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Aquafin Mortar-LN is a universal waterproofing, repairing & lining mortar


MORTAR-LN is a cementitious, inorganic, one component, ready-mixed, repair and surface lining waterproof barrier mortar with hydrophobic (water repellent) properties, and high sulfate resistance.

MORTAR-LN at a minimum thickness of 1/4-inch (6 mm) and larger is guaranteed to prevent water infiltration or exfiltration through the application.

Typical Applications:

  • Horizontal, vertical and overhead applications to concrete, masonry, brick and some natural stone substrates by troweling or spraying (guniting), to new or old structures
  • Repairing and reprofiling of spalled, corroded and honeycombed areas
  • Patching and filling of routed out cracks, faulty construction joints and sealing of tie holes
  • Installation of seal strips (reglets and coves) at floor/wall joints


  • Resists strong hydrostatic pressure
  • Resists abrasion, mechanical wear & deicing salts
  • Applied to the positive or negative water pressure side of a structure

CSI Divisions:

  • Maintenance of Concrete (03 01 00)
  • Polymer Modified Cement Waterproofing (07 16 13)

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