8 Types of Single-Ply Roof Membranes

By Roof Online Staff • Updated September 15, 2022

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Table of Contents

CPE (Chlorinated Polyethylene) Single-Ply Roof Membrane

A CPE single-ply roof membrane after a rain.
A CPE single-ply roof membrane after a rain.
  • Colors: White, Gray
  • Attachment Method: Fully-Adhered, Mechanically Fastened, Ballasted
  • Seaming or Patching Method: Hot Air Welded
  • Asphalt Compatibility: Good
  • Resistance to Oils, Coolants, and Grease: Excellent
  • In Use Since: Late 1960’s

CSPE “Hypalon” Roof Membrane (Chlorosulfonated Polyethylene)

  • Colors: White (typical), Various Others
  • Attachment Method: Fully-Adhered, Mechanically Fastened, Ballasted
  • Seaming or Patching Method: Hot Air Welded (typical), Adhesive
  • Asphalt Compatibility: Good
  • Resistance to Oils, Coolants, and Grease: Animal Fats – Excellent; Petroleum – Fair
  • In Use Since: Mid-1960’s, US production stopped in 2010

To learn more about Hypalon, see our Hypalon (CSPE) Roofing page.

EPDM Roof Membrane (Ethylene Propylene Diene Monomer)

An EPDM single-ply roof membrane
An EPDM single-ply roof membrane
  • Colors: Black (typical), White
  • Attachment Method: Fully-Adhered, Mechanically Fastened, Ballasted
  • Seaming or Patching Method: Adhesive or Adhesive Tape
  • Asphalt Compatibility: Fair
  • Resistance to Oils, Coolants, and Grease: Poor
  • In Use Since: 1970’s

To learn more about EPDM, see our EPDM Roofing page.

KEE/PVC Roof Membrane (Ketone Ethylene Ester + Polyvinyl Chloride)

KEE/PVC Roof Membrane
Installing a KEE/PVC roof membrane (image courtesy Mule-Hide Products)
  • Colors: White, Gray, Tan, (custom colors available)
  • Attachment Method: Fully-Adhered, Mechanically-Fastened, Ballasted
  • Seaming or Patching Method: Hot Air Welded
  • Asphalt Compatibility: Good
  • Resistance to Oils, Coolants, and Grease: Good
  • In Use Since: 1980’s

PIB Roof Membrane (Polyisobutylene)

PIB roof membrane
PIB roof membrane (image courtesy FDT Flachdach Technologie)
  • Colors: Black, Gray, White
  • Attachment Method: Fully-Adhered, Mechanically-Fastened, Ballasted
  • Seaming or Patching Method: Adhesive or Hot Air Welded
  • Asphalt Compatibility: Good
  • Resistance to Oils, Coolants, and Grease: Poor
  • In Use Since: 1930’s

PVC Roof Membrane (Polyvinyl Chloride)

A newly-installed PVC single-ply roof membrane
A newly-installed PVC single-ply roof membrane
  • Colors: White, Gray, Tan, (custom colors available)
  • Attachment Method: Fully-Adhered, Mechanically-Fastened
  • Seaming or Patching Method: Hot Air Welded
  • Asphalt Compatibility: Poor
  • Resistance to Oils, Coolants, and Grease: Fair
  • In Use Since: Late 1960’s

To learn more about PVC, see our PVC Roofing page.

TPE Roof Membrane (Thermoplastic Polyolefin Elastomer)

TPE roof membrane
TPE roof membrane (image courtesy Armormat)
  • Colors: Gray
  • Attachment Method: Fully-Adhered, Mechanically-Fastened, Ballasted
  • Seaming or Patching Method: Hot Air Welded
  • Asphalt Compatibility: Good
  • Resistance to Oils, Coolants, and Grease: Animal Fats – Excellent; Petroleum – Poor
  • In Use Since: 1990’s

TPO Roof Membrane (Thermoplastic Polyolefin)

A TPO single-ply roof membrane during installation
A TPO single-ply roof membrane during installation.
  • Color Availability: White, Gray
  • Attachment Method: Fully-Adhered, Mechanically-Fastened, Ballasted
  • Seaming or Patching Method: Hot Air Welded
  • Asphalt Compatibility: Good
  • Resistance to Oils, Coolants, and Grease: Animal Fats – Excellent; Petroleum – Poor
  • In Use Since: 1980’s

To learn more about TPO, see our TPO Roofing page.