Superior Fibers, LLC was established in 1984 with the acquisition of The Modiglass Division of Reichold Chemical Company by a group of private investors. It has remained privately held from that time.

Superior Fibers designs, manufactures and markets filtration and separation media for use in diverse air treatment applications including commercial and residential HVAC, painting, manufacturing and specialty applications such as light diffusors, building ventilation and rail. Within these markets, the Company’s media fulfills critical performance requirements, protecting people, processes and equipment from a wide range of harmful contaminants. Superior Fibers is the #1 global independent provider of glass filament media. The Company leverages decades of experience to manufacture the most advanced glass filament media in the world, often incorporating other forms of media to achieve advanced performance criteria. The Company sells this media to its longstanding customer base, which includes market-leading global filtration OEMs, and customizes solutions which provide exacting
technical performance and significant advantages over competing offerings. The Company’s customers brand, package and market the company’s media through a diverse set of channels, including industrial and national distributors, direct sales forces, ecommerce and retail. From its single facility in Reedsville, WV, the Company manufactures over 400 million square feet of media annually through a proprietary method which the Company invented and on which it maintains patent protection.

Superior Fibers manufactures fiberglass media for the following markets:

  • Residential and commercial HVAC filtration
  • Paint overspray filtration in painting applications
  • Light diffusers for Daylighting Systems
  • Lofted fiberglass reinforced polyurethane materials
  • Railroad bag filters
  • Roof ridge vents


fiberglass media

HVAC MERV 6 filter

Lower pressure drop and higher dust holding than pleat

Fiberglass paint arrestor - PaintHog

Paint arrestor

Holds more paint, lasts longer and cost much less than the best competing paint arrestor