The best bathroom sealant

If you’re looking to reseal your bath or shower, you’re going to need some good quality sealant. But what is the best bathroom sealant? Let’s take a look at some of the best brands and what makes them well suited to your bathroom DIY job.

• Effective sealants for bathrooms must be completely waterproof, flexible, non-porous, and mould-resistant to prevent leaks around baths and showers.

• Leading brands offer various benefits: Wickes is best for budget DIY repairs, UniBond for anti-mould guarantees, DOWSIL for strong adhesion, and Evo-Stik for durability.

• Regular wiping after use prevents dirt build-up and maintains a watertight seal.

What makes a good bathroom sealant?

The best sealants for bathrooms all feature several key properties. They must be completely waterproof and non-porous to prevent rot or leaks. They also should be flexible so they can handle small movements of the bath or shower, maintain strong adhesion for easy application and ideally have a strong resistance to mould.

Bathroom sealant brands

Let’s take a closer look at some of the best bathroom silicone sealant brands.

Wickes

Our silicone sealant is great for everyday domestic DIY. It’s mould-resistant, waterproof, flexible and has good adhesion. It’s also comparatively affordable and an accessible choice for beginner DIYers. Overall, it’s best for some budget-friendly maintenance and for quick and easy DIY jobs.

UniBond

UniBond bathroom sealant is well known for its Triple Protection formula, which repels, kills and prevents mould. It’s best for DIYers with particularly humid bathrooms who want an anti-mould guarantee.

DOWSIL

DOWSIL, formerly known as Dow Corning, is generally considered the gold standard for professionals. It provides strong adhesion and is incredibly fast-acting. It’s best for long lasting seals in areas of your bathroom that get used often.

Evo-Stik

Evo-Stik silicone sealant is formulated with anti-stain tech, so it won’t crack, shrink or discolour. It also tends to last a long time, typically up to 25 years, so it’s best if you want a long-lasting aesthetic.

Resealing your bathroom is an essential DIY task, so it’s good to know which brands offer the best bathroom sealant. If you’ve chosen your sealant, and you’re looking for more practical tips for the upcoming job, check out our guide on how to reseal your shower and bath.

UniBond’s Triple Protection formula is perfectly suited to resisting, killing and preventing mould.

Evo-Stik sealants typically guarantee up to 25 years of use, making them incredibly long-lasting.

Make sure to wipe down sealed areas regularly to prevent dirt and mould build-up, and always allow at least 24 hours for drying before using the shower or bath.