We are
Original composites
& Fiberglass

Built on legacy. A new chapter starts now.

Over 85 years ago, we started producing the glass fibers that sparked today’s composites industry. Our reinforcements enable progress and transform the world around us.

85+ Years
of glass fiber innovation
12 Countries
around the globe
4,000+ Employees
ready to enable more

Explore Our Solutions

SER
Single-End Roving
Continuous glass fiber strands, also known as Type 30, engineered for strength, consistency, and performance across weaving, winding, pultrusion, and long fiber thermoplastics processes.
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MER
Multi-End Roving
Multiple glass fiber strands combined into a single roving to enable efficient, high-volume processing in applications like spray-up and SMC.
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CSM
Chopped Strand Mat
Randomly distributed glass fiber mats that enable easy fabrication and deliver uniform strength in hand lay-up and open molding processes.
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CFM
Continuous Filament Mat
Continuous glass filaments formed into a mat that provide consistent performance, smooth surface finish, and reliable reinforcement.
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Fabrics
Fabrics
Engineered glass fiber textiles that deliver targeted strength, durability, and performance across a wide range of composite applications like wind energy.
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DUCS
Dry-Use Chopped Strand
Precision-cut glass strands designed for dry processes, delivering consistent reinforcement in thermoplastic and compounding applications.
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Concrete
Concrete Reinforcing Fibers
Corrosion-resistant glass fibers engineered to reinforce concrete for increased productivity and enhanced durability.
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Defying Tradition in Complex Industries

Discover how glass fiber reinforcements MAKE MORE POSSIBLE™ in critical industries around the globe. Let’s drive progress, together.

Explore Industries
Infrastructure & Industrial

Utility poles, data centers, piping, tanks, bridge decks, modular construction, industrial protection systems, and more.

Wind Energy

Wind blade spar cap, root, shell, trailing edge, shear web, kits and preforms, nacelle components, and more.

Automotive & Transportation

Body panels, structural components, interiors, heavy truck parts, thermoplastic composite applications, and more.

Construction & Consumer Goods

Window lineals, door frames, door skins, tubs and baths, ladders, consumer product components, and more.

Marine

Boat hulls, boat decks, swim platforms, outboard engines, marine structural components, and more.

Concrete Reinforcements

Concrete floors, bridge decks, precast elements, cement-based reinforcement applications, and more.

CONNECT WITH AN EXPERT.

From product experts to global customer support professionals, our dedicated team is ready when you need us.

Contact Us

Get to know us.

About Us

More than 85 years ago, as part of Owens Corning, we discovered commercially viable processes for making glass fibers. In doing so, we pioneered the composites industry. Our legacy of innovation continues today as we develop solutions that transform our company and the world around us.

Our Mission & Values
We're the leading global provider of glass reinforcement solutions matching the differentiated needs of the growing composites industry. Our values: Passion. Ownership. Team Spirit.
Where Global Meets Local Partnership
We operate around the globe and around the corner. We’re ready to support you with regional manufacturing, technical teams, and on-the-ground expertise. Reach out to us.
A New Chapter as Original Composites & Fiberglass
We're now operating as Original Composites & Fiberglass, part of Praana Group, bringing a more focused approach while building on decades of experience in composites.
Industries We Serve
Find our products in industries like transportation, infrastructure, industrial, wind energy, construction, marine, and more. Explore our Industries.
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Newsroom

March 20, 2026

What is the Future for Glass Reinforcements?

An industry pioneer discusses divergent visions in a global industry, consolidation and growth in Asia, doubling market share and tells acomposites sustainability story involving circular fibers.

SUSTAINA Loop: Circular Glass Fibre Platform

Chris Skinner, VP Strategic Marketing & R&D, explains how we're incorporating glass fibre waste into new glass fibre products without compromising performance.

Gjenkraft Expands Composite Recycling with Partner

Recycling company Gjenkraft AS (Høyanger, Norway) has signed a letter of intent (LOI) with Owens Corning (Toledo, Ohio, U.S.) to develop scalable circular economy solutions for postindustrial composite waste.