Silicon gun,Steel Half-Open Caulking Gun

Silicon Gun / Steel Half-Open Caulking Gun – Detailed Description

The Silicon Gun, also known as a Steel Half-Open Caulking Gun, is a manual dispensing tool used for applying sealants, adhesives, and silicones from standard cartridges. Constructed with a durable steel frame and an open barrel design, it provides excellent control and ease of use, especially in tight or awkward spaces.

Its half-open frame allows for quick cartridge loading and removal, while the smooth pressure trigger ensures steady, precise flow of material with minimal effort. Designed for professional and DIY applications, it is ideal for sealing gaps, joints, cracks, and construction seams in building, plumbing, and automotive projects.

Engineered for durability, this caulking gun is compatible with most 280ml to 300ml silicone cartridges and features a built-in puncture pin and cutter for added convenience.

Applications

• Sealing window and door frames

• Filling cracks in walls or floors

• Waterproofing bathrooms and kitchens

• Applying adhesives for construction and woodwork

• Plumbing and pipe sealing

• Automotive windscreen and body sealing

Features

• ✔️ Durable steel construction for long life

• ✔️ Half-open frame for easy cartridge replacement

• ✔️ Smooth trigger mechanism for controlled flow

• ✔️ Comfortable grip handle for fatigue-free operation

• ✔️ Compatible with standard 280–300ml cartridges

• ✔️ Built-in nozzle cutter and seal puncture pin

• ✔️ Lightweight yet strong for professional use

Specifications Table

Frequently Asked Questions

1. Can I use this caulking gun with polyurethane or acrylic sealants?
Yes, the gun supports most standard 280–300ml cartridges, including silicone, acrylic, polyurethane, and adhesive sealants.

2. What is the advantage of a half-open frame?
A half-open (skeleton) design makes it easier to insert and remove cartridges quickly while keeping the tool lightweight and portable.