Commercial Roofing

For Building Owners

Johns Manville offers the most comprehensive set of solutions for commercial low slope roofing. With excellent specification assistance, the highest quality products and proper installation, you can count on JM to meet your roofing needs. Long-term durability and superior life cycle value are the hallmarks of a JM roofing system.

150 Years of Experience Means the Ideal Roof for Your Building, Your Climate

Our unmatched offering of systems and products combined with our breadth of industry knowledge means we can provide options to meet local codes and regulations as well as stand up to the elements in your building’s particular environment. An office building in the hail belt and a manufacturing facility in a strong-UV, highly chemical environment present their own distinct roofing issues. Whatever the challenge, we have the functionally correct roofing solution.

Components Designed to Work Together

Any JM system you choose includes the membrane, insulation products and accessories—all designed to work together in a functionally integrated system. Being responsible for each part of the system allows us to also offer the industry’s most comprehensive roof system guarantees. And even when a single building requires more than one roofing system, our comprehensive guarantees cover the entire roof.

Sustainable Solutions for Energy Efficiency

Sustainability can also be favorable for your profitability. JM’s highly reflective membrane solutions in conjunction with polyisocyanurate insulation is a great way to lower your energy bills. In addition to traditional roofing solutions, JM E3co. can provide superior alternative solutions, including solar and vegetative systems, to further enhance the energy efficiency of your building.

High Quality Products Create Lower Life Cycle Costs

By utilizing state-of-the-art equipment and manufacturing facilities, the membrane and insulation products we produce meet or exceed industry standards. With longer roof lives, less maintenance, fewer repairs and lower operating costs, JM’s integrated systems will mean lower costs over the life of your roof.


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