February 2007

Volume 16, Number 2

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Green Topics

Recycled-EPS Interior Molding

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Timbron’s recycled-polystyrene interior moldings are especially well suited for use in damp and humid areas.

Timbron International, Inc.

Timbron International, Inc., offers interior decorative moldings that are 90% recycled polystyrene but have the density and workability of softwood. These durable wood-alternative crowns, bases, quarters, and rounds come in a white finish but can be painted. This competitively priced faux millwork is waterproof and mold-resistant—setting it apart from wood and making it particularly appropriate for bathrooms, kitchens, laundry areas, and basements. The company extrudes over 5 million board feet (12,000 m3) of its product annually, selling much of it through Home Depot retail locations.

Timbron’s recycled content has been certified by Scientific Certification Systems (SCS) as 75% post-consumer and 15% pre-consumer. Since its inception, Timbron has partnered with industrial facilities that produce large supplies of waste polystyrene—most of which is packaging, qualifying as “post-consumer” because the businesses that supply it are the intended end-users. Timbron provides the businesses with a densifier to compact the waste and transports the material to its California facility. In addition to expanded polystyrene (EPS), the company collects general-purpose polystyrene (GPPS, the clear plastic used in CD cases) and high-impact polystyrene (HIPs, a ubiquitous material used for everything from radio knobs to clear-plastic drinking cups).

The company, which has recycled more than 40 million pounds (18 million kg) of waste plastic since 2000, plans on recycling 12 million pounds (5.4 million kg) of polystyrene this year. It is currently exploring ways to incorporate household-generated EPS waste.  “We try to walk our talk,” Timbron’s environmental stewardship representative, Heather Gadonniex, told EBN. Timbron was recently recognized by the Bay Area Green Business Program for its achievements in water and energy conservation, solid waste reduction and recycling, and pollution prevention.

Timbron’s interior molding was selected as one of BuildingGreen’s Top-10 products of 2006; see EBN Vol. 15, No. 12.

– Mark Piepkorn

For more information:

Timbron International, Inc.

Stockton, California



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February 1, 2007