For durable flat roof waterproofing

Waterproofing membranes EVALASTIC® and EVALON®

Why synthetic waterproofing membranes are a good choice

Flat roof? We can do that. Pitched roof? Of course. And we do it properly. alwitra synthetic and elastomeric waterproofing membranes offer clearly defined product properties, documented in black and white. When installed correctly, they are designed for long-term use. No guesswork, no blind trust: EPDs and technical documentation provide the facts. Loose-laid under ballast, mechanically fastened or bonded: choose the installation method that suits your roof. The different installation options allow for flexible solutions, whether for new construction or refurbishment. Material-homogeneous joints from one roof edge to the other.

And for everyone who sees sustainability as more than just a buzzword: selected EVALASTIC® variants carry the Blue Angel ecolabel. Tested, certified and transparent.

Thinking forward: our EPDM waterproofing membrane EVALASTIC

Synthetic waterproofing membranes made from durable EPDM. Free from bitumen, plasticisers, PVC, chlorine, sulphur and herbicides*, and capable of being homogeneously welded at every point of the roofing membrane. Choose the EVALASTIC EPDM waterproofing membrane from alwitra and benefit from its numerous advantages for a flat roof designed for long-term use.

*EVALASTIC in light grey and white: Blue Angel, DE-UZ 224, Section 3.4.2 “Biocides and Herbicides”

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The original of alwitra

EVA Meets PVC. And the result has proven itself for decades. What makes EVALON® strong? A proven, elastic high-polymer alloy made from EVA and PVC, with documented product properties. Installed as a single layer, joined homogeneously and designed for the requirements and exposures described in the technical documentation. One layer. Done. When installed correctly, that is all it takes for reliable flat roof waterproofing.

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Homogenous welding

The high-quality synthetic and elastomeric waterproofing membranes used in alwitra’s EVALON and EVALASTIC flat roof systems offer a wide range of options for high-quality flat roof waterproofing. The particular strength of alwitra: homogeneous material-to-material joints at all connections, terminations and penetrations, designed to withstand various impacts and stresses over the long term.

Designed for the impacts and stresses specified in the technical documentation (Downloads)

For new construction and refurbishment

Free from bitumen and solvents

Product variants for all installation methods and flat roof constructions

Wide range of accessories and prefabricated components

Coordinated components and services support efficient installation

An integrated system

Flat roof system from a single source

A comprehensive, sophisticated waterproofing system extending from one roof edge to the other, including all accessories and all services. So, when the work starts on the roof, everything is at hand, allowing for extremely quick, accurate and safe installation. No compromises, no flaws. It's fun, it pays off, and it gives you a comfortable feeling of security.

Here you will find technical documents, product brochures, Environmental Product Declarations and further information about the product properties of EVALASTIC® and EVALON®.