Custom Gaskets

Experts delivering superior seals & exceptional service.

Sealing Devices is a premier North American manufacturer of gaskets offering a variety of different methods to produce gasket products. Our manufacturing facility includes over 200-pieces of equipment and in-house tooling and die-making, which allow us to make gaskets from commercial and mil-spec rubber, compressed sheet gaskets, cloth inserted gaskets, paper, fabric, felt and most any other material with quick cut options.


Why Sealing Devices

Since 1963, Sealing Devices has been a proud manufacturer, fabricator, and distributor of O-Rings, gaskets, EMI shielding, and thermal interface materials, custom molded rubber parts, protective vents, tapes, adhesives, and sealants for all types of sealing applications.

We offer a one-stop shop for all of your seal and gasket needs:


  • Applications Engineering Support
  • One-to-One Customer Service Representation
  • Vendor Managed Inventory
  • State-Of-The-Art Quality Systems
  • In-House Tooling and Machining Centers
  • Experience with Most Sealing Materials

Gasket Types

We offer several types of gaskets for high and low-temperature applications, including:

  • Commercial Rubber
  • Mil-spec Rubber
  • Compressed Sheet Gaskets
  • Cloth Inserted Gaskets
  • Grafoil
  • PTFE
  • ePTFE (Teflon)
  • Beater Add
  • Metallic
  • Sponge
  • Foam

Gaskets Cut Your Way

High-tech fabrication including die-cutting, waterjet and laser

We offer flat bed smart press die cutting, rotary die cutting, punch press, kiss cutting, pull-tabs and extended liners.  Additionally we offer die-less cut gaskets on our waterjet, laser, and knife/plotter cutter.

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