10 Best Cordless Caulk Guns 2025 in the UK

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.

The Milwaukee 2441-20 M12 10 oz Caulk Gun is a cordless tool that caters well to those in need of a reliable device for caulking tasks. One of its notable strengths is its ease of use, making it accessible for both DIY enthusiasts and professionals. Its compact design and relatively lightweight construction at 2.08 kg allow for better handling and reduced fatigue during prolonged use. The tool requires a 12-volt lithium-ion battery, which is not included, potentially adding to the initial cost. However, users have praised its battery life, which is crucial for uninterrupted work sessions.

A standout feature is the tool’s thrust ratio, which provides sufficient power to handle a variety of caulking materials efficiently. This is particularly beneficial when dealing with thicker materials. Speed control options enhance precision, enabling users to apply caulking evenly without mess or waste. This caulk gun is compatible with 10 oz cartridges, which are standard in most applications, ensuring versatility across different tasks.

While it ranks fairly well in the caulking gun category, some users might find the lack of included batteries inconvenient, as it requires the purchase of a separate power source. Additionally, being a tool-only purchase means it’s better suited for those who already own M12 batteries and chargers. Despite these drawbacks, its high durability and frustration-free certification hint at a product designed to withstand frequent use. In reviews, it generally receives high marks, with users appreciating its performance and reliability.

The Milwaukee 2441-20 is ideal for those who seek a durable, user-friendly cordless caulk gun that efficiently handles various caulking tasks without being overly complicated.

The Makita CG100DZA 12V Max Li-Ion CXT Caulking Gun is a handy tool for those in need of a portable and efficient caulking solution. One of its greatest strengths is its compact and lightweight design at just 1.7 kg, which makes it easier to handle for extended periods without causing fatigue. The anti-drip function is a notable feature that helps prevent messes and wasted material, adding to its ease of use. Additionally, the inclusion of a trigger lock and an LED job light enhances its functionality by providing better control and visibility in dimly lit areas.

However, there are a few considerations to keep in mind. The caulking gun requires a separate purchase of batteries and a charger, which can be an inconvenience and an additional cost for users who don't already own compatible Makita products. With a voltage of 10.8V, it offers moderate power, but the battery life can vary depending on usage, so it might not be ideal for heavy-duty tasks.

The gun is designed to accommodate 300ml cartridges which should be adequate for most standard applications but may not suit larger, industrial-grade jobs. Makita offers a solid warranty of up to three years, provided the product is registered and genuine parts are used, adding a layer of assurance for potential buyers. This caulking gun is well-suited for DIY enthusiasts and professionals who require a reliable and portable option for smaller scale tasks.