Technical FAQs

Where can I find the Environmental Product Declaration (EPD) and other documents related to the suitability and sustainability of PVC pipe and fittings for my project?

In 2015 the Unibell PVC Pipe Association and its member companies including Westlake Pipe & Fittings, obtained an environmental product declaration for gasketed integral bell PVC pressure pipe and gravity sewer pipe.  The EPD was independently verified by NSF International in accordance with ISO 14025. The document may be obtained here: https://www.uni-bell.org/Portals/0/ResourceFile/environmental-product-declaration.pdf

The 2015 EPD expired in 2020 however a renewed EPD is scheduled to be published in late 2022.  Additional information about the EPD may be found at uni-bell.org