Simpson Strong Tie FX-207 Slurry Seal


SKU: FX207 Category:


Simpson Strong Tie FX-207 Slurry Seal

FX-207 Slurry Seal is a two-component, polymer-modified cementitious coating designed for waterproofing and damp-proofing concrete and masonry substrates.

CSI Specification: 07 16 00 Cementitious Waterproofing

Key Features:

  • Trowel or slurry consistency
  • Convenient premeasured kit
  • Excellent bond strength
  • Can be applied by brush, roller, spray or trowel
  • Vapor barrier when used for damp-proofing
  • UL listed


  • Horizontal and vertical surfaces
  • Above-grade and below-grade applications
  • Waterproofing and damp‑proofing concrete and masonry
  • Interior and exterior applications
  • To protect concrete and masonry from freeze/thaw cycles
  • To even out surface color variations on newly repaired concrete


  • Application Rate Damp-proofing: 40 WFT mils total applied in one coat, 40 ft.2/US gal. (1 m2/L) depending on surface profile and porosity
  • Application Rate Waterproofing: 80 WFT mils total applied in two coats, 40 ft.2/US gal. (1 m2/L) per coat depending on surface profile and porosity
  • Yield: 0.375 ft.3 (0.01 m3) per kit
  • Color: Gray
  • Mixing Ratio: Preproportioned kit. Use entire contents of all components.
  • Storage Conditions: Store dry between 40° and 95°F (4°–35°C). Protect liquid component from freezing.
  • Shelf Life: 1 year in unopened packaging
  • VOC: 3 g/L (mixed)
  • 3.3 US gallon (12.5 L) kit (FX207KT1-1) contains: 1 US gallon (3.8 L) jug of Component A (FX207-1A) & 40 lb. (18.1 kg) bag of Component B (FX207-B)