FastFlash 20oz Sausage


Liquid flashing membrane

FastFlash is a liquid flashing membrane available in gun or rollergrade. Use FastFlash in rough openings, to fill joints and seams, to counter-flash waterproofing and air barrier components in new or existing wall assemblies, and to seal around penetrations. Use FastFlash independently or with compatible R-Guard products to prevent the unwanted movement of water and air through building envelopes.

Product Data Sheet

Safety Data Sheet

  • 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
  • SHELF LIFE: 1 year in tightly sealed, unopened container
  • VOC CONTENT: 30 g/L maximum
  • FORM: Viscous paste, mild odor, red color
  • PH: Not-applicable
  • 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)
  • WT/GAL: 11.75 – 12.5 lbs

Additional information

Weight 2.45 lbs
Dimensions 1 × 1 × 1 in