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Bathroom mastic sealant does an excellent job at keeping things watertight and mould-free.

But getting a neat finish can be tricky. That’s why many homeowners choose to hire a tradesperson for the job.

Read on for everything you need to know about finding bathroom mastic sealant services covering Aspatria. We’ll also clear up any confusion about whether mastic is the same as silicone sealant.

Keen to get cracking on the job? Try our quick request a quote feature and we’ll put you in touch with bathroom mastic sealant installers covering your local area.

What is mastic sealant used for?

Mastic sealant is used to seal gaps, joints, and edges where surfaces meet – helping to keep out moisture, drafts, and dust.

In bathrooms, it’s often applied around tiles, window frames, skirting boards, and along ceilings where flexibility and a neat finish are needed but full waterproofing isn’t essential.

However, it’s not suitable for constant water exposure – so for showers, baths, and sinks, silicone sealant is the better option.

Is mastic the same as silicone sealant?

Mastic isn’t the same as silicone sealant. While both products seal gaps and prevent leaks, they’re made from different materials:

• Silicone sealant is flexible and waterproof
• Mastic sealant is better suited for low-moisture areas like skirting boards or windows

Why use mastic sealant instead of silicone in a bathroom?

Homeowners sometimes choose mastic sealant over silicone for specific areas of the bathroom because:

• It can be painted – Ideal for joints around walls, ceilings, or trim where you want a seamless look
• It gives a smoother, less shiny finish

Is mastic sealant waterproof?

Some types are, but not all mastic sealants are fully waterproof. Traditional acrylic mastic may soften or fail in areas with constant moisture.

For showers, baths, and sinks, a silicone sealant is a better option as it’s designed to resist mould, humidity, and water damage.

If you’re unsure what to use, a sealant specialist covering Aspatria can help.

How long does mastic sealant last?

On average, bathroom sealant lasts around five to ten years, depending on the quality of the product, ventilation, and cleaning routine.

Signs it’s time to replace it include:

• Peeling or cracking
• Mould growth
• Leaks around fixtures

A professional reseal can make your bathroom look like new – and prevent costly water damage.

Why use Checkatrade?

• Fully checked installers covering your local area
• Insurance always listed
• Easy to compare multiple profiles
• Handy reviews from local customers
• Covered by the Checkatrade Guarantee (T&Cs apply)