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    Die cut products to suit your needs
    Custom seals suitable for any application
    Over 50 years experience in custom gaskets and seals production
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    Non-metallic custom gaskets and seals
    A large selection of materials to choose from
    More than five decades of custom gasket and seal fabricating
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    50+ years expertise
    Committed to manufacturing superior quality products
    A wide range of custom gaskets and seals for a variety of industries

Custom Gaskets and Seals

Manufacturer of die cut non-metallic parts for various types of industry
Serving Hamilton, Toronto, Mississauga, Brampton, Barrie, St. Catharines, Windsor and across Canada and USA

Custom Gaskets and Seals Manufacturer

Welcome to A.J. Rubber & Sponge Ltd.! We are a foam, sponge and rubber custom gasket and seals fabricator that takes great pride in the high quality products and services we offer our esteemed customers. We stock a complete inventory of rubber, foam, closed cell sponge, polyethylene, solid rubber and neoprene custom gaskets and seals. We carry more than 50 years of experience working in the cellular rubber products industry, and possess an astonishing manufacturing range to help meet our clients requirements. Since 1996, we have increasingly broadened our facilities and staffs capabilities in an effort to improve our abilities to serve a worldwide economy.

Our competitive prices, exceptional service and pledge to provide the best quality products in our industry has garnered us a reputation that surpasses those of our competitors. Our custom gasket and seal products enable our customers to implement the most effective solutions to their intiricate and challenging projects. A.J. Rubber & Sponge Ltd. has set the industry standard for prompt efficiency and excellence, because of our ability to produce any of the following custom gaskets and seals in various profiles, shapes and sizes:

  • Custom gaskets
  • Custom seals
  • Rubber washers
  • Closed cell sponge gaskets
  • Compressed non-asbestos gaskets
  • EPDM (ethylene propylene diene
  • monomer rubber) gaskets
  • Flange gaskets
  • Foam gaskets
  • Polyurethane foam gaskets
  • Rubber gaskets
  • SBR (red rubber) gaskets
  • Cloth-inserted rubber gaskets
  • Neoprene gaskets
  • Spacer production
  • Silicone gaskets
  • Nitrile (buna-n) gaskets
  • Silicone sponge gaskets
  • Adhesive backed gaskets and seals

A.J. Rubber & Sponge Ltd. also provides the following in-house machine services for the production of non-metallic parts used for sealing, insulating, and a variety of other industrial or commercial applications:

  • Laminating
  • Rotary cutting
  • Roll slitting
  • Kiss cutting
  • Horizontal splitting
  • Sheeting & slitting
  • Die cutting
  • Weather stripping

When deciding on a custom gasket and seal supplier, their ability to be adaptable and expedite quality orders are necessary elements that should be taken into serious consideration. As custom rubber, foam and sponge gasket and seal manufacturers, we carry a wealth of knowledge and experience in everything from concept prototypes to large-scale production. In order to meet urgent project deadlines, we can accommodate rush orders to meet important deadlines of any size or shape. We hope that you will find useful information on our website that will assist you with your custom gasket and seal requirements. Please feel free to contact us with any questions you may have, or for an assessment and quote.

AJ Rubber has been providing custom gaskets and seals through the Toronto, Hamilton, Mississauga, Brampton, St. Catharines, Kitchener areas as well as across Canada and the United States.

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Custom Gaskets

Our superior quality custom gaskets can be die cut, kiss cut or rotary cut, depending on the specific requirements of the production run.

Custom Seals

As custom seal fabricators we have built and maintained a solid reputation for our reliable, affordable and time conscious products and services.


Visit our services pages to learn about our die cutting, sheeting and slitting, horizontal splitting and other capabilities.


Visit our materials pages to learn about our neoprene, sponge, foam, polyethylene and rubber materials.