

Sika Sarnafil® AT Approved Roofing Contractor
We’re proud to be a Sika Sarnafil AT Approved Roofing Contractor; trusted to install one of the most advanced and durable single-ply roofing systems available in the industry today.
Why Choose Sarnafil® AT?
Sarnafil® AT membranes are widely regarded as the premium choice for long-lasting, high-performance single-ply waterproofing. Manufactured in Switzerland, a country renowned for precision and quality — Sarnafil® AT membranes are produced to ISO 9001 standards and CE marked to BS EN 13956:2005, ensuring reliable quality with every roll.
Backed by decades of innovation and real-world performance, these membranes have been independently verified by the British Board of Agrément (BBA) with a life expectancy of 40 years. This gives you confidence that Sarnafil® AT will deliver exceptional longevity and peace of mind for your project.
Sustainability and Advanced Technology
Sarnafil® AT combines the best qualities of PVC and FPO membranes, offering:
- Plasticiser-free formulation for improved environmental performance
- Hot air weldable seams without the need for open flames
- Cradle to Cradle Certified® Silver, recognising its sustainable design and recyclability
- Compatibility with Sarnafil® T accessories and detailing components
Whether you’re pursuing a BREEAM-rated build or simply want to futureproof your building envelope, Sarnafil® AT meets the latest performance and sustainability standards.
Approved Contractor Installation
Sika Sarnafil’s commitment to quality goes beyond product manufacture. Installation is carried out exclusively by licensed and approved contractors, like Enviroply Roofing. As a certified partner, we ensure your roof is installed precisely to Sarnafil AT’s exacting requirements, delivering the performance and durability the system is designed for.
We’ll work with you to:
- Select the right solution for your project
- Carry out the installation to manufacturer-approved methods
- Provide full traceability and certification as part of your handover
Versatility for Modern Roof Design
Sarnafil® AT is suitable for use on:
- New-build and refurbishment projects
- Roofs built from steel, concrete, or timber
- Warm, cold, and inverted roof constructions
- All roof shapes, flat, pitched, domed, wave form, concave, convex, and even vertical applications
Available in a range of colours and thicknesses, it offers architects and specifiers design flexibility without compromising on performance or appearance.
Trusted Expertise from Enviroply Roofing
At Enviroply Roofing, we have years of experience installing single-ply systems on commercial and industrial buildings across the Northwest. When you work with us, you benefit from:
- Sika-trained installation teams
- A manufacturer-backed guarantee
- Dedicated support from planning to project completion
Learn More
For more technical information about Sika, their sustainability credentials, and their products, visit Sika’s official products page .