Original Dortite® Sponges

The original Dortite Sponges, manufactured in the United States by DSI, formerly Permatite. Formulated for excellent memory and long-term performance Dortite and Dortite Xtra® are the ultimate sponge rubber gasketing products. Constructed of natural and durable sponge rubber, combined with a non-stretch backing and a very aggressive rubber-based adhesive, Dortite is easy to use and highly reliable.

DSI's Original DORTITE Sponge