About SJG International
Over 50 years of manufacturing experience
SJG International is a family-run UK manufacturer specialising in rubber extrusions, gaskets, foam conversions and vacuum rings. From our manufacturing unit in Alcester, Warwickshire, we support customers across a wide range of industries.
A Trusted UK Manufacturing Partner
SJG International is a family-owned UK manufacturer specialising in gasket manufacturing, rubber and silicone extrusion, and foam conversion solutions.
With over 50 years of experience and a highly knowledgeable long-standing team, we work closely with customers to deliver reliable solutions, responsive support and consistent quality across every project.
Design and development support
SJG supports customers with practical design and development input, helping turn requirements into manufactured solutions. From early ideas through to production, the team can provide guidance around materials, processes and project feasibility.
- Technical input
- Project
- Manufacturing knowledge
- Point Four
Latest News & Insights
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Investing in the Next Generation
During November we welcomed some students from Heart of Worcester College who are studying Engineering. The students visited for a factory tour and to learn a little more…
Further Investment in New Machinery
The week commencing 8th November we took delivery of a new waterjet from WARDjet to further increase our cutting capabilities. The machine further increases capacity and gives us…
New EDM Wire Eroder
Our new EDM wire eroder will help support quicker turnaround and increased capacity for new tooling in our rubber extrusion department.
Doing Our Bit to Help the Healthcare Industry at This Difficult Time
During this difficult time with the outbreak of Corona virus, the services of SJG have been called upon. We were contacted to see if we could assist urgently…
Solutions Across Multiple Industries
Explore how SJG International supports customers with bespoke manufacturing solutions across a wide range of sectors.
Water Tight
Assisting with a project where a range of co-extrusion were extrusion were required for a client as a result of ingress of flood water.
Tool Control
Assisting with a project where a range of co-extrusion were extrusion were required for a client as a result of ingress of flood water.
Dual Hardness Extrusions
Assisting with a project where a range of co-extrusion were extrusion were required for a client as a result of ingress of flood water.
A Team Built On Experience
Many members of our team have been with SJG International for over 20 years, providing customers with trusted expertise, responsive communication and dependable support.
Get in touch today
Whether you have a new project enquiry, need support with an existing order or would like advice on materials, processes or manufacturing options, send us a few details and we’ll point you in the right direction.
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What we manufacture
For over 40 years, SJG International has manufactured rubber, foam and gasket solutions for customers across a wide range of industries.
We produce components that seal, insulate, protect and cushion in demanding environments, supporting projects from material selection and prototype design through to final manufacture.
Gaskets
We design and manufacture non-metallic gaskets for demanding applications, including aerospace, military and marine environments.
Foam
We split, shape, form and convert foam for a wide range of uses, from product packaging to buoyancy aids.
Extrusions
We manage rubber extrusion projects from prototype through to production, supporting both small orders and high-volume runs.
Vacuum Rings
We manufacture vacuum rings for laminated glass applications where a reliable seal is essential.
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Supporting Diverse Industries
We work with customers across a broad range of industries, delivering solutions tailored to sector-specific requirements and technical challenges.
Automotive
Reliable manufacturing solutions for demanding automotive environments
Aerospace
Precision-engineered products supporting critical aerospace applications
Construction
Durable solutions designed for construction and infrastructure projects
Medical
High-quality materials and manufacturing for specialist medical applications
How SJG has grown
SJG has expanded over time through experience, partnerships and acquisitions, building a broader product portfolio while maintaining a focus on service and quality.
SJ Gaskets Ltd
The company began by supplying gaskets, washers and sheeting materials for customers needing sealing solutions.
Reputation for quality
SJG quickly built a strong reputation for service and quality.
Zotefoam partnership
The company became a key distributor and partner to Zotefoam PLC, converting Plastazote and Evazote foams.
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Explore more about SJG
Learn more about SJG’s manufacturing capabilities, design support and the work we deliver for customers.
Zotefoam partnership
The company became a key distributor and partner to Zotefoam PLC, converting Plastazote and Evazote foams.
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Our Products
Extrusion
Custom rubber and silicone extrusions engineered to meet precise specifications.
Foam
Protective and technical foam solutions tailored to a wide range of industries.
How We Work
Everything we produce is designed, tooled and manufactured at our custom-built unit in Alcester.
We have full CAD design capabilities in-house and we can work from a drawing supplied by you, or create one to your specifications and requirements.
We’re able to advise our customers on materials, processes and costs, as well as providing feasibility studies, prototypes and testing.
Designed in-house
Full CAD design capabilities to support supplied drawings or new specifications.
Tooled and manufactured in Alcester
Products are designed, tooled and manufactured at SJG’s custom-built unit.
Advice and feasibility
Support with materials, processes, costs, feasibility studies, prototypes and testing.
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