Sika Top 550J (Formerly Masterseal 550J)

Sika Top 550J (Formerly Masterseal 550J) is a two-component, acrylic-modified cementitious waterproofing coating designed for on-site mixing. It is ideal for waterproofing and resurfacing concrete, masonry, and various other construction materials.  It is composed of specially selected cements, silica sand and reactive fillers supplied in powder form together with a liquid component of blended acrylic copolymers and wetting agents. Suitable for use in hot and tropical climatic conditions.