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10 Best Cordless Caulk Guns 2025 in the UK

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

Ryobi RCG18-0 18V ONE+ Cordless Caulking Gun (Bare Tool)

Rating
9.8
Chosen by1,315
Battery Life
Speed Control
Cartridge Compatibility
Battery Life
With a 5ah Ryobi battery, the tool's longevity is impressive, lasting months on a single charge, making it a reliable choice for extensive projects.
Speed Control
This caulking gun provides a consistent and smooth bead of silicone, thanks to its speed control and continuous output, significantly easing the sealing process.
Cartridge Compatibility
The value of the Ryobi RCG18-0 is enhanced with its compatibility with DeWalt 18v batteries through a cheap adapter, broadening its utility.

The Ryobi RCG18-0 18V ONE+ Cordless Caulking Gun is designed for convenience and flexibility, especially for those already invested in the Ryobi ONE+ system. One of its standout features is the universal battery compatibility, which allows users to power multiple tools with the same battery, though it's important to note that the battery itself is not included. This means you'll need to purchase it separately if you don't already own one.

Weighing in at 1.62 kilograms, the gun is relatively lightweight, making it easier to handle for extended periods without causing fatigue. The trigger lock feature is a practical addition, reducing the risk of accidental starts, which can be particularly useful for beginners.

In terms of performance, the flow control dimmer is a key feature, providing even application of caulk, which is crucial for ensuring a smooth, professional finish. However, the specifics of the thrust ratio aren't detailed, making it difficult to assess its power relative to other models. This might be something to consider if you're dealing with particularly thick materials.

The quick push removal mechanism for cartridges streamlines the process of changing caulk tubes, thus saving time during a project. This, combined with the heavy-duty gear and cartridge holder, suggests a durable build that can withstand frequent use. However, the lack of included batteries and possibly additional cartridges could add to the initial cost if you're not already equipped.

Customer reviews are generally positive, with a 4.4 out of 5-star rating, indicating satisfaction with the product for most users. If you're looking for a cordless caulk gun that offers flexibility and is part of a larger tool system, the Ryobi RCG18-0 is a compelling choice. Just keep in mind the additional costs for the battery if you're not currently using the Ryobi ONE+ system.

Rating
9.8
Chosen by1,315
Battery Life
Speed Control
Cartridge Compatibility
Battery Life
With a 5ah Ryobi battery, the tool's longevity is impressive, lasting months on a single charge, making it a reliable choice for extensive projects.
Speed Control
This caulking gun provides a consistent and smooth bead of silicone, thanks to its speed control and continuous output, significantly easing the sealing process.
Cartridge Compatibility
The value of the Ryobi RCG18-0 is enhanced with its compatibility with DeWalt 18v batteries through a cheap adapter, broadening its utility.
#2

Makita DCG180Zakku-Gun 18 V Without Battery Charger

Rating
9.6
Speed Control
Ease of Use
Speed Control
Perfect for those with physical limitations; it's easier to manage and helps avoid unnecessary waste by controlling speed.
Ease of Use
A true game changer for caulking tasks, eliminating fatigue and ensuring consistent beads with ease.

The Makita DCG180Zakku-Gun is a cordless caulk gun designed for those who need flexibility and portability in their caulking tasks. One of its strengths lies in its compatibility with both 310 ml cartridges and 600 ml hose bags, offering versatility for different types of jobs. However, this product does not include a battery or charger, which means you'll need to purchase these separately to get started. The tool is powered by an 18V battery, and weighing in at 2.4 kilograms, the tool is relatively lightweight, making it easier to handle during extended use. Additionally, the design prevents unwanted leakage of materials when the switch is released, which is a useful feature to keep jobs neat and reduce waste.

Speed control is another feature of this model, allowing users to adjust the dispensing rate according to their needs, adding to its usability. The lack of an included battery and charger could be inconvenient and adds to the cost. With a high customer satisfaction score of 4.7 out of 5, users generally appreciate its performance and reliability. This Makita model is well-suited for both professional tradespeople and DIY enthusiasts who require a reliable, adaptable, and easy-to-use caulk gun for various projects.

Rating
9.6
Speed Control
Ease of Use
Speed Control
Perfect for those with physical limitations; it's easier to manage and helps avoid unnecessary waste by controlling speed.
Ease of Use
A true game changer for caulking tasks, eliminating fatigue and ensuring consistent beads with ease.

Buying Guide for the Best Cordless Caulk Guns

Choosing the right cordless caulk gun can make your sealing and adhesive tasks much easier and more efficient. When selecting a cordless caulk gun, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specifications will help you make an informed decision and find a tool that suits your specific requirements.
Battery LifeBattery life refers to how long the cordless caulk gun can operate on a single charge. This is important because it determines how much work you can get done before needing to recharge. Battery life can vary widely, with some models offering just a few hours of use, while others can last all day. If you have large projects or plan to use the tool frequently, look for a model with a longer battery life. For occasional or smaller tasks, a shorter battery life may be sufficient.
Thrust RatioThe thrust ratio indicates the amount of force the caulk gun can apply to the caulk tube. This is crucial for dispensing thicker materials or working with high-viscosity adhesives. Thrust ratios typically range from around 12:1 to 24:1. A higher thrust ratio means more force, which is beneficial for heavy-duty applications. For general-purpose use or working with standard caulks, a lower thrust ratio may be adequate.
Speed ControlSpeed control allows you to adjust the flow rate of the caulk. This is important for achieving a smooth, even bead and for working with different types of materials. Some models offer variable speed settings, while others have fixed speeds. If you need versatility and precision, look for a model with adjustable speed control. For simpler tasks, a fixed speed may be sufficient.
WeightThe weight of the cordless caulk gun affects how comfortable it is to use, especially for extended periods. Heavier models can be more tiring to handle, while lighter models are easier to maneuver. Consider the weight in relation to the duration and frequency of your tasks. If you have a lot of work to do or need to reach awkward angles, a lighter model may be more suitable.
Cartridge CompatibilityCartridge compatibility refers to the sizes and types of caulk tubes the gun can accommodate. This is important because not all caulk guns can handle every type of cartridge. Common sizes include 10 oz and 20 oz tubes. Ensure the model you choose can fit the cartridges you plan to use. If you work with a variety of materials, look for a model that offers flexibility in cartridge compatibility.
Ease of UseEase of use encompasses features like ergonomic design, trigger comfort, and how easy it is to load and unload cartridges. These factors are important for reducing hand fatigue and improving overall user experience. Look for models with comfortable grips, smooth trigger action, and straightforward cartridge loading mechanisms. If you plan to use the tool frequently, these features can make a significant difference in comfort and efficiency.