Caulking & Sealant Guns
A silicone gun is what stops sealant jobs looking rough, especially on long runs and tight joints.
When you're sealing baths, fitting kitchens, or weathering external frames, a decent mastic gun gives you steady feed and clean control. Go manual for the odd cartridge, or step up to a cordless caulking gun for day-in, day-out work and fewer sore hands.
What Are Silicone Guns Used For?
- Running neat beads around baths, showers, and kitchen worktops where a steady feed stops you overfilling corners and wiping half of it back out.
- Sealing window and door frames on refurbs and new fit-outs so you can keep the bead consistent along long edges without constant re-squeezing.
- Applying adhesive and grab sealants for trims, panels, and skirting where controlled pressure helps avoid blow-outs and mess behind the finish.
- Working with sausage caulking gun and sausage gun packs on bigger sealing jobs, so you're not swapping cartridges every few minutes on site.
- Using a cordless silicone gun or electric sealant gun on repetitive work, where the motor keeps the flow even and saves your forearm over a full shift.
Choosing the Right Silicone Gun
Match the gun to how much sealant you run in a week, because hand fatigue and messy beads come from using the wrong type.
1. Manual mastic gun vs powered silicone gun
If it is the odd bath or a couple of frames, a solid manual mastic gun is fine. If you are sealing all day, a cordless caulking gun or electric silicone gun gives you smoother feed and far less cramp, especially with thicker sealants.
2. Cartridge gun vs sausage gun
If you are mostly using standard tubes, stick with a cartridge silicone gun for quick changeovers. If you are doing long runs or big commercial sealing, a sausage mastic gun cuts downtime and waste, and it is easier to keep the bead consistent once you are moving.
3. 18V platform and battery mastic gun runtime
If you are already on an 18V system, buying a battery powered caulking gun that shares your batteries keeps costs down and means you are not carrying another charger. For snagging and small jobs, do not overbuy a big, heavy unit if a compact electric caulk gun will live in the van.
4. Control features that actually matter
Look for smooth trigger action and a proper anti-drip setup, because that is what stops the bead carrying on after you let go and making a mess at the end of the run. If you are using a powered caulking gun, variable speed control is what helps you start clean and keep corners tidy.
Who Uses Silicone Guns on Site?
- Bathroom and kitchen fitters who need a clean, controllable bead that does not slump or drag when you tool it off.
- Window and door installers sealing perimeters fast, especially when an 18v caulking gun keeps the flow consistent on long external runs.
- Chippies and dryliners using a mastic gun for adhesive sealants on trims, boards, and finishing details where squeeze control matters.
- Maintenance teams keeping a battery sealant gun in the van for quick, tidy repairs without fighting stiff cartridges in cold weather.
The Basics: Understanding Powered Caulking Guns
A powered silicone gun is basically a motor pushing the plunger for you, so the bead stays consistent and your hand is just guiding the nozzle.
1. Consistent feed equals cleaner beads
With a cordless silicone gun or caulking gun electric setup, the tool keeps pressure steady through the pull, which is what stops the bead pulsing and looking ropey along tiles, frames, and trims.
2. Anti-drip stops the end-of-run mess
Good electric mastic gun designs release pressure when you let go, so you are not getting that extra blob at the end that you then have to wipe and re-tool.
3. Cartridge and sausage formats change how often you reload
Cartridges are quick and common for snagging and domestic work, while a sausage caulking gun is about keeping you moving on long runs without constant tube swaps.
Your Silicone Gun Range, Ready to Go
Whether you need a simple mastic gun for a couple of cartridges or a cordless caulking gun for constant sealing work, we stock the full spread of options and formats. It is all held in our own warehouse, in stock and ready for next day delivery so you can get back on with the job.
Silicone Gun FAQs
What is a silicone gun called?
On site it is usually called a silicone gun or a mastic gun. If it takes foil packs, you will also hear sausage gun or sausage caulking gun, and the powered versions get called cordless caulking gun, electric sealant gun, or 18v caulking gun.
Is silicone 100% waterproof?
Once it is fully cured and it is the right sanitary or external grade, silicone is designed to be waterproof in wet areas. It is not magic though, because poor prep, damp surfaces, movement, or mouldy old sealant left behind will make it fail no matter how good the bead looks.
What is the use of silicone gum?
This is usually a mix-up in wording, because most people mean silicone sealant. The use is sealing joints to stop water ingress and draughts, and finishing edges around sanitaryware, worktops, glazing, and frames so the job is clean and protected.
Do I actually need a cordless silicone gun, or is a manual gun fine?
If you are doing the odd cartridge, a decent manual silicone gun is fine. If you are running beads all day, a battery powered mastic gun keeps the flow even and saves your hands, and it is easier to get repeatable results on long, visible joints.
Will a sausage gun give a cleaner bead than cartridges?
It can do, mainly because you are not stopping to reload as often, so your pace stays steady. The finish still comes down to nozzle cut, steady travel speed, and tooling, but sausage packs are a big help on long runs where consistency matters.
Is an electric caulk gun the same thing as a cordless grease gun?
No, they are different tools for different materials. A cordless grease gun is for lubricating plant and machinery, while an electric caulk gun or battery sealant gun is built to push sealants and adhesives through a nozzle with controlled feed.
