Slide into brighter days with the 20-Series marine roof

The 20-Series marine sliding roof from Webasto offers an economical solution for those seeking more light and fresh air on board. Whether you opt for manual or electrical operation, this sliding roof ensures a watertight seal, robust construction and easy installation.

Product picture of 20-Series marine roof

Benefits of 20-Series

The 20-Series marine sliding roof by Webasto offers practical features: a large sliding opening for light, watertight sealing and a choice of manual or electrical operation. Its stepless locking system ensures stability.

Large sliding opening

The standard roof design provides a large sliding opening, ensuring maximum light and fresh air on board.

Watertight sealing

Experience peace of mind with the roof's watertight sealing which protects you from water intrusion.

Robust construction

Built with precision, the 20-Series boasts a robust and proven construction for long-lasting use.

Flexible sliding modes

Choose between manual or electrical sliding modes to suit your convenience.

Stepless locking system

The sliding roof features a stepless locking system, ensuring secure positioning at all times.

Easy installation

Fully tested and pre-assembled, the sliding roof comes with all necessary hardware for a quick and hassle-free installation.

Technology highlights

Advanced materials and sliding design

The 20-Series marine sliding roof is constructed with an aluminum frame, 8 mm tempered safety glass and aluminum sliding rails to ensure durability and safety.

20-Series marine roof installed on boat 20-Series boat

SeaPleat-Plissee: Perfect fit for 20-Series

SeaPleat-Plissee fits the 20-Series perfectly. It has an integrated fly screen for cabin ventilation and insect protection. UV protection shades from sunlight to ensure energy efficiency. Easy installation with a sturdy aluminum frame.

sea pleat plissee 20-series-seapleat-open-closed

Product details

Product specifications

The 20-Series marine sliding roof boasts an aluminum frame, 8 mm tempered safety glass, and aluminum sliding rails. It has overall dimensions of 1,995 x 1,010 mm, cut-out dimensions of 1,010 x 955 mm, and an 80 mm corner radius. The manual version weighs approximately 40 kg, while the electrical version weighs around 41 kg.

Delivery content

The 20-Series marine sliding roof comes fully tested and pre-assembled, including all necessary hardware for installation. Additional options like sunblind/flyscreen are also available, ensuring you have everything you need for a seamless experience.


More information about 20-Series can be found in the marine catalog on page 174.


Marine - Catalog

Download the marine catalog to explore all Webasto marine products in detail.

19 MB

Find your dealer

Find your nearest Webasto dealer quickly and easily or arrange your consultation appointment directly.

Find your Heating Solutions Dealer

More Solutions

  • High Voltage Heater

    The electric High Voltage Heater (HVH) is the ideal heating system for battery electric vehicles (BEV) and plug-in hybrids (PHEV). It converts DC electric power into heat with practically no losses.
  • Water heaters

    Enjoy the comfort of warmth wherever you are with Webasto parking heaters. Compact, high-performing and eco-friendly. Models for all vehicle types.
    Man driving in a truck with water heater
  • Air heaters

    Explore the range of air heaters from Webasto, offering quick, efficient heating for various vehicles with low fuel consumption.
    Man with dog in an RV with air heater
  • Integrated heat exchangers

    Explore the range of integrated heat exchangers designed by Webasto for efficient heating in commercial vehicles, minibuses, off-highway, LCVs, special vehicles and boats using the engine residual heat.
    Excavator and wheel loader on construction site
  • Hybrid heaters

    Explore the range of hybrid heaters for simultaneous heating and hot water in RVs. Underfloor and onboard models available for all RV sizes.
    Man in front of camper can in the mountains
  • Marine heaters

    Explore the whole range of Webasto marine heaters, designed for efficient heating various boat types. Silent operation, compact design and easy to install.
  • Diesel cooker

    Webasto comfort solutions for motorhomes and caravans provide a greater sense of well-being and freedom.
    Cup and coffeemaker on cooker in recreational vehicle
  • Control devices

    Discover enhanced comfort with the advanced heating controls from Webasto, offering superior convenience and user-friendly design.
    Person holding a phone with Webasto ThermoConnect
  • Product finder