Prosoco R-Guard Fast Flash Liquid Applied Flashing FastFlash is a liquid flashing membrane designed for use in rough openings, filling joints and seams, and counter-flashing waterproofing and air barrier components in both new and existing wall assemblies. This single-component, 99% solids, Silyl-Terminated-Poly-Ether (STPE) provides a highly durable, seamless, elastomeric flashing membrane that allows for same-day installation of windows, doors, and other components. It is suitable for all climates and can be applied independently or with compatible R-Guard products to prevent unwanted movement of water and air through building envelopes.

Features

• Waterproof rough openings on new builds and retrofits.
• Fill in small cracks to seamlessly waterproof transitions and seams.
• Apply FastFlash around almost anything prone to getting wet.
• Use FastFlash in rough openings to fill joints and seams.
• Counter-flash waterproofing and air barrier components in new or existing wall assemblies.
• Seal around penetrations to prevent unwanted movement of water and air.
• Use FastFlash independently or with compatible R-Guard products.
• FastFlash is a single-component, 99% solids, Silyl-Terminated-Poly-Ether (STPE).
• Easy to gun, spread, and tool to produce a highly durable, seamless, elastomeric flashing membrane.
• Allows same day installation of windows, doors, and other wall assembly components.
• Suitable for all climates.

⚠️ WARNING: This product can expose you to a chemical known to the State of California to cause cancer and Toluene known to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.