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Single-Ply Roofing Materials
Roofing material categories in the single-ply family.
EPDM Membrane
A single-ply synthetic rubber membrane for low-slope roofs, valued for its long field track record and flexibility. Commonly black; ballasted, mechanically attached, or fully adhered.
Green (Vegetated) Roof
A low-slope roof assembly in which a waterproofing membrane is overlaid with drainage, growing medium, and living vegetation. Classified as extensive (shallow, low-maintenance) or intensive (deep, garden-like). The roofing family is defined by the single-ply or modified-bitumen membrane beneath the planting.
PVC Membrane
A single-ply thermoplastic polyvinyl chloride membrane with hot-air-welded seams for low-slope roofs. Distinguished from TPO by its plasticizer chemistry and strong resistance to chemicals, grease, and fire.
TPO Membrane
A single-ply thermoplastic polyolefin membrane with heat-welded seams, widely used on low-slope commercial roofs. Typically white and highly reflective (cool roof).