Johns Manville equipment board and blanket insulation products provide solutions you can count on. These products deliver excellent thermal and acoustical performance and satisfy a wide range of application and design requirements. Our fiber glass boards and flexible fiber glass blankets are designed for use on process equipment, ducts and vessels. Contractors rely on JM’s board and blanket insulation products for superior handling strength and ease of fabrication for improved productivity. JM’s proprietary manufacturing process ensures optimal consistency during production, which results in a product quality you can trust.