Specialty Sealants for Fuel Tanks and Fuel Systems

Protect your aircraft’s sensitive systems with fuel tank sealant from GracoRoberts. Our fuel tank sealants are critical for maintaining safety and performance, stopping or preventing leaks in aircraft fuel systems. These sealants are designed to withstand constant exposure to fuel, hydraulic fluids and extreme temperatures, creating secure, long-lasting seals that prevent leaks and corrosion. Whether you're working on commercial airliners, military jets or another type of aircraft, the right aviation sealant is essential to protect your equipment and ensure flight readiness.

Our large selection of sealants for aircraft includes high-performance options from trusted brands and are engineered to meet or exceed OEM and MIL-SPEC requirements. These aircraft sealant products are resistant to fuel and weathering, offering exceptional adhesion and flexibility under stress. From access doors to integral fuel tanks, every airplane sealant we carry is tested for quality and reliability.

Each aviation sealer in our inventory is formulated to match specific aircraft maintenance needs, whether you’re sealing a fuselage panel, wing section or fuel bay. Popular solutions like Naftoseal MC-650 B-1 Fuselage Sealant deliver superior performance in high-pressure zones where precision matters most. Looking for guidance? Explore our solutions library to find expert insights, application tips and compatibility information for many of our aerodynamic sealant products and beyond.

When you need performances backed by expertise, you need GracoRoberts. We understand the demands of aerospace operations, which is why we provide a broad selection of premium aircraft sealer solutions, backed by technical support and expert recommendations. Get the job done right the first time — because when it comes to critical tasks like sealing fuel tanks, there’s no room for guesswork.