Custom Gaskets & Seals

A.J. Rubber & Sponge Ltd., situated in Southwestern Ontario, is an industry leader in the realm of high quality die cut gaskets and die cut products manufacturing. As custom seal & gasket fabricators, we have built a solid reputation for being reliable, affordable and time conscious with projects of all sizes. Our main objective is to continue to not only meet, but exceed our customers expectations by providing them with high quality gaskets and sealing products for use in their specific application. The gaskets and seals we custom manufacture can be die cut, kiss cut or rotary cut, depending on the specific requirements of the production run. We are best known for our competitive pricing, on-time delivery, attention to detail and exceptional customer service. A.J. Rubber & Sponge Ltd. maintains a modern fabrication/manufacturing facility equipped with capable die cutting machinery, enabling us to consistently meet all of your blueprint specifications and tolerance requirements for custom seal and gasket products.

A.J. Rubber & Sponge Ltd. has over 45 years of industry experience, specializing in the manufacturing of precision die cut gaskets and die cut products for a wide range of industries and applications. We employ several different methods of die cutting, depending upon our customers requirements, and we even have the ability to completely customize a gasket fabrication production run. A.J. Rubber & Sponge Ltd. offers die cutting services including, but not limited to, steel rule die cutting, sheeting, rotary die cutting, roll slitting, kiss cutting, punch pressing and flatbed horizontal splitting. Our various die cutting and material manipulation services enables us to meet the specifications of all of your products/parts. A.J. Rubber & Sponge Ltd. relies on customers as well as suppliers for steel rule dies to ensure accuracy. Additionally, we shelve innumerous steel rule dies that you can browse to get an idea of our custom gasket manufacturing capabilities. We do everything we can to ensure production costs are stable, and that we are capable of meeting extremely tight tolerances. We provide die cut gaskets in quantities ranging from sample prototypes and short runs to large production runs of hundreds of thousands of pieces. A.J. Rubber & Sponge Ltd. takes great pride in our ability to consistently and accurately produce custom seals and die cut gaskets that are guaranteed to meet your exact specifications, and function as intended within your application:

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

Non-metallic materials we have available for use in custom die cut gaskets include:

  • Neoprene/EPT (ethylene-propylene-terpolymer)/SBR (styrene butadiene rubber) blended closed cell sponge
  • EPDM (ethylene propylene diene monomer rubber) closed cell sponge
  • Vinyl nitrile closed cell sponge
  • SBR (red rubber) food grade closed cell sponge
  • Crosslinked polyethylene
  • ECH (epichlorohydren)
  • Silicone rubber
  • Silicone foam
  • Solid rubber ie. neoprene, EPDM (ethylene propylene diene monomer rubber), SBR (red rubber) etc.
  • Polyester & polyether open cell foams
  • PVC (polyvinyl chloride) foam
  • Microcellular urethane
  • Sound absorbing foam

In addition to the above materials, we are capable of sourcing and producing any type of non-metallic seal or gasket for any industry. Simply ask us what you are looking for!

A.J. Rubber & Sponge Ltd. specializes in custom gasket fabrication and custom seal fabrication for a variety of industrial applications, including but not limited to:

  • Aerospace & aviation industry
  • Oil & gas drilling, production & refining industries
  • Machinery, heavy equipment & transformer manufacturers
  • Heating, air conditioning, & plumbing industries
  • Appliance & small tool
  • Chemical & petro-chemical industry
  • Furnace & boiler manufacturers
  • Pulp & paper processing plants
  • Construction & contracting industry
  • Foundry, steel & mining companies
  • Steel mills
  • Utilities, power generation & tank car manufacturers
  • Transportation, electronic, & hi-tech industries
  • Pumps & compressors
  • Engines: gas, diesel & turbine
  • Military, department of defense & ship building industry

All of the seals and gaskets we fabricate/produce for our clients are custom designed and manufactured to meet the outlined specifications. We are capable of supplying precision gaskets, seals and custom die cut parts that will perform efficiently for their intended purpose. The seals and gaskets we custom manufacture are incorporated in many industries, as per the above list.

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