JM Vapor Barrier SAR has a tri-laminate woven polyethylene, nonslip, UV-protected top surface that provides temporary weather protection for 90 days and high tensile strength and puncture resistance. It is a self-adhering modified bitumen with a self-sealing, high-quality SBS rubber and asphalt blend that provides low air and vapor permeability. It's split-back silicone release film is easy-to-peel release film sheet that allows for ease of self-adhering installation.
Tri-laminate woven polyethylene, nonslip, UV-protected top surface: Provides temporary weather protection for 90 days. Provides high tensile strength and puncture resistance.
Self-adhering modified bitumen: Self-sealing, high-quality SBS rubber and asphalt blend: provides low air and vapor permeability.
Split-back silicone release film: Easy-to-peel release film sheet that allows for ease of self-adhering installation.
Fiber glass reinforcement: Offers excellent dimensional stability and tensile strength and withstands differential movement. Because it has no thermal memory, less time is needed to relax the sheet, allowing for ease of installation. The fiber glass mat also has good lay-flat characteristics, contributing to better aesthetics.
When it comes to design, we've got the tools to get you from the desk to the roof. Here you will find all of the Vapor Barrier flashing detalis and installation guides. If you have any questions when it comes to installation, please contact our Specifier Services Group for design and your local technical representative for the field.
JM Vapor Barrier Installation Guide
JM Vapor Barrier Installation Guide - Español
TPO Membrane Selector Guide - Español
JM PVC Membrane Selector Guide
JM PVC Membrane Selector Guide - Español
EPDM Membrane Selector Guide - Español
SBS Membrane Selector Guide - Español
APP Membrane Selector Guide - Español
BUR Membrane Selector Guide - Español
Adhesives and Cements Selector Guide
Insulation and Cover Board Selector Guide
Having covered millions of square feet of roofing for all the major manufacturers, JM understands the complexities of automotive and EV battery manufacturing facilities. Plants requiring a more robust roofing assembly that protects from production chemicals tend to seek a PVC membrane solution, while others lean towards TPO. In the EV/Battery space, vapor barriers offer significant value in high-humidity environments.
This video highlights what a Vapor Barrier is and its role in a roofing system.
When discussions began about the new U.S. Bank Stadium, there was a request for an outdoor stadium. However, state and local government provided funding specifically for an indoor stadium that would be able to host major events like the professional football and college basketball championship games.
Johns Manville offers one of the most comprehensive portfolios of commercial low-slope roofing solutions. We have a long standing dedication to providing solution-based systems for building owners.
Here you will find quick links and cheat sheets to Johns Manville roofing systems code approvals and ratings.
Guarantees and Roof Maintenance
Support services can include: conceptual product information, building science, wind uplift data, national and local code understanding, FM Global® and UL® regulations, fastening patterns and sheet layouts, installation guidelines and standard details.
Re-roofing mechanically attached or ballasted insulated single-ply systems now have the potential for recycling versus contributing to a landfill.
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