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Aircraft Sealant Guns

Our range of aircraft sealant guns is designed to deliver precise, consistent application in aerospace, MRO, and high-spec manufacturing environments. Suitable for use with standard 6oz cartridges and SEMCO-type systems, these tools provide controlled dispensing for structural sealants, fuel tank sealing, and composite work.

We supply both pneumatic and manual sealant guns, allowing you to choose the right solution for your application. Pneumatic models offer smooth, even material flow with reduced operator fatigue, ideal for larger jobs and continuous use. Manual options provide greater control for detailed work, touch-ups, and applications where precision is key.

Designed for clean delivery and minimal waste, these tools ensure accurate bead control and a professional finish every time. Options are available for straight-line applications, as well as models with integrated mixing capability for two-part sealants.

Built for durability and ease of maintenance, all models are easy to clean and compatible with a wide range of aerospace-grade sealants. Trusted by technicians across commercial and military aviation, they provide reliable performance in demanding environments.

Why Buy from William Lees & Sons?

With over 30 years of experience, William Lees & Sons is a trusted supplier of aircraft and sheet metal tooling to industries worldwide. We’re known for:
  • Competitive pricing across a wide product range
  • Expert technical support from an experienced team
  • Reliable service you can depend on
Our tools are used across aerospace, automotive, motorsport, and engineering sectors - supporting both major organisations and smaller specialist businesses.

Need help choosing the right tool?

Call us in the UK: 01698 426662 International: +44 1698 426662 Or email us – our team is ready to assist.