Sikatop®-109 Seal IN — flexible cementitious waterproofing coating for demanding applications

Sikatop®-109 Seal IN is a high-performance cementitious waterproofing coating from Sika India Pvt. Ltd. — an advanced, highly flexible two-component polymer-modified waterproofing system designed for structures requiring superior crack-bridging ability and enhanced elasticity.

An upgrade over standard cementitious systems, Sikatop®-109 Seal IN forms a tough, seamless, and highly elastic waterproof membrane that effectively accommodates structural movement, thermal expansion, and dynamic crack formation — making it the preferred waterproofing chemical for roofs, terraces, basements, bathrooms, water tanks, swimming pools, and structures exposed to continuous water pressure and heavy rainfall.

Its enhanced polymer content delivers greater flexibility and improved elongation compared to rigid cementitious coatings, ensuring long-lasting protection even under challenging conditions. A globally trusted construction chemical from Sika India, Sikatop®-109 Seal IN ensures strong reliability, user-friendly application, and consistent on-site performance — preferred by applicators and contractors for its proven effectiveness in the most demanding cementitious waterproofing applications across India.