York Flexo-Flash Flashing

HIGH-PERFORMANCE SELF-ADHERING THROUGH-WALL FLASHING DESIGNED FOR DURABILITY AND CLEAN INSTALLATION

Flexo-Flash is a 40 mil self-adhering through-wall flashing engineered for demanding masonry and commercial construction applications. Featuring a white cross-woven polyethylene facer and a proprietary non-asphaltic adhesive, Flexo-Flash delivers superior puncture resistance, clean application, and long-term performance without the mess or limitations of traditional rubberized asphalt flashings.

KEY FEATURES

• Pressure-sensitive adhesive provides strong adhesion without the need for primers

• 120-day UV resistance allows extended exposure during construction

• Non-asphaltic formulation will not drool, stain, or bleed when exposed to heat

• Rugged polyethylene facer enhances puncture, tear, and slice resistance

PERFORMANCE BENEFITS

• Clean installation clear adhesive will not drool like rubberized asphalt flashings

• Wide application temperature range installs from 20°F to 120°F

• No primer required reduces labor time and installation steps

• High temperature resistance performs in temperatures up to 250°F

COMPATIBILITY

Flexo-Flash is compatible with a wide range of common building envelope materials, including:

• Air barriers

• Roofing membranes

• Construction sealants

• Insulations

• Construction adhesives

• Insulated concrete forms (ICF)

WHY CONTRACTORS CHOOSE FLEXO-FLASH

Flexo-Flash offers superior puncture, tear, and slicing resistance compared to traditional rubberized peel-and-stick membranes, making it ideal for through-wall flashing applications where durability, cleanliness, and long-term performance matter.

SPECIFICATIONS

RESOURCES

• Tech Data
• Submittal
• Sub Request
• SDS
• Flexo-Flash High Wall/Low Roof Details
• Flexo-Flash Lap Joint
• Flexo-Flash Shelf Angle
• Flexo-Flash Base Of Wall Through Wall Flashing With Drip Edge Details
• Flexo-Flash Window Head Details
• Flexo-Flash Window Sill Detail