King® MasonCare® 300 C Series

The MasonCare 300 C Series is a pre-mixed and pre-bagged repointing mortar. This mortar is composed of 1 part of white Portland cement, 2 parts of natural type S hydrated lime, 9 parts of sand containing variant particles from 0 to 5 mm (coarser than usual masonry sand), and an air entraining agent. This mortar is specially designed to reproduce the visual appearance of ancient mortars. It is grey or cream in color, and may be colored in the factory or on the job site using the Colour Plus System exclusive to KING.

  • Reproduces the aesthetic appearance of old mortars
  • Superior adherence
  • Low compressive strength
  • Excellent water vapour transmission properties
  • Ideal for joints larger than 10 mm
  • Autogenous healing properties
  • Premixed, which reduces time mixing on site, ensures good proportions and a homogeneous mortar throughout the project