Materials / TPO Membrane
TPO Membrane
single-plyA single-ply thermoplastic polyolefin membrane with heat-welded seams, widely used on low-slope commercial roofs. Typically white and highly reflective (cool roof).
Category family
single-ply
Typical lifespan
15–30 years
Typical wind resistance
FM-rated assemblies to 90-150 mph depending on attachment
Typical fire rating
Class A
Weight per square
30–50 lbs
Cost band
$$
Slope suitability
low
Typical warranty
15–30 years
Pros
- reflective cool-roof surface lowers cooling load
- heat-welded seams
- no plasticizers
- cost-effective
Cons
- formulations and weathering performance vary by manufacturer
- seam quality depends on welding
- relatively newer track record than EPDM
Manufacturers
Named products
Carlisle Sure-Weld TPOCarlisle SynTec Systems
Holcim Elevate UltraPly TPOHolcim Elevate
Johns Manville JM TPOJohns Manville
Versico VersiWeld TPOVersico Roofing Systems
Related guides
Sources
- spri.org verified 2026-07-11