Costar 1K is a blend of Portland cement, well graded quartz sand and polymer enhanced chemical ingredients which when mixed with water, forms a waterproof coating for concrete surfaces. It can be used above or below the grade.

Benefits

• Easy application
• Polymer modified
• Excellent resistance to strong hydrostatic pressure, both negative and positive sides
• Excellent freeze/thaw resistance

Areas of use

Costar 1k can be applied on Concrete, brick and block foundations and retaining walls, wastewater tanks etc.
Applied interior/exterior, above or below grade, positive or negative water pressure side
It can also be used as a base coat for Costar 2k