About Company

For more than 50 years, A.J. Rubber & Sponge Ltd. has been manufacturing premier sponge gaskets and seals for use in commercial and industrial applications such as but not limited to sealing and insulating. Our mission is to offer the very best customer service, and the finest quality sponge gaskets and seals, in the cellular rubber products industry. From prototyping through to final product runs, we are committed to setting ourselves apart from our competitors by delivering excellence at all levels of every sponge gasket and seal project that we undertake. Our highly skilled team aids business owners and production managers in the following industries with their sponge gasket and seal requirements:

  • Transportation
  • Furniture and decor
  • Packaging
  • HVAC
  • Military
  • Appliance
  • Automotive
  • Sporting goods
  • Manufacturing & fabrication
  • Construction & general contracting
  • General industrial
  • Medical
  • Aerospace & defense
  • And many others

A.J. Rubber & Sponge Ltd. takes great pride in meeting the expectations of our valuable clients; our sense of responsibility has helped us develop enduring relationships with both our customers, and our suppliers. Our in-house machine services assist in fabricating the most dependable products, and we provide the fastest turn-around times for even the most intricate sponge gaskets and seals:

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

All of A.J. Rubber & Sponge Ltd.'s production runs of sponge gaskets and seals are always completed on time and within budget. We manufacture a vast array of sponge gaskets and seals, and other styles of gaskets and seals, such as:

  • SBR sponge gaskets
  • Epichlorohydene sponge gaskets
  • Closed cell EPDM sponge gaskets
  • Custom gaskets & seals
  • Vinyl nitrile sponge gaskets
  • Other sponge gaskets
  • Neoprene sponge gaskets
  • Polyethylene gaskets

A.J. Rubber & Sponge Ltd. is owned and operated by the brother and sister team of John and Andrea Mathew. John and Andrea both possess strong senses of community, and believe in helping others learn and advance by volunteering their time and efforts to a variety of youth sports teams in and around Hamilton, Ontario. They also work with a group of devoted engineering undergraduate students who form McMaster University's Baja Racing Team. They compete regularly in in the SAE Baja Series, a collegiate off-road vehicle competition that simulates real-world engineering design projects and their related challenges. In the alternative health community, Andrea Mathew is well-known as an international yoga and Ayurveda teacher, and the founder and owner of Riya Yoga. She's also a certified reiki master, Thai yoga massage practitioner, children's author and professionally trained musician.