Xpert Heavy Duty Mastic Gun – Skeleton Gun

Xpert Heavy Duty Mastic Gun (Skeleton Gun)

The Xpert Heavy Duty Mastic Gun is a robust and reliable sealant applicator designed for smooth, controlled dispensing of silicone, adhesive and mastic cartridges. Built for both professional tradespeople and DIY users, this durable skeleton gun delivers consistent performance on everyday sealing and bonding tasks.

Featuring a pressure release trigger, the gun helps prevent unwanted sealant run-on, reducing mess and material waste while giving greater control over application. An integrated nozzle cleaner is conveniently built into the frame, allowing blockages and dried sealant to be cleared quickly without the need for additional tools.

Designed to accept standard 310ml cartridges up to 218mm in length, the Xpert Skeleton Gun provides a secure fit and reliable operation. Its lightweight yet sturdy construction and ergonomic grip ensure comfortable use during extended applications, making it ideal for sealing windows, doors, joints, frames and general maintenance work.

Whether you’re applying silicone around a garage door, sealing joints, or completing finishing work, the Xpert Heavy Duty Mastic Gun offers dependable performance and professional results every time.

Key Features

• Heavy-duty skeleton frame for strength and durability
• Pressure release trigger helps minimise run-on and reduce waste
• Integrated nozzle cleaner for quick removal of blockages
• Suitable for standard cartridges up to 310ml (218mm)
• Lightweight, ergonomic design for comfortable handling
• Provides smooth and controlled sealant application
• Ideal for silicone, mastic, adhesive and sealant cartridges

Specifications

• Brand: Xpert
• Product Type: Skeleton Mastic Gun / Sealant Gun
• Cartridge Capacity: Up to 310ml
• Maximum Cartridge Length: 218mm
• Features: Pressure Release Trigger, Integrated Nozzle Cleaner
• Application: Silicone, sealants, mastics and adhesives
• Suitable For: Trade and DIY use