Our Products

Fire Proof Seals

Kirkhill is the premier manufacturer of highly engineered fireproof seals for both commercial and military applications. Our seals successfully protect critical areas of the aircraft when the unexpected happens.

Aerodynamic Seals

Kirkhill has pioneered the design & development of thousands of aerodynamic seals over the last 70 years.

Door & Hatch Seals

The complex nature of pressurized aircraft doors and hatches calls for bespoke seals, something that Kirkhill has a long pedigree.

Flexible Connectors

When it comes to high performance, custom designed and manufactured ducts/connectors to handle air, gas and fluids, no other capability compares with Kirkhill.

Low Observables

Kirkhill produces a variety of low observable materials & products using two basic concepts: absorption and reflection.

Inflatable Canopy Seals

Kirkhill’s inflatable canopy seals have long been the staple for seal canopies on all U.S. fighter jets and aircrafts.

Molded Seals For Military

Kirkhill’s molded rubber capability includes compression, transfer and injection molding. In addition, depending on part tolerances and other criteria, many rubber compounds can be used as an alternative or in combination with our various manufacturing techniques.

Special Applications

Kirkhill’s elastomer material formulation, design engineering and manufacturing experts have decades of experience in producing seals for a variety of applications and environments.

Ablative Insulation

Kirkhill’s thermodynamics expertise helps to ensure our ablative insulation prevents fires from spreading between critical zones of the application.

Elastomeric Exterior Protection

Kirkhill developed Proprietary Erosion Resistant Material to resist demanding airborne debris challenges and thermal exposure.

Molded & Extruded Products

Kirkhill has a cost effective molded and extruded elastomer solution for every application. We offer both high performance aerospace and defense seals.

Silicone Stretchtape™

Kirkhill reinforced Stretchtape™ is a custom-manufactured dielectric grade silicone tape. This tape provides superior performance in a single wrap that other tapes would require multiple to accomplish.


All our seals are designed, developed and manufactured in our Brea, California facility. We remain vertically integrated and do everything in-house, from extruding to finishing, so that we are able to maintain the high-quality standards for our customers. Being solely based in Brea, we are able to address any challenges that may arise quickly and efficiently. While we may be based in the United States, our presence is felt worldwide.

who are we?


Kirkhill is a global leader in high-performance elastomer products. We are headquartered in Brea, California with over 100 years of experience. Our engineered, high-performance elastomer products can be found on commercial, military, and business aircrafts around the world as well as on missiles, space launchers and satellites. Customers include: Boeing, Airbus, Lockheed Martin, General Electric, Rolls Royce, Pratt & Whitney, Collins Aerospace, SAFRAN, along with many Tier 1 sub-contractors. Our customers count on our experienced and innovative elastomer formulations, product design, prototyping and manufacturing capability to provide cost-effective solutions for a wide variety of applications.

More Info

Why choose us?


    We utilize our unmatched knowledge and processes to engineer and manufacture organic and inorganic elastomer-based products to meet the requirements of airframe, defense and space applications worldwide. We can design, develop and manufacture innovative solutions for just about any need or application. We are your “one-stop shop”.


    Aerospace OEMs and subcontractors count on our experienced and innovative elastomer formulation, product design, prototyping and lean manufacturing capability to provide high quality cost-effective solutions for a wide variety of demanding applications. The precision and craftsmanship that goes into our products is a result of stringent quality systems, process control and all of our employees working together to deliver for our customers.


    We take our commitments very seriously. We deliver to our OEM production schedule obligations as well as provide clear and consistent communication. Additionally, we provide stellar application & technical assistance as well as prompt customer service alongside a global aftermarket distribution network.

latest news

Kirkhill launches New Website

Kirkhill Inc. today announced the launch of its new website at www.kirkhill.com. Our new site combines ease of use and detailed information in a unique way for a multitude of our stakeholders.

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Kirkhill Inc. raises over $80,000 for Juvenile Diabetes

On Sunday, Nov. 3, 2019 employee volunteers from Kirkhill Inc participated in the Orange County, CA JDRF One Walk where they raised over $40,000 for juvenile diabetes treatment and research.

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Kirkhill celebrates 100 Years in Innovation and Quality!

Kirkhill Inc. is celebrating its 100th anniversary this year! 2019 marks 100 years since our founder Thomas Kirk Hill established the company as The Kirkhill Rubber Company in 1919.

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