Recyclability of Mechanically Attached PVC Roofing Systems

Ensuring Sustainability at Roof End-of-Life

PVC (polyvinyl chloride) and Elvaloy KEE roofing systems have a long-standing reputation for durability, energy efficiency, and extended service life. In addition to these benefits, mechanically attached PVC systems offer a key advantage in end-of-life management: the potential for recycling. These systems can be removed with minimal disruption, making the membrane easier to reclaim and recycle, which contributes to waste reduction and supports sustainability initiatives.

The Role of Recyclability in Sustainable Construction

As sustainability becomes a central consideration in building design and operations, material choices are increasingly evaluated not only for their performance in use but also for their end-of-life impact. Recyclable roofing systems help reduce construction and demolition waste, support environmental certifications such as LEED, and align with broader corporate sustainability and ESG initiatives. Mechanically attached PVC membranes are particularly well-suited to these aims.

Recyclability of Mechanically Attached PVC Systems

In mechanically attached systems, the roofing membrane is secured to the deck using fasteners and plates, typically along the seams. This method eliminates the need for adhesives, allowing the membrane to be removed more cleanly at the end of its service life. By avoiding the use of bonding agents found in fully adhered systems, mechanically attached roofs can be disassembled with minimal contamination. This clean separation makes the recycling process more feasible and efficient.

Key Benefits of a Recyclable PVC Roof System

Selecting a recyclable, mechanically attached PVC roof can support broader sustainability objectives by:

  • Diverting waste from landfills
  • Contributing toward LEED and other certification goals
  • Lowering the carbon footprint associated with raw material extraction
  • Enhancing the sustainability profile of the building
  • Supporting transparency and environmental stewardship

Planning for End-of-Life Recycling

For building owners, designers, and contractors planning a roof replacement or new installation, incorporating recyclability into the design phase can improve long-term sustainability outcomes.
To learn more about recyclable membranes, take-back programs, or how to document recycling efforts for certification purposes, contact our sustainability team. We’re available to support your project at every stage, from specification to tear-off.

PVC Membrane Recycling Process

The recycling of mechanically attached PVC membranes generally follows three stages:

1. Removal – After a typical service life of 20 to 30 years, the membrane can be removed without significant contamination. The mechanical fastening system allows for efficient tear-off with minimal residue.
2. Inspection and Sorting – The recovered membrane is evaluated to determine its suitability for recycling. Membranes that are free from adhesive, asphalt, or ballast contamination are preferred.
3. Recycling and Reuse – Once approved for recycling, the membrane is mechanically shredded into flakes. The PVC material is then blended with virgin PVC to produce new PVC products, such as flooring, walkpads, or accessories. This process maintains product performance and reduces the demand for virgin raw materials.

CFFA Step-by-Step Guide

The Vinyl Roofing Division of the Coated Fabrics and Film Association exists to raise awareness among design professionals, contractors, and property stakeholders about the long-term performance and practical benefits of PVC in single-ply roofing, highlighting its strength, energy efficiency, and suitability for heat-welded applications.

Bringing together North America’s top thermoplastic PVC roofing manufacturers, the Division focuses on sharing credible, science-driven knowledge about how PVC systems perform in real-world conditions, both in terms of sustainability and functionality.

In this video, the CFFA lays out the eight steps to recycle PVC roofing membranes and reduce waste in projects