10 Best Electric Sealant Gun

Effortless Caulking At Your Fingertips: Experience the convenience of our cordless caulk gun that eliminates manual squeezing, reducing hand fatigue significantly. Perfect for both small touch-ups and large-scale projects like window installations, automotive windshields, door seals, and bathroom fixtures. Make every application smooth and comfortable with SEESII's power-assisted technology.

Long-Lasting Battery Performance: Powered by a robust 2000mAh battery, our electric silicone gun provides up to 180 minutes of continuous operation. With its powerful thrust capability, this electric sealant gun tool speeds up sealing tasks by 50% or more compared to manual methods. Complete large-scale projects without interruptions and experience efficiency that transforms how you approach caulking jobs.

No-Drip Precision Technology: The electric caulk gun delivers an impressive 300KG of push force while featuring an innovative no-drip mechanism that instantly stops material flow when you release the trigger. This smart design ensures clean, precise applications with no mess or material waste, giving you professional-looking results every time you tackle a sealing project.

4-Speed Adjustable Control: Our caulk gun battery powered features four customizable speed settings from 0 to 220 MM/min, giving you complete control over material flow. This versatility allows you to work with various viscosity levels - from thick construction adhesives to fluid sealants. Adjust the flow rate with precision for perfect results whether you're working on detailed finishing touches or covering larger areas.

Universal Cartridge Compatibility: Our battery caulking gun accommodates all standard 10oz (300ml) cartridges, making it your go-to tool for diverse projects. From bathroom sealing to window installation, this mastic gun handles silicone, acrylic, and other sealants with consistent performance. Enjoy the versatility that lets you tackle multiple applications without changing tools.

Complete Kit: Your purchase includes everything needed - electric caulking gun, two rechargeable 2000mAh Li-ion batteries, charger, and user manual.

Reliable Support : SEESII backs this sealant gun applicator with THREE-YEAR after-sale service and 24×7 customer support. Start your projects with confidence knowing our team is always ready to assist with any questions or concerns.

Efficient work: Compared with traditional manual caulking guns, our electric caulking gun can be used simply by loading the sealant and pulling the trigger, making it ideal for daily work and DIY projects. It is suitable for silicone, acrylic, PU and other cartridge sealants with a capacity of up to 300ml.

6-stage speed control: The silicone gun's integrated feed control allows you to choose from 6 speed settings for even, clean material application. Ideal for applications with varying viscosities—from thin acrylic paints to tough construction adhesives. Automatic feed rate control ensures consistent dispensing without manual re-pressing.

Equipped with a 2000 mAh battery: The cordless caulking gun supports cordless operation and comes with a 2000 mAh lithium-ion battery to ensure long-lasting operation and reliable performance. The cordless, battery-powered press rod offers maximum freedom of movement – ​​ideal for use on construction sites, during roof construction, or in hard-to-reach areas.

LED work light and anti-drip protection: Caulking tool clean and safe in any position. The integrated LED light illuminates the work area even in poor lighting conditions – e.g., under the sink, in a corner, or in interior design. Anti-drip technology prevents sealant from leaking after the trigger is pulled, enabling clean, professional work without wasting material.

Robust construction and ergonomic design: Cordless silicone gun the housing of the cordless silicone gun is ideal for continuous use. Its yellow color ensures good visibility on the construction site. The ergonomic handles feature an anti-slip coating to minimize hand fatigue and ensure optimal control – even during extended applications and when working at height.

Exceptional customer service: We offer a 365-day warranty. If you have any questions or issues, feel free to contact us at any time, and we will handle your request within 24 hours.

【A cost-effective automatic sealing tool】 Filling seams can be a tedious task, but this affordable cordless sealing gun makes filling work easier to manage. Compared to manual grout guns, it only requires loading grout and pulling the trigger. We have saved you a lot of time and will not cause hand pain and cramps due to repeated squeezing of the manual seam filler gun

【Adjustable 4-speed】 The maximum distribution force of the silicone gun is 6500N, with fast and smooth extrusion without pulsation or pause. Four speed settings make it very easy for you to control the flow and volume of adhesive, making it easy to apply perfectly consistent smooth beads for a long time. The 21V cordless drive sealing gun is perfect for all common 10 ounce/300ml sealant and adhesive boxes

【Thoughtful anti drip function】 Our caulk gun is equipped with an anti drip design, which is an excellent feature. When you release the trigger, it will automatically retract the plunger to prevent any messy dripping or spillage. Tip: Before pulling the trigger, make sure to cut off the tube nozzle and puncture the aluminum foil seal.

【LED lights dispel darkness】 no more groping for grout in the dark! There is an LED light on the hose head of the sealing gun, which is convenient for you to work in the dark. At the same time, there is a 3-color light indicating the remaining battery level, so there is no need to worry about sudden power outages when using it

【Reminder】 Before filling the seams, use the included needle punched seal inside the tube. Cut the tip/nozzle of sealant pipe 3. Beginners are advised to start testing flow exercises from the lowest speed possible

Easy Caulking: The caulking guns do not need to be squeezed manually, and the caulking can be done automatically by pulling the trigger. It can greatly reduce hand fatigue and make caulking work easy and efficient! If you have arthritis in your hands or your wrists are often sore, our electric caulking gun is a good choice!

LED Lighting: The silicone sealant gun is equipped with an LED light on the front to provide sufficient lighting. It provides you with a bright and clear view in a dim or night working environment to ensure accurate caulking.

Anti-drip Function Design: The caulking gun electric has an anti-drip function, when you release the trigger, it will automatically retract the plunger to prevent any dripping or spilling. This design can prevent your clothes from getting dirty during work and facilitate cleaning afterwards. It is very suitable for both home DIY enthusiasts and professional workers.

4 Adjustable Speeds: The electric mastic gun features 4 adjustable speed settings, you can control the flow rate and volume of adhesive by adjusting the speed to meet your current job requirements. Compatible with all standard 10 oz / 300 ml sealant and adhesive tubes.

2 *2000mAH Batteries: The electric silicone gun is equipped with 2 powerful battery batteries to provide reliable backup power. The battery capacity is 2000mAH, which can run for a long time and can work for 1-3 hours on a full charge (depending on the speed setting).

[ Enhanced Battery Compatibility ] -- This electric caulking gun is compatible with Makita 20V/18V battery models including BL1860B, BL1860, BL1850, BL1840, BL1830, LXT 400, L70, BL1415, BL1420, BL1815, BL1820, BL1845, and more. Higher quality batteries will result in a longer lifespan (battery not included)

[ High Efficiency & Energy-saving LED Light ] -- Achieve precise caulking in dimly lit environments with the built-in LED light, ensuring accurate application without the need for external light sources

[ Adjustable 4 Speeds Flow Control ] -- Get just the right amount of glue with the easy push rod adjustment feature, offering four levels of flow control to suit different project needs

[ Anti-Drip Design ] -- Engineered to prevent unnecessary mess, the anti-drip feature halts adhesive flow instantly to avoid spills when not actively dispensing

[ Ergonomic Design for Comfort ] -- Crafted for ease of use, the comfort grip handle reduces fatigue during prolonged use, making it ideal for extensive projects

Heavy duty sealant caulking gun accommodates 310 ml cartridges; thrust ratio of 12:1

Made of durable powder-coated metal; cartridges can rotate as needed thanks to the gun’s revolving steel frame

Aluminium handle with plastic support grip and aluminium trigger; ergonomic rubber-coated handles allow for comfortable all-day use

Silencing mechanism prevents squeaky noise when squeezing the trigger; drip-free mechanism retracts the pushing rod, which stops the flow of caulk

Measures 36 x 18.8 x 5.72 cm (LxWxH)

When the trigger becomes too hard to squeeze, the sealant inside may be dried. Do not forcibly squeeze the trigger and reload new sealant

Keep out of reach of children

Auto Revounded Designed: When the trigger is released, the switch automatically bounces to prevent excess glue from sliding. Antikickback technology saves you time and energy. This caulking gun works with standard 10oz/300ml sealant

Designed LED lights: Equipped with 450lm LED light for lighting in other dark environments. Use it in the dark without worrying about power outages

Wide range of applications: suitable for applying glass glue, sealant and sealant This caulking gun works with standard 10oz/300ml sealant. Widely used to fill, seal and repair narrow gaps in walls

Even in the flow: Flows Control is very uniform and not too little or too little, very convenient to use. Quickly remove the pusher to quickly load the cartridge

4 Speed Adjustable: The caulking gun has 4 speeds, and the printing speed can be adjusted from 0-196mm/mins. Variable trigger can also control the flow rate and choose the corresponding flow rate according to your needs

Anti-drip function

Trigger lock

Led job light

Overload warning lamp

Compact and lightweight

1 year manufacturer warranty with a further 2 years when registered within 30 days of purchase. This guarantee does not apply where non-genuine or recommended parts or accessories are fitted to the tool. The use of non-genuine or compatible batteries and chargers with Makita Tools will invalidate the Makita guarantee for our tools.