Replacing the shower tray in the Roller Team Granduca 266 TL – Custom-made aluminum solution for your wet room

A defective or leaky shower tray can quickly lead to significant moisture damage in a motorhome's wet room – especially in older models with built-in plastic trays . This was exactly the case with a Roller Team Granduca 266 TL , where we at Adventure Truck replaced the porous original shower tray with a robust, custom-made aluminum shower tray .

In this article, we'll show you the complete process: from troubleshooting and removing the old shower tray to the professional installation of the new aluminum solution with an optimal slope and matching wheel arch trim. The new aluminum shower tray is not only completely waterproof and durable, but also perfectly adapted to the structural conditions in the camper – ideal for anyone looking to renovate, upgrade, or upgrade their motorhome's wet room to a high-quality solution.

Whether you're planning a camper conversion , need to replace a shower tray in your motorhome , or are looking for watertightness and durability in your bathroom , this conversion guide will provide you with plenty of insights, tips, and inspiration for your next project.

1. Introduction

• Introduction of Sven and Adventure Truck

• Project objective: Replacement of a defective plastic shower tray with a custom-made aluminum shower tray in the motorhome

2. Inventory in the wet room

• Water damage analysis: Water leaking from under the refrigerator

• Visible defects:

  • Cracks in the plastic shower tray

  • Detaching silicone joints

  • Deflections in the tub floor

  • Incorrect gradient conditions in the wet room

• First suspicion: Water ingress through hairline cracks and incorrect gradient

3. Removal of the old plastic shower tray

• Removal of panels, silicone joints and fastenings

• Inspection of the substructure and drainage technology

• Analysis: Water collects due to slope defects and penetrates joints

4. Preparation for the installation of the new shower tray

• Cleaning the surfaces in the wet room

• Planning adjustments for wheel arches and gradients

• Production and reconstruction of the aluminum tub with individual shape

5. The new aluminum shower tray

• Comparison: old plastic tub vs. new custom-made aluminum tub

• Advantages:

  • durable, dense material

  • welded edges = no more water ingress

  • integrated gradient for optimal water drainage

  • exact adaptation to the wheel arch

  • Reduction of silicone joints

6. Installation of the new aluminum shower tray

• Applying the adhesive

• Inserting and fixing on the substructure

• Installation of drains and remaining components

• Drying phase

7. Conclusion & Results

• Presentation of the fully installed wet room

• Special features:

  • for the first time with two curves in the aluminum tub

  • visible improvement in processing and tightness

• Conclusion: Significant improvement in quality compared to the old plastic solution

8. Outlook & Community Call

• Outlook on further camper conversions and projects in the area of ​​wet rooms and interior fittings

• Indication of future video quality

• Call for comments: Questions about shower trays in motorhomes, wet room conversions, etc.

Easily configure your new shower tray online

Plan your custom-made aluminum shower tray for your motorhome's wet room now with our handy Adventure Truck configurator . This way, you'll get a custom-fit, robust solution that's a perfect fit for your campervan model.

👉 Click here for the shower tray configurator