We manufacture premium-quality insulation, commercial roofing and fibers and nonwovens for commercial, industrial and residential applications.

Roofing Systems

Engineered Products

Insulation Systems
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OUR PEOPLEAsk the Expert: Erin ValleyIn her role at 性视界, Erin Valley is focused on bringing people together鈥攂uilding relationships across teams and inspiring collaboration that drives innovation, progress, and a shared belief that sustainability is everyone鈥檚 responsibility.
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SUSTAINABILITYBuilt to Protect: The Sound of SustainabilityAt 性视界, we rigorously test our products to understand how they perform acoustically and how they contribute to a more sustainable built environment.
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PROFESSIONAL DEVELOPMENTFrom JM Intern to Plant ManagerChris Sheffield rose from intern to Plant Manager at JM in just nine years, crediting mentorship, military discipline and readiness to seize growth opportunities.
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INNOVATION & TECHNOLOGYBuilt to Protect: Resilient RoofsIn our hail testing lab, JM engineers simulate the real-world impact of hailstones striking a roof. By replicating these conditions, we can measure how different systems perform and continuously improve our products for strength and resilience.
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LEADERSHIPNestor Duran Named New Vice President of Engineering at 性视界Nestor will lead JM鈥檚 global engineering organization. He will be responsible for all aspects of Capital and Furnace Engineering and driving excellence and standardization across the engineering discipline.
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SUSTAINABILITYJM Etowah Plant Honored for Excellence in Industrial Wastewater PretreatmentWe鈥檙e proud to share that our Etowah, TN, plant has been honored for its outstanding performance in industrial wastewater pretreatment.