10 Best No Nonsense Heavy Duty Sealant Applicator Gun for 2025

SIKA

• The ultimate heavy duty sealant gun to cope with thicker sealants, adhesives and caulks
• smooth action extra pull trigger for easier use than most standard guns
• soft grip handle and hook end for simple storage and clip hold
• swivel action barrel to aid smoother application
• Suitable for cartridges up to 400ml
• Power Pro Sealant Gun
• Size: 310ml/400ML
• Brand: Everbuild

Draper

• Skeleton steel frame caulking gun
• Comes with coated handle
• Compatible with cartridges up to 350 ml

ProDec Advance

• Trade Quality, heavy duty caulking gun.
• Barrel rotates to allow for smooth application of fillers and caulk.
• Suitable for 400ml tubes.

Sandis

• Made of no sticky special materials;durable and solid
• Suitable for wall cleaning, floor dust, glass scraping
• Nozzle plus set of 3 different radius sizes
• Nozzle more could be fixed fimly

Bond-It

• TUV/CE Approved
• Professional & DIY use
• Heavy Duty
• Hard wearing Gun Parts

Bond-It

• TUV/CE Approved
• Professional & DIY use
• Heavy Duty
• Hard wearing Gun Parts

Unibond

• No nails, no gun – Ideal for DIY mounting and repair jobs without nails, screws or a cartridge gun, the heavy-duty no nails adhesive extra strong is ideal for DIY and repair jobs.
• Easy to use – With this convenient pressurised pack, there is no cartridge gun necessary. You can control the glue flow with the tip of your finger for an easy and precise application.
• Multi-functional – It works as a wood glue, metal glue, ceramic glue or plastic glue* etc. and is ideal for fixing skirting boards, coat hooks or polystyrene mouldings.
• Long-lasting – This ready to use no-cartridge-gun heavy duty adhesive can be applied in just a few simple steps, ensuring a long-lasting and professional finish.
• Practical Delivery – UniBond No More Nails – No cartridge gun, mount glue comes as a ready to use glue applicator, solvent free, water-based copolymer technology, white, 1 x 260g Pressurised Cartridge

Draper

• Designed to remove old silicone from around baths, showers or worktops
• Manufactured from durable plastic with stainless steel blade
• Three blades allow the user to remove silicone with push, pull and scrape motion

Unibond

• Anti mould sealant – Once dry, the UniBond sealant forms a permanently flexible, mould resistant & waterproof sealant, ensuring strong seals and preventing mould growth.
• Specially formulated – The formula of this shower sealant is ideal for warm and humid environments such as bathrooms, kitchens and other tiled areas or surfaces.
• High adhesion – Create a perfect and long-lasting seal with this durable, high-strength kitchen sealant. Ensure a mould free finish with regular cleaning of the sealant.
• Easy-to-use – Complete your jobs quickly: after applying with a gun, the white kitchen silicone seal is 'touch dry' within just 20 minutes and fully dry within 24 hours.
• Practical Delivery – UniBond Anti-Mould White, sanitary sealant for kitchens & bathrooms preventing mould growth, silicone acetoxy formula, white, 1 x 274g Cartridge

SIKA

• Ready to use: Easy to insert cartridges and apply onto surfaces
• Smooth trigger action: Allows for minimal and effortless force to be applied to the lever
• Soft grip handle: Provides ease and comfortability over other sealant guns when sealing for a long period of time
• Drip-stop function: Drip-stop function prevents the sealant from oozing out after releasing the trigger
• Robust: Sturdy gun that will handle tougher conditions
• Suitability: Superflow is suitable for cartridges with a volume of up to 310 ml