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FAITHFULL Heavy-Duty Mastic Gun


Barcode: 5023969265087

The Faithfull Heavy-Duty Mastic Gun is a testament to its unwavering commitment to durability and user convenience. Crafted from robust, heavy-gauge steel, this mastic gun is designed for superior performance and longevity. Its ergonomically ribbed finger grips on the generously sized handle offer 360-degree comfort during operation. The gun boasts a remarkable double-spring ratchet mechanism, ensuring precise sealant feed with each trigger pull and an instant return upon release. To maintain optimal functionality, a practical nozzle cleaning pin is thoughtfully integrated into the handle. This trusty tool can accommodate cartridges up to 425ml, with a substantial barrel length of 285mm, and boasts an impressive 10:1 thrust ratio, making it an indispensable asset for any heavy-duty sealant application.


  • Constructed with heavier gauge steel for superior durability.
  • Ribbed finger grips on the handle provide added comfort during use.
  • Double-spring ratchet mechanism - instant return upon release.
  • A nozzle cleaning pin is located on the handle for easy maintenance.
  • This mastic gun can handle cartridges up to 425ml in size.
  • 10:1 thrust ratio.


  • Capacity: 425ml
  • Length: 410mm
  • Width: 210mm
  • Depth: 55mm
  • Barrel Length: 285mm
  • Barrel Diameter: 53mm
  • Weight: 637g