Erlus clay tiles: technical excellence in the face of climate challenges

By JMG Communications Published on Monday, May 5, 2025 at 18:00 AM

Photo credits : ERLUS

Summary for decision-makers

Erlus roof tiles, made from selected natural clays and fired at over 1000°C, are distinguished by their density, low porosity, and exceptional resistance to weathering, particularly hail. Compliant with EN 1304 and EN 15601 standards, they boast proven robustness through certified tests, achieving at least class RG4, and some models even RG5 or RG5+ for very large hailstones.

The Erlus range also offers certified accessories (air extractors, solar brackets, etc.) made of cast aluminum, providing compatibility, corrosion resistance, and hail resistance. Specific tile models meet the requirements of low-pitched roofs thanks to optimized waterproofing, guaranteeing durability, reduced maintenance costs, and increased building value.

As extreme weather events increase, roof protection is becoming a key issue for building sustainability. Erlus, a world-renowned German manufacturer, offers terracotta roofing solutions that combine mechanical strength, long-term reliability, and certified performance.

Erlus tiles: for durable and aesthetic roofs

Exceptional manufacturing for high-performance tiles

Made from carefully selected natural clays and fired at over 1000°C, Erlus tiles are distinguished by their high density and low porosity. This unique firing process gives the tiles exceptional strength and optimal watertightness. These are essential characteristics for the most demanding climatic conditions. Compliant with European standards EN 1304 and EN 15 601, Erlus tiles are particularly notable for their resistance to hailstone impacts of over 40 mm in diameter. Their dimensional stability and longevity also make them a long-lasting solution for both new construction and the renovation of heritage buildings.

Certified hail resistance performance

To ensure the reliability of its products, Erlus has subjected its entire range to rigorous testing conducted by the IBS Linz Institute. These tests reproduce hailstone impacts using simulators. The results confirm the tiles' very high resistance in all conditions.

All Erlus tiles achieve at least class RG4, meaning their integrity is guaranteed against hailstones of 4 cm in diameter.
Some references have even obtained RG5 and RG5+ certifications for their resistance to very large hailstones without damage.

These performances reinforce Erlus' commitment to providing its customers with protective, reliable and durable roofs, even in an increasingly unpredictable climatic context.

Certified roofing accessories for comprehensive protection

Erlus excellence isn't limited to tiles. The entire range of roofing accessories (air extractors, antenna mast vents, solar panel supports, traffic tiles, etc.) is designed to ensure consistent protection. Made from cast aluminum, Erlus ALU accessories are corrosion-resistant and certified anti-hail. Their precise design ensures perfect compatibility with tiles and guarantees quick and secure installation on all types of roofs.

Solutions adapted to low-slope roofs

To meet the needs of flat or low-pitched roofs, Erlus also offers specific models such as the Karat RS, Level RS and E 58 RS tiles. Thanks to their sophisticated interlocking system (double or triple, lateral and head),

These tiles ensure optimal safety against the penetration of rainwater, even for very low slope configurations. This system thus avoids the installation of additional, restrictive and costly waterproofing.

Thanks to their careful design and certified performance, Erlus solutions actively contribute to the sustainability of buildings, the control of maintenance costs and the aesthetic enhancement of roofs.

Erlus tiles are available from building materials stores.

Frequently Asked Questions for Decision Makers

What performance do Erlus tiles offer in terms of hail resistance?

All Erlus tiles are certified to at least class RG4, withstanding hail impacts up to 4 cm in diameter. Some models even achieve RG5 and RG5+ certifications, suitable for very large hailstones.

How does Erlus guarantee the durability and watertightness of its tiles?

Erlus tiles are made from selected natural clays and fired at over 1000°C, ensuring high density, low porosity and excellent robustness against humidity and extreme weather conditions.

Are there Erlus solutions suitable for low-slope roofs?

Yes, Erlus offers specific tile models such as Karat RS, Level RS and E 58 RS with an optimized interlocking system, guaranteeing the watertightness of flat or low slope roofs without additional solutions.