9801, Parkway, Anjou, Québec Canada H1J 1P3
1 866.51.PROMA (77662)


PRO HPX® is a revolutionary premium-quality, extreme-performance, flexible, anti-fracture, slump resistant, polymer-modified mortar that gives you the power of a two-part system in a one-part product. PRO HPX is the only polymer-modified mortar that can truly replace expensive two-part systems for installations requiring extreme bond strength and flexibility; interior, exterior, freeze/thaw and heavy-traffic durability; water-submerged performance … nearly any environment is suitable for PRO HPX! Install tile or stone of almost any type or size over the widest range of substrates bridging cracks in plane up to 1/4″ (6 mm). Strong, yet extremely flexible, PRO HPX is the only polymer-modified mortar for the toughest installations, even gaining strength over time when submerged under water!


  • Use over the widest range of suitable substrates
  • For sag-slump resistant wall, floor and countertop installations of large-format and heavy tile and stone
  • For setting non-vitreous, semi-vitreous, vitreous and impervious ceramic and porcelain tiles, mosaics, pavers, glass tiles and quarry tiles
  • For setting most marble, granite and natural stone (see LIMITATIONS)
  • Use for interior, exterior, freeze/thaw, water-submerged, and other demanding installations such as pools, shopping malls, airports, etc.
  • For institutional, commercial and residential floor and wall applications
  • Install over cracks in plane up to 1/4″ (6 mm)
  • For use over a radiant floor heating system
  • For installing interior/exterior brick veneer
  • Exceeds ANSI A118.4E, ANSI A118.11 and ANSI A118.15E requirements
  • Contributes to LEED® objectives and requirements


22.7 kg (50 lb) plastic bag, grey or white
4.54 kg (10 lb) box, white


Data Sheet



Use this convenient calculator to determine how much product you will need for a project.

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