Gaskets & Seals You Can Trust

Custom Gasket Solutions for HVAC, Appliance, Hearth, Transport, MRO & OEM

high temperature gaskets

At Specialty Gaskets Inc., you’ll find the full range of gasket and seal solutions you need — from rubber gaskets to all custom gasket designs, metal and specialty sealing materials, and high performance gasket sheets. As a Canadian based manufacturer with decades of experience, we understand that when your system requires precision gasketing and sealing, you need reliable materials, consistent supply, and technical expertise you can count on.

Speak with a Rep: 905-564-0807

Why Our Gaskets Matter for Your Business

When you specify a gasket, you’re choosing what keeps your system sealed, safe, and efficient. Our solutions are designed to tackle demanding environments, from high temperature gasketing in hearth or appliance applications, to corrosive or pressure tight sealing in industrial and HVAC systems. Whether you call them a rubber gasket, all custom gasket, or simply gasket and seals, our team delivers materials engineered for your unique requirements.

With over 40 years of expertise, Canadian production in Mississauga and Montreal, and a commitment to supply across North America, we’re your go-to for cost-effective, high quality sealing solutions.

Let’s Talk Solutions: Request a quote today and we’ll help you find the right product to meet your performance and production needs.


Comprehensive Gasket & Seal Product Range

We provide an extensive lineup of gasket materials to match your application:

  • Rubber Gaskets – flexible, durable sealing for HVAC, appliance, transport and general MRO applications
  • Custom Gaskets – crafted to your dimensions, materials and performance specs; you get the exact gasket your system demands
  • Variety of Gasket Solutions & Seals – including metal gaskets, spiral wound, compressed sheets, PTFE, graphite, and rubber/plastic hybrids.
  • Specialty Gasket Materials – when standard seals won’t do, our specialty materials deliver higher temperature, chemical resistance, or extreme reliability

Industries We Serve. Tailored for Your Sector

Our gasket solutions are engineered for the industries you operate in:

HVAC - sealing ducts, flanges, junctions, and equipment where reliability and efficiency matter.

Appliance Manufacturing – precision rubber and custom gaskets for ovens, refrigerators, ranges and other high volume OEM assembly

Hearth – gaskets and seals suited for high temperature and cyclic use in stoves, fireplaces, and hearth applications

Transport – seals for rail, bus, marine and heavy duty equipment where durability counts

MRO & OEM Manufacturing – we provide both standard and custom solutions to support maintenance, repair, and full production runs.

Each industry has unique demands; our Canadian based facility provide flexibility, quick turn arounds, and large volume capacity so you can keep moving forward.

Contact us today to get started!



Read More: Blog Post: What Are The Different Types of Gaskets?

Blog Post: High-Temperature Gaskets: Top Materials & Selection Guide

Technical Support & Customization

Your application is unique and so are our gaskets. Whether you need a one off prototype, a production scale order, or advice on the right compound for your operating environment, our team is here to help. From concept to production, we design, cut, and supply gaskets to fit your exact needs.

Technical Performance You Can Rely On

Our gasket materials are selected and tested to meet industry standards for sealing integrity, durability, and compliance. Below are general performance ranges, actual specifications vary by material and application.

Property Typical Range/Specification Notes
Temperature Range -60°F to +1000°F (-51°C to +538°C) Material dependent (rubber, graphite, fiberglass, etc.)
Pressure Rating Up to 2,000 psi Depending on material and flange design
Compression Set ≤ 25% (elastomers) Maintains reliable sealing under stress
Chemical Resistance Excellent in oils, coolants, mild acids Choose material based on media exposure
Tensile Strength 800–3,000 psi Indicates flexibility and resistance to tearing
Thickness Range 0.015” – 1” Custom thicknesses available
Cutting Options Die cut, waterjet, laser, or CNC Precision manufacturing for all gasket types

Need a Data Sheet?
Contact us for detailed specifications, performance data, and compliance documentation tailored to your application.

Frequently Asked Questions