Wetwall Mermaid Collection Installation Guide

28 Apr 2026, 12:30 PM

View the official Wetwall Mermaid Collection installation guide online using our easy-to-read flipbook. The Wetwall Mermaid Collection is a laminated MDF and plywood-based bathroom wall panel system designed to create a stylish waterproof finish in bathrooms, shower enclosures, and wet rooms. These decorative wall panels offer a practical alternative to traditional tiles while helping reduce maintenance and grout cleaning.

The Wetwall Mermaid installation guide covers every stage of the installation process, including wall preparation, cutting panels, dry fitting around shower trays, adhesive application, tongue and groove jointing, trims, sealing, and finishing. The guide also explains the importance of using Complete Adhesive and Complete Sealant to maintain the manufacturer’s lifetime guarantee.

Wetwall Mermaid panels can be installed onto flat, dry, and secure surfaces including plasterboard and existing tiled walls. The installation system includes a range of trims and accessories designed to help achieve a professional waterproof finish.

At Rubberduck Bathrooms, we stock a wide range of Wetwall wall panels, trims, adhesives, and accessories, including the popular Wetwall Mermaid Collection range. Browse our full collection of waterproof bathroom wall panels and installation products for your next bathroom renovation project.

Wetwall Mermaid Collection Installation FAQs

What is the Wetwall Mermaid Collection?

The Wetwall Mermaid Collection is a laminated MDF and plywood-core bathroom wall panel system designed for waterproof bathroom and shower wall installations.

Can Wetwall Mermaid panels be installed over tiles?

Yes, Wetwall Mermaid panels can be fitted over existing tiles provided the surface is level, dry, clean, and secure.

What adhesive should be used for Wetwall Mermaid panels?

The installation guide recommends using Complete Adhesive and Complete Sealant to help maintain the Wetwall lifetime guarantee.

What adhesive should be used for Wetwall Mermaid panels?

The installation guide recommends using Complete Adhesive and Complete Sealant to help maintain the Wetwall lifetime guarantee.

Do Wetwall Mermaid panels need sealing?

Yes, all trims, joints, panel edges, and fittings should be sealed correctly using the recommended sealant to create a waterproof installation.

Should I dry fit Wetwall Mermaid panels first?

Yes, the guide strongly recommends dry fitting all panels before installation to check sizing, alignment, and pattern positioning.

Can Wetwall Mermaid panels be cut?

Yes, the panels can be cut using a fine-tooth saw blade. The guide recommends a minimum 48-tooth fine cut blade for best results.

How long should adhesive cure before final sealing?

The installation guide advises waiting 24 hours for the adhesive to fully cure before completing the final sealing process.

Are Wetwall Mermaid panels waterproof?

When installed correctly using the recommended trims, adhesive, and sealant, Wetwall Mermaid panels provide a waterproof bathroom wall finish suitable for showers and wet areas.

What gap should be left around Wetwall Mermaid panels?

A 3mm expansion gap should be left where panels meet fixed walls or ceilings before backfilling with sealant.

Do the panel patterns align perfectly across joints?

No, the installation guide explains that designs and patterns are not intended to match perfectly across tongue and groove joints, especially on larger decorative patterns.

This guide was created for reference only. www.rubberduckbathrooms.co.uk can not be held responsible for injury or damage caused if you decide to use this method.

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