Johns Manville, a Berkshire Hathaway company (NYSE: BRK.A, BRK.B), is a leading manufacturer of high-quality filtration media and offers a broad range of glass fibers and nonwovens made of glass and synthetic fibers. In business since 1858, the Denver-based company has annual sales over $4 billion and holds leadership positions in all of the key markets that it serves. Johns Manville employs 8,000 people and operates 44 manufacturing facilities in North America and Europe.
As a leading manufacturer of high-quality filtration media, Johns Manville offers a broad range of glass fibers and nonwovens made of glass and synthetic fibers. Our product portfolio includes: fiberglass sliver and glass microfibers, spunbonds, meltblowns, fiberglass nonwovens (airlaid, wetlaid, drylaid), and composites.
Our top of the line filtration media are used in different applications, including automotive, air pollution control, HVAC, coolant and lubricant purification, food and beverage, pharmaceutical, mist elimination and lead-acid batteries.