For single-ply flat roof waterproofing

EVALON® EVA
waterproofing membrane

EVALON - the Original

For 50 years, the homogeneous EVA waterproofing membrane EVALON® has been demonstrating convincing performance all over the world on more than 160 million square meters of roof surfaces. EVALON is a high-quality synthetic EVA waterproofing membrane for single-layer roof waterproofing using hot air or solvent welding in the overlap area.

One roll of alwitra EVALON synthetic waterproofing membrane is enough to seamlessly waterproof up to 50 m² of flat roof. Quick and easy. From one roof edge to the other, ensuring optimal protection for a long, long time. The comprehensive range of system accessories and preformed details perfectly fits any roofers’ requirements.

Advantages

EVALON synthetic waterproofing membrane can do

Quick and easy to install
Bitumen compatible waterproofing membrane
Homogeneous flashing of all waterproofing membranes and details
Robust and durable
Smooth, dirt-repellent surface
Various colours for a flexible design
Root and rhizome resistant according to FLL test method
Weather resistant (UV radiation and environmental impacts)
Efficient reflection of thermal radiation – ideal for cool roofs
Extremely low vapour diffusion resistance
Five times lower fire load (compared to double-layer waterproofing)
Genuine, detailed Environmental Product Declaration (EPD), sustainable production processes
Areas/areas of application

The allrounder synthetic waterproofing membrane

There are hardly any limits to flat roof waterproofing with EVALON synthetic waterproofing membranes. The comprehensive EVALON integrated system comprising different product varieties and a wide range of accessories offers perfect solutions to any flat roof project, large or small. Of course, we will gladly assist you in finding and implementing the best solution for each individual task.

Flat roof waterproofing for new build and flat roof refurbishment
Synthetic waterproofing membrane for warm roofs, cold roofs, inverted roofs
Can be applied on standard substrates such as wood, concrete and many others *.
Optimal roof waterproofing for all roof geometries
Product varieties for all installation methods and flat roof configurations
Suitable for use under wear layers (green roofs, walkway tiles...)

* e. g. standard bituminous sheets, roof insulation materials, PS rigid foam boards, mineral fibre...

Product variants

For any flat roof

Every flat roof is different. That is why we offer different varieties of the EVALON waterproofing membrane for a varied range of application, thus always providing you with exactly the right membrane featuring the properties you require. It goes without saying that, in the design phase, we will assist you selecting the most appropriate solution.

  • Synthetic waterproofing membrane for non-ventilated roofs (warm roofs), ventilated (double-skin) roofs (cold roofs), inverted roofs (DUO roofs)
  • With glass/polyester fleece backing
  • Installation method:
    • Loose laying with ballast (gravel, green roofs, concrete slabs)
    • Adhesive bonding
    • Mechanical fastening
Features
Thickness of the sealing layer without lamination (mm) 1.5
Web width (m) with welded edge on one side 1.05 / 1.55
Web width (m) with welded edge on both sides 1.09 / 1.59
Tape width (cm) 54 / 79
Standard length (m) 25
Fix length on request
Standard colors light grey, slate grey
Special colors on request

  • Synthetic waterproofing membrane for non-ventilated roofs (warm roofs), ventilated (double-skin) roofs (cold roofs), inverted roofs (DUO roofs)
  • With glass/polyester fleece backing and integrated fire-retardant layer
  • Installation method:
    • Loose laying with ballast (gravel, green roofs, concrete slabs)
    • Mechanical fastening
    • Adhesive bonding
Features
Thickness of the sealing layer without backing (mm) 1.5
Membrane width (m) with welding edge on one side 1.05 / 1.55 / 2.05
Membrane width (m) with welding edge on both sides 1.09 / 1.59
Tape width (cm) 54 / 79
Standard lengths (m) 25
Fixed lengths on request
Standard colours light grey, slate grey
Special colours on request

  • First self-adhesive membrane on the market and thus a pioneer, tried and tested over many years
  • For non-ventilated roofs (warm roofs) and ventilated (double-skin) roofs (cold roofs)
  • With glass/polyester backing and self-adhesive underside coating
  • Installation method:
    • Adhesive bonding to almost any standard substrate (e. g. bituminous sheets).
Features
Thickness (mm) (without backing and self-adhesive coating) 1.5
Membrane width (m) 1.05
Membrane length (m) 25
Standard colours light grey, slate grey
Special colours on request

  • For non-ventilated roofs (warm roofs), ventilated (double-skin) roofs (cold roofs).
  • Self-adhesive waterproofing membrane
  • With glass/polyester backing and self-adhesive underside coating
  • Installation method:
    • Adhesive bonding to almost any standard substrate.
    • Integrated fire-retardant layer for direct installation on unbacked EPS rigid foam boards.
Features
Thickness (mm) (without backing and self-adhesive coating) 1.5
Membrane width (m) 1.05
Membrane length (m) 25
Standard colours light grey, slate grey
Special colours on request

Accessories

Denser, more beautiful, safer

We offer a comprehensive range of accessories perfectly matched to the alwitra waterproofing membranes. Allowing for quicker and easier installation and stunning results. Making good things even better in every detail!

EVALON® vs. bituminous sheets

Still sceptical about synthetic materials?

Convinced by the many advantages of the material, we have developed the first synthetic waterproofing membrane: faster installation, increased service-life and forward-looking flat roofs. alwitra waterproofing membranes do not contain any herbicides, in case you want to install a green roof. And you don't need a fire guard, either. Reading the signs of the time, together we can set the path for the future.

  EVALON
Lifetime
  • durable
  • long service life
  • recycling system
Ecology
  • resistant to root penetration
  • loose laying (ballast)
  • mechanical fastening
  • bonded roof build-up
Installation method
  • fast, reliable, single-layer installation
  • 25 m long waterproofing membranes
  • factory-made preformed details
Welding
  • No fire hazard
  • Fast, clean homogeneous welding
  • uniform welding results
Mass per unit area
  • approx. 2 kg/m²
Other
  • EVALON with Environmental Product Declaration (EPD)

EVALON: quick and easy laying

The installation instructions show the quick and easy handling and laying of EVALON waterproofing membranes on the roof. They detail the professional installation and provide many useful practical tips and tricks. Well prepared for flat roof waterproofing!

Product brochures

Even more information

EVALON constitutes a product family and an integrated system offering a wide range of options for fast, accurate and professional flat roof waterproofing. Our brochures provide detailed and practical information on the individual products. Download them here and discover the opportunities...

Projects

Our pride and joy

We are always happy to receive pictures and reports of projects we have realised together with distributors, designers and, above all, roofers. Because only practical work on site can reveal the true meaning of “united on top.”. Amazing projects, showing what we can achieve together.

An integrated 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.