10 Best Bathroom Silicone Sealant Transparent Anti Mould in The UK

Last updated on 30/08/2025

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BONDIFY Anti Mould Clear Silicone Sealant Waterproof, Transparent Kitchen and Bathroom Silicone Sealant Clear SOLVENT FREE 3 x 280g, Transparent Window Mastic, Ideal For Shower, Bath, Sink, Window

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Why We Love It

Mould and mildew resistant.
Adheres to multiple surfaces.
Flexible and durable.

Main Highlights

MOULD AND MILDEV RESISTANT (Clear - 3PCs - 280g) : BONDIFY silicone sealant specially formulated to prevent mold growth, ensuring a clean, long-lasting seal in humid areas like bathrooms and kitchens.
MULTI PURPOSE APPLICATION : This universal silicone sealant adheres securely to various surfaces such as ceramic, glass, metal, wood, and plastic, making it suitable for windows, baseboards, and door frames.
FLEXIBLE AND DURABLE : This window frame silicone sealant maintains elasticity after curing, accommodating joint movement without cracking or shrinking over time.
WATERPROOF SEAL : Provides a strong, waterproof barrier, ideal for areas exposed to water and moisture, such as sinks, bathtubs, and shower stalls.
EASY TO USE : Smooth and easy to apply, allowing for precise application along window frame, tiles, baseboards, coving cornices, and other detailed areas.

UniBond Triple Protection Stop Mould Silicone Sealant For Kitchens and Bathrooms, Clear, Repels, Kills and Prevents Mould Growth, Long-Lasting Shower Sealant, 1 x 291 g Cartridge

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Why We Love It

Repels and kills mould.
Flexible and durable sealant.
Touch dry in minutes.

Main Highlights

Triple Protection – The durable clear sealant offers a Triple Protect formulation to keep bathrooms & kitchens sanitary – repelling, killing and preventing mould growth.
Long-Lasting – The kitchen and bathroom silicone sealant is not only designed to be waterproof but is also flexible and durable – ideal for challenging conditions.
Multi-Purpose – The UniBond sealant can be used as a (power) shower sealant, for bathrooms, baths, toilets, worktops, sinks, basins or other tiled areas in general*.
Coverage – The practical sealant cartridge lasts for 1x bath, 2x showers & 2x sinks. Once applied it is touch dry in 20 minutes and fully dry in 24 hours.
Package Contents – UniBond Triple Protection Stop Mould Sealant, waterproof sealant for kitchens, bathrooms, sinks & basins etc.*, repels, kills & prevents mould growth, clear, 1x291g Cartridge

Mapesil AC Jasmine (130) Silicone

3% Off

Why We Love It

Exceptional adhesion on surfaces.
Wide range of vibrant colors.
Best-selling sealant for versatility.

Main Highlights

310ml Mastic Cartridge
Good adhesion to non-porous surfaces
Our Best-Selling Coloured Mastic Sealant
38 x Different Colours In Stock

UniBond Speed Seal Translucent, Waterproof Mould Protection Kitchen and Bathroom Sealant, Long-Lasting Translucent Silicone Sealant, Powerful Bath Sealant, 1 x 360g Cartridge

10% OffFree Shipping

Why We Love It

Hygienic and waterproof seal.
Long-lasting 35-year guarantee.
Ideal for multiple applications.

Main Highlights

Available in a translucent colour
Provides a hygienic, waterproof seal for sanitary applications by creating a permanently flexible barrier
35 year guarantee (provided good working practices are followed)
Suitable for power showers, bathrooms, kitchens, baths, toilets, worktops, tiled areas, sinks and basins and bedding compound

Silicone Sealant – Kitchen & Bathroom Silicone Sealant with Finishing Tool for a Smooth & Professional Finish | Waterproof & Anti-Mould Protection - 120g (WHITE, 120g)

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Why We Love It

Brilliant white finish enhances aesthetics.
Waterproof design protects against mildew.
Smooth application for professional results.

Main Highlights

✅ Brilliant White Finish – Provides a clean, modern seal for kitchen and bathroom joints
✅ Crystal Clear Finish – Perfect for invisible, seamless seals on any surface
💧 Waterproof & Mould-Resistant – Long-lasting protection against leaks and mildew
🛠️ Smooth Application – Finishing tool included for a neat, professional result
🏠 Versatile Use – Great for glass, tiles, ceramics, and kitchen/bathroom fixtures
📦 120g Tube – Compact and easy to store for regular maintenance or repairs

Gorilla Mould Resistant Sealant Clear 80ml

Why We Love It

Quick exposure to water.
Resists mould and mildew.
Versatile multi surface application.

Main Highlights

FAST SET - Can be exposed to water after just 30 minutes
REPELS MOULD & MILDEW - Long lasting performance
MULTI SURFACE - For use on Porcelain, Metal, Vinyl, Laminate, Stone, Ceramic, Stainless Steel, Granite, Wood, Glass
DURABLE FORMULA - Won't yellow, shrink or crack over time
PREPARATION: All surfaces should be clean, dry and free of old sealant. For gaps larger than 12 mm, use a backer rod to fill the gap. Best results achieved if applied above 5°C.
APPLY: Apply sealant, pushing bead ahead of nozzle. Smooth bead immediately after application, before a skin forms. Gorilla Sealant should be applied between 4°C to 38°C. Once cured, Gorilla Sealant can withstand temperatures between -40°C to 176°C.
NOTE: Gorilla Sealant will work well on many types of plastic; however, we do not recommend for use on polypropylene (PP) or polyethylene (PE) plastics or any type of rubber with high oil or plasticizer content. Gorilla Sealant may be used on PVC pipes, but not in high-pressure applications. If you would like more information on how Gorilla Sealant bonds to specific substrates, please contact our technical team via the ‘Contact Us’ section on the website for assistance.

UniBond Anti-Mould Kitchen and Bathroom Sealant - Translucent Cartridge 274g

32% OffFree Shipping

Why We Love It

Anti Mould silicone technology.
Translucent waterproof finish.
Ideal for wet rooms.

Main Highlights

The ultimate shower and bathroom sealant
Anti Mould silicone technology
Translucent finish
Waterproof
Suitable for power showers and wet rooms

UniBond Anti-Mould White, Waterproof Mould Protection, Long-lasting White Silicone Sealant for Kitchen & Bathroom, Powerful Bath Sealant, 1 x 274g Cartridge

18% OffFree Shipping

Why We Love It

Mould resistant, strong and flexible.
Ideal for humid environments.
Easy and quick application.

Main Highlights

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

UniBond Bath & Kitchen Sealant, Mould Resistant Transparent Silicone, Ideal for Showers, Toilets, Tiles, Worktops & More, Durable & Waterproof, Easy Bathroom Sealant, 1x291g Cartridge

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Why We Love It

Seals bathrooms and kitchens perfectly.
Waterproof, mould-resistant, durable sealant.
Easy application, minimal odour.

Main Highlights

Sealing made easy – Sealing your bathrooms & kitchens is easy. Say goodbye to leaks, moisture and mould from wet areas in minutes, with less mess, less odour and a result to be proud of.
Anti mould sealant – Mould is an unwelcome guest in your home. Show it the door with this easy-to-apply waterproof sealant. Ideal for baths, basins, showers, toilets, worktops, tiled surfaces etc.
Easy to apply – The unique technology and ready-to use pack makes this quality shower sealant easy to apply and smooth, easy on the nose, and easy to enjoy for years to come.
Put your worries aside – The waterproof sealant sticks in seconds and lasts for years. Its super-stretchy formula allows it to form perfect, lasting seals around tight curves and long straight runs.
Package Contents – UniBond Bath&Kitchen Sealant, easy to use kitchen & bath sealant with mould resistant formula, quick curing & long-lasting, virtually no odour, transparent, 1x291g Cartridge

Everbuild Showerproof Bathroom Silicone Sealant – Permanently Flexible – Anti-Fungal Formula – Quick Curing – Waterproof – Clear – 280ml

18% Off

Why We Love It

Suitable for multiple surfaces.
Quick and efficient curing.
Permanently flexible sealant.

Main Highlights

VERSATILE – This multipurpose sealant and adhesive is suitable for interior and exterior applications on non-porous materials such as baths, showers, PVC, laminates, cladding and more.
QUICK CURING – It develops a skin in just 15 minutes for dirt and dust-free finishes and completely cures at a rate of 2mm of sealant per 24 hours.
PERMANENTLY FLEXIBLE – Designed to flex up to 12.5%, this sealant is ideal for areas where materials may expand and contract depending on temperature.
EASY TO APPLY – Apply using a standard sealant gun on clean, dry surfaces, ensuring that the depth of the seal is never greater than the width and is tooled within 15 minutes.
LONG-LASTING – Contains powerful anti-mould formulation to help keep your sealant clear and fungus-free for years to come.

8.7

Excellent

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We scanned 1071 products

We reviewed these offers relevant to the Bathroom Silicone Sealant Transparent Anti Mould within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like BONDIFY, Unibond, Mapei, ADVANCEDSIL, Gorilla, Everbuild, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Bathroom Silicone Sealant Transparent Anti Mould in the market, we considered we took a deep dive into 5356 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is BONDIFY Anti Mould Clear Silicone Sealant Waterproof, Transparent Kitchen and Bathroom Silicone Sealant Clear SOLVENT FREE 3 x 280g, Transparent Window Mastic, Ideal For Shower, Bath, Sink, Window. We love many things about this product by BONDIFY. What sets it apart from the competition is Mould and mildew resistant, Adheres to multiple surfaces, Flexible and durable.
The best value product for most shoppers and where user satisfaction is continuously the highest is UniBond Triple Protection Stop Mould Silicone Sealant For Kitchens and Bathrooms, Clear, Repels, Kills and Prevents Mould Growth, Long-Lasting Shower Sealant, 1 x 291 g Cartridge by Unibond based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Bathroom Silicone Sealant Transparent Anti Mould and the best cost-to-value ratio is UniBond Anti-Mould Kitchen and Bathroom Sealant - Translucent Cartridge 274gat Unibond with a 32% discount.
Our list of the best Bathroom Silicone Sealant Transparent Anti Mould is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Bathroom Silicone Sealant Transparent Anti Mould in The UK

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We scanned 1071 products

We concluded that: