Welcome to IGK Insulating Glass Sealants

IGK supplies adhesives and sealants needed to produce high quality insulating glass windows: primary and secondary sealants along with Thermoplastic Spacer®. Superior quality of our products has contributed to making us a world leader of insulating glass sealant manufacturers.

IGK takes pride in knowing each of our customers personally, and every one of them knows that we understand their business and have service they can always count on.

Our R&D department also ensures that IGK will remain an innovator and pioneer of cutting edge insulating glass sealants and adhesives well into the future.


IGK specializes in products for insulating glass units.


IGK develops all of its products in Germany


We deliver products throughout North America from our warehouses in the U.S. and Canada.


IGK is represented in North America through a network of agents.