As the worldwide leader in providing waterproofing solutions, Sika has the most complete and comprehensive range of products and systems that are designed and can be adapted to meet the specific needs and requirements of owners, architects, engineers, and contractors.From concrete joint waterstops, to integral waterproofing admixtures, to plaza deck membranes, Sika has the waterproofing solution for any application. With more than 100 years of experience in Waterproofing that spans the globe, Sika is the proven leader in innovation and performance.

Waterstops & Installation Accessories

Sika Greenstreak Waterstops have been keeping water in or out of structures for decades. Concrete structures are only as watertight as the waterstops that join them.   We offer the industry's most comprehensive line of waterstops available today.

Learn more about Sika's Greenstreak Waterstop Products:

Above Grade Waterproofing Membranes
Concrete Accessories

Sika provides a full line of concrete accessory solutions and systems for concrete producers, contractors, and specifiers.

Learn more about our Concrete Accessories:

Integral Waterproofing

The Waterproofing World

In addition to a wide range of product options, the waterproofing section also offers other value-added content about the waterproofing world, such as document download, Sika's waterproofing advantages, Greenstreak history,