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Bathroom Waterproofing Solutions

Classi is the leading range of bathroom waterproofing products in the UK & Ireland

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Classi is the Number 1 Bathroom Waterproofing Product Range

You can trust our award-winning product range to effectively seal and waterproof your bathroom

What do you need to waterproof in your bathroom?

Shower Tray

Full range of waterproofing options for a shower tray

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Bath with Overhead Shower

Full range of waterproofing options for a shower tray

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Wetroom Shower Area

Full range of waterproofing options for a shower tray

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"I recently changed the design of my bathroom and used Classi Seal to ensure my bath with an overhead shower was fully waterproofed. The bathroom retailer and my plumber both recommended I use Classi Seal in my project and I’m so glad I did. High quality product that does exactly..."

- Chris McC -

Working on your beautiful bathroom design? Most of us spend time researching bathroom designs and have our own bathroom ideas. But have you considered how to waterproof you bathroom? After your beautiful bathroom is installed, how much movement will occur in 2 months, 6 months or 2 years caused by settlement, shrinkage and drying out of building materials? Water damage is a costly problem. Whether you are fitting a shower tray, a bath or a wet room we have a product that can help you, we have waterproofing products for all bathrooms. The days of simply splurging in silicone sealant are coming to an end. All our products are preventative, designed to be used at the time of your bathroom installation- prevention is better and much cheaper than cure