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FX-207 Slurry Seal



This product's information may differ depending on the category of use. You are currently viewing details related to Coatings. You can also view product information related to the categories of: Cementitious Coatings, Cementitious Concrete Repair Products

FX-207 Slurry Seal is a two-component, polymer-modified cementitious coating designed for waterproofing and damp-proofing concrete and masonry substrates. This product is part of the tested assembly in UL Design No. N861, which achieved a four-hour fire rating when subjected to ASTM E119 / UL 263 full-scale fire testing. Please refer to UL Online Certifications Directory for the UL listing.

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
  • 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


  • 0.375 ft.3 (0.01 m3) per kit


  • 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


  • 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)


  • This product is covered by the Simpson Strong-Tie RPS Product One-Year Limited Warranty, which is available at strongtie.com/limited-warranties or by calling Simpson Strong-Tie at (800) 999-5099

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