Technical, Guarantee, and Warranty Services
The expertise you need is always available at (800) 922-5922.
Working with today’s commercial roofs is more complex than ever and requires considerable technical and industry knowledge. At Johns Manville, we emphasize the roof as a complete system. Our highly skilled technicians and engineers provide essential support services throughout the project life cycle—from the early design stages to the completion of the bid package. 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.
By purchasing a Peak Advantage Guarantee, you get:
- Expert installation by approved JM contractors
- Advanced technical assistance
- Timely issuance of all guarantee documents
- Efficient processing of any claims or complaints
To ensure the quality of the roofing installation, JM's field technical staff around the country monitors roofing applications during installation and makes a final inspection on each guaranteed roofing system upon completion. These roofing experts ensure the roofing system meets all the qualifications for a JM Peak Advantage Guarantee.
Johns Manville Roofing Systems Material Warranty Request Form
Johns Manville Roofing Systems Limited Material Warranty Sample
Understanding Your JM Peak Advantage Guarantee Overview
Peak Advantage Guarantee Specimen
JM Peak Advantage Guarantee Charges and Requirements - EPDM
JM Peak Advantage Guarantee Charges and Requirements - PVC
JM Peak Advantage Guarantee Charges and Requirements - TPO
JM Peak Advantage Guarantee Charges and Requirements - APP
JM Peak Advantage Guarantee Charges and Requirements - BUR
JM Peak Advantage Guarantee Charges and Requirements - SBS
JM Peak Advantage Guarantee Rider Charges
Photovoltaic Overburden Additions on JM Guaranteed Roof System
Preventative Maintenance Guidelines