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Research shows lead is greenest

The independent Netherlands Organisation for Applied Scientific Research (TNO) recently performed a study to compare the environmental impact of lead sheet as a weatherproofing material with that of its substitutes (including PiB, SEBS modified bitumen, polyester, EPDM and PVC). TNO concluded that lead sheet has the best environmental performance as a weatherproofing product – largely due to its long service life and the limited need for primary raw materials. For more details, go to downloads and click on the TNO research summary.