Single-Ply Membranes
Our Single Ply Membranes set the UK gold standard for waterproofing all roof types, including flat, curved, sloped, mansard, and dormers. alwitra® products surpass all competitors in reliability, offering a superior single ply solution for flat roof waterproofing compatible with green, brown, or blue roof systems.
EVALON® Range
![EVALON V](https://www.alwitra.co.uk/media/images/uploaded/products/2/evalon-v.42.full.jpg)
EVALON® V
Superior Single-Ply Waterproofing
Superior single ply waterproofing at its best.
- Bitumen-free & solvent-free
- UV Stable
- Root-resistant
- Fire load five times lower than that of a built-up felt roof
![EVALON VSK](https://www.alwitra.co.uk/media/images/uploaded/products/4/evalon-vsk.3.full.jpg)
EVALON® VSK
Self-Adhesive Single Ply Membrane
The #1 self-adhesive waterproofing membrane
- Self-adhesive underside coating
- Bitumen-free & solvent-free
- High adhesive strength
- Ideal for steep slope or curved roof areas
![EVALON VG](https://www.alwitra.co.uk/media/images/uploaded/products/3/evalon-vg.156.full.jpg)
EVALON® VG
Superior Fire-Retarding Waterproofing
Superior Fire-Retarding Waterproofing
- Compatible with bitumen
- High thermal-mechanical resilience
- Root and rhizome-resistant
- High reflection of heat rays
![EVALON VGSK](https://www.alwitra.co.uk/media/images/uploaded/products/5/evalon-vgsk.54.full.jpg)
EVALON® VGSK
Superior Fire-Retarding Self-Adhered Waterproofing
- Up to five times lower fire load compared to two-layer seals
- Optimal vapour pressure compensation function of the polyester fleece or glass/polyester fleece backing
- Self-adhesive underside coating
- With the integrated fire protection layer, for direct bonding on unbacked rigid EPS foam boards
What is a Single Ply Membrane?
Single ply membranes are flexible synthetic polymer waterproofing sheets specifically designed to waterproof flat roofs. This type of roofing can be categorised into two groups: thermoplastics and synthetic rubber, offering a modern solution for flat roof applications.
What is the best Single Ply Membrane?
The best Single Ply Membrane is a vinyl-ethylene-terpolymer (VET) membrane, comprising polyvinyl-chloride (PVC) and ethylene-vinyl-acetate (EVA), which results in an extremely stable product, free from potentially harmful volatile plasticisers. With excellent chemical resistance. It provides a reliable protective membrane against inclement weather to ensure buildings remain protected for years to come.
alwitra® are the leading supplier of Single Ply Membranes with a 50-year service life and a 25-year guarantee, they are as reliable as they are cost-effective. Easy to install, and available in various colours to replicate traditional roofing at a lower cost, these BREEAM Accredited, UV stable, root-resistant membranes are bitumen-free, solvent-free and applied cold. Most importantly, they are trusted by architects, roofing contractors and developers throughout the world.
System Components
![Aluminium Profiles](https://www.alwitra.co.uk/media/images/uploaded/aluminium-profiles.17.featured.jpg)
Aluminium Profiles
High-quality aluminium profiles for roof edging and roof capping.
Discover more![Daylight Systems](https://www.alwitra.co.uk/media/images/uploaded/daylight-systems.18.featured.jpg)
Daylight Systems
Superior daylight systems providing light and excellent thermal insulation.
Discover more![Roof Drainage](https://www.alwitra.co.uk/media/images/uploaded/roof-drainage.19.featured.jpg)
Roof Drainage
The perfect solution to various drainage issues for low sloped roofs.
Discover more![Accessories](https://www.alwitra.co.uk/media/images/uploaded/accessories.21.featured.jpg)
Accessories
Additional extras to customise your alwitra® waterproofing system.
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