Tajima CNV-J900SP 900ML Convoy Super Caulking Gun

The Tajima CNV-J900SP 900ML Convoy Super Caulking Gun is a professional-grade caulk gun designed for consistent, reliable performance in demanding environments. Built to handle thick and heavy materials with ease, this model features a 900ml (1 quart) capacity, a rotating handle, and Tajima’s exclusive Twin-Thrust™ dispensing system, making it a go-to tool for long days on construction sites, shop floors, or industrial work zones. It combines smart design with rugged manufacturing to deliver smooth dispensing, automatic flow control, and effortless tube changes, improving speed and precision while reducing user fatigue.

Engineered with dual-thrust power control, this caulking gun can be quickly switched between standard and high-power modes. The DP dual power system increases thrust force by 40% when needed, making it ideal for handling thick, viscous adhesives and sealants. The gun’s steel-welded barrel, ultra-light aluminum handle, and twist-lock tube removal system all add up to one of the most dependable and time-saving caulk guns in its class. 

Tajima 900ML Convoy Super Caulking Gun At a Glance

• Twin-Thrust™ Dispensing System: 4-edge valve plates increase thrust force for consistent pressure, even with hard materials.
• DP Dual Power System: Increases thrust force by 40% with a simple lever pull, perfect for high-viscosity caulks.
• Auto Flow Stop Mechanism: Retracts plunger slightly after each trigger release to prevent drips and mess.
• 360° Rotating Handle: Keeps nozzle angle steady in tight or awkward working spaces.
• Twist-Lock Barrel Removal: Speeds up tube changes without disassembly or tool use.
• Ultra-Lightweight Design: Reduces fatigue during repetitive or overhead use.
• Steel Welded Barrel and Rugged Aluminum Handle: Durable materials that hold up to daily jobsite wear.
• Contoured Grip and Built-In Ladder Hook: Improves comfort and jobsite convenience.
• Full Plunger Release: Instantly stops flow for better material control.

Markets

• Construction and Renovation Crews Ideal for heavy-duty caulking tasks in framing, drywall, or building envelope projects.
• Window and Door Installers Excellent control and drip prevention allow for clean, precise sealing.
• Municipal and Facilities Maintenance Dual power and high capacity suit maintenance jobs requiring various caulks and sealants.
• Flooring and Tiling Professionals Smooth material flow ensures clean lines and consistent grout or adhesive application.
• General Contractors Reduces downtime with quick tube swaps and reliable output on big job sites.
• Industrial Manufacturers and Shop Technicians Suits consistent application in product assembly or sealing operations.
• HVAC and Mechanical Trades Handy in tight utility spaces where rotation and flow control are essential.

Built for the Job, Trusted in the Trades. Contractors, glaziers, and finishers will appreciate the ultra-lightweight build that cuts down fatigue during extended jobs, especially when working overhead or on ladders. Municipal workers, flooring crews, and window installers can benefit from the flow-stop system that cuts off excess material immediately—reducing cleanup and waste. Professionals working with thicker compounds will find the dual power lever a game-changer when shifting between soft and heavy material applications. This caulking gun delivers dependable performance in tight spaces, thanks to its 360° rotating handle, allowing users to keep the nozzle at the perfect angle.

Tajima CNV-J900SP 900ML Convoy Super Caulking Gun Features

• Twin-Thrust™ Dispensing System: 4 Edges of valve plates strengthen the thrust force of the plunger Handles hard materials with ease
• Increased thrust force with the powerful Twin-Thrust System
• Auto Flow Stop System: Plunger goes back a few millimeters after every push Stops the flow of material efficiently
• 360° Rotating Handle: Great for maneuvering in and around tight spaces to maintain ideal contact angle
• Smooth and dependable caulk guns with rotating handles
• Maximum performance caulk guns with extra-long barrels
• Steel welded frame and barrel for dependable performance
• Conveniently located seal puncture pin
• Rugged aluminum handle with contoured grip
• Ultra-lightweight caulk guns help alleviate fatigue from extended use
• Unique twist-lock barrel removal system allows for fast and easy tube changes
• Increased thrust force with the powerful twin-thrust dispensing system
• Automatic flow-stop mechanism
• Hassle-free tube loading
• Smooth and even dispensing with Tajima’s twin-thrust friction plates
• Full release of the handle automatically disengages plunger, stops flow
• Barrel access ports allow tube / nozzle angle rotation to match surface
• Ladder hook and eyelet to attach to a safety strap

Tajima CNV-J900SP 900ML Convoy Super Caulking Gun Capacity

• 1005 g
• 35 oz
• 900ml
• 1 quart

Tajima CNV-J900SP 900ML Convoy Super Caulking Gun Specifications

• Manufacturer: Tajima
• Model: CNV-J900SP
• Capacity: 1005 g / 35 oz / 900 ml / 1 quart
• Weight: 1.02 kg
• Dimensions: 48.26 x 17.78 x 7.62 cm

Why The Trades Trust The Tajima 900ML Convoy Super Caulking Gun

The Tajima CNV-J900SP is known among tradespeople as a go-to caulking gun for heavy materials like construction adhesives, polyurethane, and high-viscosity sealants. Whether you call it a caulk gun, adhesive gun, or sealant applicator, this tool consistently ranks high in performance and durability. Its easy-switch thrust system and anti-drip control are especially valued by professionals who can’t afford downtime or wasted product. From small fixes to large-scale sealing, this tool is built to handle what the job throws at you—day after day.