AT-XP® Fast-Curing Anchoring Adhesive for Cracked and Uncracked Concrete


The latest innovation from Simpson Strong-Tie, AT-XP® anchoring adhesive has been formulated for high-strength anchorage of threaded rod and rebar into concrete under a wide range of conditions. AT-XP adhesive dispenses easily in cold or warm environments with little to no odor, and when mixed properly is a teal color for easy post-installation identification.

Code-listed per IAPMO UES ER-263 in accordance with ICC-ES AC308 and IBC 2009 requirements for cracked and uncracked concrete in static or seismic conditions, AT-XP anchoring adhesive has demonstrated superior performance in reduced-temperature testing (14°F (-10°C)), has NSF/ Standard 61 certification (43.2 in2/1000 gal), and is made in the USA.


  • AT-XP adhesive has passed the demanding adverse condition tests of ICC-ES AC308 pertaining to reduced temperature, elevated temperature and long-term creep
  • Code-listed per IAPMO UES ER-263
  • Can be used under static and seismic loading conditions in both cracked and uncracked concrete
  • Low-odor formula dispenses easily at below-freezing temperatures without the need to warm cartridge
  • Cures in substrate temperatures as low as 14°F in 24 hours or less
  • Easiest hole-cleaning method – no power brushing needed
  • When properly mixed, adhesive will be a teal color for easy identification
  • Available in 9.4 oz., 12.5 oz. and 30 oz. cartridges for jobsite versatility


  • Threaded rod anchoring into concrete
  • Rebar doweling into concrete
  • Suitable for horizontal, vertical and overhead applications
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