The Jacobi Walther J 11v is a versatile flat roof tile in the 11 cm format, distinguished by its ease of installation and adaptability. With its generous coverage length and width, this tile enables flexible and efficient roofing, especially for new construction and roof renovations.

Technical specifications of the Jacobi Walther J 11v

  • Size: approx. 30.4 x 44.5 cm
  • Cover length range: 33.3 to 36.5 cm
  • Cover width: 24.6 cm
  • Weight per piece: approx. 4.4 kg
  • Quantity required per m²: approx. 11.1 to 12.2
  • Standard roof pitch: ≥ 22°

Design and aesthetics

The Jacobi Walther J 11v offers a modern and elegant design characterized by a smooth and refined surface finish. It is available in a wide range of colors, including high-quality, avant-garde glazes that ensure an attractive appearance. Its generous coverage and flexible installation options make it the ideal choice for a variety of roof constructions.

Special design features

  • Generous adjustment range for flexible installation
  • Smooth, fine surface quality
  • Available in various colours and glazes

Advantages of the Jacobi Walther J 11v

  • Cost-effectiveness: Low brick requirement of approximately 11.1 to 12.2 bricks/m².
  • Flexibility: Ideal for various roof pitches from 22°
  • Aesthetics: Modern look for an elegant roof design
  • Weather resistance: High resistance to rain, frost and other weather conditions.
  • Durability: Robust construction for a long service life

Assembly and processing

Thanks to its generous sliding range in the coverage length (up to 32 mm) and its easy installation, the Jacobi Walther J 11v tile can be installed quickly and efficiently. The tile is particularly suitable for roof renovations, as it can be flexibly adapted to existing structures.

Assembly steps

  1. Inspection of the roof substructure and preparation of the battens
  2. Precise alignment of the first row of bricks at the eaves
  3. Shear-like laying pattern with sufficient overlap to ensure rainproofness
  4. Use of suitable fastening materials for wind protection
  5. The laying is completed with matching shaped tiles at the ridge and verges.

Applications

  • New buildings: Ideal for modern roof designs
  • Renovations: Particularly suitable for re-roofing existing roofs
  • Various building types: Suitable for residential buildings, public buildings and commercial buildings

Care and maintenance

The Jacobi Walther J 11v is easy to maintain and durable. Thanks to its robust surface and high weather resistance, the tile remains functional and visually appealing even after many years. Regular inspection helps to extend the lifespan of the roof and ensure its continued functionality.

Compatibility with CLEVER-TILE ®

Whether our system is suitable for the Jacobi Walther J 11v roof tile depends on the cover dimensions, tile geometry and installation requirements. The flexible ends of our replacement tile are shaped to the neighbouring tiles during installation. The model name alone does not confirm suitability.

Advantages of CLEVER-TILE ®

  • Universal fit: Compatible with most roof tile types
  • Roof-friendly: Even weight distribution in the roof structure
  • Easy assembly: Quick and easy to install
  • Weather resistance: Reliable protection against rain and snow
  • Robust construction: Made from durable materials

Conclusion: Jacobi Walther J 11v and CLEVER-TILE ® – The ideal combination

The Jacobi Walther J 11v offers an outstanding solution for a wide range of roofing requirements. Its flexibility and robust construction make it an excellent choice for new builds and roof renovations. Combined with CLEVER-TILE ®, your roof will be future-proof, functional, and visually appealing.

Referenced terms and sources

This existing glossary article was reviewed and approved on 14 October 2026. Time-sensitive information still refers to its original publication context unless the article states otherwise. It does not replace installation instructions or confirm compatibility with a particular roof tile model.

Machine-assisted translation. The German version remains available.

Data sheet and installation guideOriginal source