MAKITA DCG180RTB
18v Sealant gun
- 1 x 5.0Ah Li-ion battery and charger
- Variable speed
- Max push force: 5000N
- Takes 300ml cartridge & 600ml sausage
- Only supplied with 600ml adaptor
- Carry case
- 1 x 5.0Ah Li-ion battery and charger
- Variable speed
- Max push force: 5000N
- Takes 300ml cartridge & 600ml sausage
- Only supplied with 600ml adaptor
- Carry case
- 1 x 5.0Ah Li-ion battery and charger
- Variable speed
- Max push force: 5000N
- Takes 300ml cartridge & 600ml sausage
- Only supplied with 600ml adaptor
- Carry case
DCG180RTB
The Makita DCG180RTB is an 18V LXT cordless caulking gun supplied as a kit with one 5.0 Ah battery, fast charger, and carry case. It provides variable speed control and a 360° rotating sealant holder.
Key Features:
• Battery System: 18V LXT
• Compatible Cartridges: 300 ml / 600 ml sausage / bulk sealant
• Speed Control: Variable dial + trigger
• No‑Load Speed: 0–28 mm/s
• Pushing Force: 5000 N
• Anti‑Drip: Yes
• Holder Rotation: 360°
• Lighting: LED
• Accessories: 1× 5.0 Ah battery, charger, 600 ml holder, plungers, nozzles, carry case
Technical Specifications:
• Nominal Battery Voltage: 18 V
• Inner Diameter: 51 mm
• Stroke Length: 214 mm (300 ml) / 350 mm (600 ml)
• No‑Load Speed: 0–28 mm/s
• Sound Pressure: ≤ 70 dB(A)
• Noise Uncertainty: 3 dB(A)
• Vibration: ≤ 2.5 m/s²
• Vibration Uncertainty: 1.5 m/s²
• Product Net Weight: 1.7 kg
• Weight with Battery: 2.1–3.0 kg
• Dimensions: 404 × 108 × 281 mm
Alternative: Makita DCG180ZBK
For those who already use LXT batteries, the DCG180ZBK is available as a body-only version with a case.
Sealant guns, also known as caulking guns, are often used by kitchen fitters, glaziers & decorators among many other trades. Sealant guns can take a wide variety of cartridges, or sausage cartridges. Click here to see all our renovating & decorating tools
- 1 year warranty can be extended to 3 years by registering the tool online within 30 days of purchase, subject to the following conditions:
- the tool is CE marked and was purchased on or after 1st July 2012
- the tool is not an Air Compressor/ Air Tool, a Battery/ Charger, an Accessory, or a Petrol or Production Tool - To register your tool for extended warranty click here
- Warranty claims: Please request a collection from Makita using their returns form. Alternatively, you can speed the process up by taking the tool to your nearest approved Makita Area Service Agent. You can find your nearest agent here. When searching for your nearest agent on the website you will need to select the 'Service - Electric' tick box for a power tool warranty claim, or the 'Service - Garden Machinery' tick box for a garden tool warranty claim. Please contact Howe Tools should you need any assistance.
- You can order until 8pm for free next working day delivery to nearly all of England and Wales. For locations further from our hub, our cut off is 5pm. Some harder-to-reach locations may take an extra day. More info »
- For most orders we use a premium carrier that notifies you of a one hour timed delivery slot and sends text updates.
- If you change your mind within 30 days of buying a tool, no problem. Provided the tool has not been used and is in its original packaging, please email us at [email protected] quoting your order number, and we'll reply with your return options.
- If the tool is faulty within 30 days of buying it, we will arrange for its collection at no cost to you and supply a replacement.
- If the tool is faulty after 30 days of buying it, and before the expiry of the manufacturer’s warranty, we will guide you through the manufacturer’s warranty process.



