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Wet Room Drainage – How it Works & Common Problems

Wet Room Drainage – How it Works & Common Problems

Adding a wet room to a bathroom is a considerable investment and can add value to your home. A well-designed wet room is an added luxury to the home, offering a functional, low-maintenance shower to your bathroom. Wet rooms are becoming increasingly popular, with over 5% of UK homes having one. In this article, we’ve created a comprehensive guide on wet room drainage so you know everything you need to know about maintaining a wet room in your home!

What is a wet room?

wet room design

A wet room is a bathroom with a shower area on the same level as the rest of the floor, with the floor slightly tilting towards the drain. A wet room is often used to utilise space more effectively and for people who have mobility issues. Wet rooms are also easier to clean than a shower, as you have more room to move around and reach all the corners.

How do wet rooms work?

wet room drainage diagram

Designing a wet room can be broken down into 3 elements: gradient, drainage and waterproofing. You must first take into consideration how the flooring will be situated in order to allow proper wet room drainage. A consistent gradient is crucial for a wet room, otherwise, you’ll end up with constant pools of water, which will pose a trip hazard to users and cause damp and mould.

If you decide to have multiple showerheads and jets, ensure they are all pointed towards a corner of the shower and not the shower entrance, as it offers greater control of the water flow. Glass is mostly used for splash screens, as it gives the illusion of a bigger space and provides an easy to clean and stylish finish to your wet room.

Common problems with wet rooms and their solutions

Usually, the most common reason for a faulty wet room is when it’s been designed incorrectly. Ensuring you have fully-qualified and experienced contractors installing your wet room will be better in the long term, as you won’t have to constantly fix faulty fittings. There are a few common issues wet rooms have, including:

Inadequate drainage system

Making sure you have drainage that has the capacity for the water produced by the shower is essential, as no amount of drainage unblocker can fix this issue. Always check the drain can cope with the amount of water that will enter; a professional contractor will be able to accurately install proper drainage.

Floor slopes

Wet rooms rely on proper floor sloping in order to drain all the water the shower produces. For example, if the slope does not accurately redirect water directly to the drain, the wet room becomes impractical and becomes harder to clean. Floor slopes must have an even gradient of 1.5-2% towards the drain to make sure pooling and mould do not occur.

Low-quality drain manufacture

When buying drainage pipes and materials, its crucial to buy high-quality drainage materials, as you might end up with leaking drains and a smelly bathroom, costing you more in the long term. We recommend buying a drain with a removal trap so you can easily remove any hair and other things that may cause drain blockages. Low-quality drainage may look good at first, but over time the drains will stain and deteriorate, completely ruining the aesthetic of your bathroom.

The team here at Express Clear, we pride ourselves on delivering reliable and professional drainage solutions. Whether you need regular drain maintenance or an emergency drain repair, our team are on hand to assist. For more information on our products and services, please get in touch with a member of our team today.


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