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FX-263 Rapid-Hardening Vertical/Overhead Repair Mortar


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FX-263 Rapid-Hardening Vertical/Overhead Repair Mortar is a cementitious, single-component, fiber-reinforced, polymer-modified, silica fume-enhanced, structural repair mortar with integral corrosion inhibitor designed for vertical and overhead applications.

CSI Specification

03 01 00 Maintenance of Concrete

Key Features

  • Ready to use—simply add potable water
  • Fiber-reinforced
  • High early strength
  • High-build up to 3 in. (76 mm) per lift
  • Excellent freeze/thaw resistance
  • Abrasion resistant
  • Low permeability


  • Partial-depth concrete repairs
  • Above-, below- or on-grade applications
  • Vertical and overhead applications
  • Tunnels, bridges, balconies, parking decks, elevated structures, water treatment facilities and marine structures


  • 0.43 ft.3 (0.012 m3) per 50 lb. (22.7 kg) bag or pail


Dark gray

Storage Conditions

Store dry between 40 and 95°F (4–35°C)

Shelf Life

1 year in unopened packaging


0 g/L


  • 50 lb. (22.7 kg) bag (FX263)
  • 50 lb. (22.7 kg) pail (FX263P)


  • 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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