Prosoco R-Guard Fast Flash Liquid Flashing Membrane
PROSOCO R-Guard® FastFlash® is a waterproofing, adhesive, and detailing compound for air barrier applications that combines the best characteristics of silicone and polyurethane. This single-component, Silyl-Terminated-Polymer (STP) is easy to gun, spread-and-tool, or roller apply to produce a highly durable, seamless, elastomeric flashing membrane. Allows for same-day installation of windows, doors, and other wall assembly, waterproofing, or air barrier components.
Suitable for all climates, FastFlash® bonds directly to damp or dry surfaces and cures under a variety of weather conditions. It dramatically reduces surface preparation time by eliminating the need for reinforcing tapes at sheathing joints, inside corners, and outside corners. It simplifies the process of producing watertight details in new or existing construction.
Use FastFlash® as part of a continuous, building-wide air barrier system, or to complement conventional waterproofing or air barrier components. Use FastFlash® to adhere, transition, and counter-flash R-Guard SS ThruWall or other through-wall sheet flashing.
Available in Gun-Grade or Roller-Grade versions.
Streamlines preparation by eliminating the need for joint reinforcing tapes.
Silane functional polymer provides superior long-term adhesion, crack bridging, and weathering characteristics.
Easy 12–15 wet mil application.
Bonds to most common building materials without priming.
Single component saves time.
Produces a durable, weather-tight seal.
Bonds and cures in wet weather, on damp substrates, and tolerates rain immediately after application.
Will not tear or lose effectiveness when exposed to weather during construction.
May be fully exposed to UV and weather for up to 12 months depending upon conditions. If longer, contact for inspection.
Compatible with most sealants and waterproofing or air barrier components.
Solvent-free. Isocyanate-free. Phthalate-free.
No shrinkage. No staining. No yellowing.
Breathable – allows the damp surface to dry.
Will not support mold growth.
Illustrations depicting the use of PROSOCO R-Guard® products are available at https://prosoco.com/ by downloading the R-Guard Installation Guidelines.
Not for use as a structural sealant.
Not for use in place of appropriate through-wall flashing. See R-Guard SS ThruWall product literature.
Not for use below grade or in locations designed to be continuously immersed in water.
TYPICAL TECHNICAL DATA
SHELF LIFE: 1 year in tightly sealed, unopened container
VOC CONTENT: 30 g/L maximum
FORM: Viscous paste, mild odor, red color
COVERAGE RATE: 22-28 sq ft per 29-oz tube, 15-17 sq ft per 20-oz sausage, 50-100 sq ft per gallon.
FREEZE POINT: Not-applicable
FLASH POINT: > 200° F (>93° C)
TOTAL SOLIDS: 99%
WT/GAL: 11.75 – 12.5 lbs
AVAILABLE SIZES: 29-oz tube, 20-oz sausage, 2-gal & 5-gal (roller-grade)
R-Guard FastFlash® is compliant with the US Environmental Protection Agency’s AIM VOC regulations. Visit www.prosoco.com/voccompliance to confirm compliance with individual district and state regulations.
Always read the full label and SDS for precautionary instructions before use. Use appropriate safety equipment and job-site controls during application and handling.
24-Hour Emergency Information: INFOTRAC at 800-535-5053
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