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JM EPDM membrane with factory inseam tape for R FIT 60 mil & R FIT 75 mil

Meets the requirements of ASTM D 4637, Type II

Membrane: Cured EPDM (ethylene propylene diene monomer) reinforced with a tough 1,000+ denier polyester mat. Excellent puncture and hail resistance.

Factory Inseam Tape: For superior quality assurance and labor savings compared to field fabricated seams.

Fully Extruded: Produces fewer air voids, more uniform thickness and smoother sheets.

Vulcanization Process: Combines two layers of membrane to produce a fully cross-linked monolithic membrane.

Polymer Formulation: Performs in extreme temperature climates and withstands differential movement (elongation).

UV-Stabilization Properties: Offers outstanding ozone and weather resistance delivering one of the longest service lives available.

Technical Expertise: Backed by 30+ years of EPDM experience and installations.



Brochure - JM EPDM Thicker. Smoother. Cleaner.
Single Ply Roofing for Metal Roof Retrofit
2020 Annual ERA Report on Building Resilience: The Roofing Perspective

Installation Guides

JM EPDM Application Guide
JM Vapor Barrier SA Installation Guide

JM Vapor Barrier SA Installation Guide - Español 

EPDM R FIT (MF) 2-Sided Install Guide

EPDM R FIT (MF) 1-Sided Install Guide

EPDM R FIT (MF) 1-Sided Install Guide -  Español


System Considerations

Roof Decks
Vapor Retarders - SA Primer
Vapor Retarders - SA Primer Low VOC



Selector Guides

JM EPDM Accessories Selector Guide 
JM EPDM Membrane Selector Guide 
EPDM Accessories Schematic 

Available Documents