Who do I contact with questions?

Call (833) 246-3900 or email sales@masonrydirect.com.