Recycled aluminum now standard on all of Wausau’s window and curtainwall framing

Supporting the U.S. Green Building Council LEED(R) Rating System(TM) criteria for recycled content, Wausau Window and Wall Systems now fabricates all of its products using aluminum extrusions exclusively from secondary billet that contain at least 70% total recycled content.

These products continue to be backed by the company’s long-standing warranty of up to 10 years.“From framing that uses thermal barriers and recycled aluminum content, to glass that allows for low thermal transmittance and glare-free daylighting, to smooth-operating hardware that promotes natural ventilation, to the eco-friendly finishes that contribute to a low-maintenance, long lifecycle — our products are manufactured to meet the green design and construction goals of today’s commercial building needs,” says Wausau’s president, Rick Marshall.He continues, “While recycled content requirements are described clearly in the most recent edition of LEED for New Construction and Major Renovation (LEED-NC), the calculations can be complex.Under LEED, the recycled content value of a manufactured assembly is determined by weight. This becomes important when determining the recycled content of window and curtainwall systems, versus individual components such as framing or glass.”

In LEED-NC, Version 3, Materials and Resources (MR) Credits 4.1 and 4.2 require separate reporting for pre-consumer and post-consumer recycled content. These are used to calculate “combined” recycled content, equal to post-consumer plus one-half of pre-consumer recycled content. Depending upon the customer specification and extrusion source, Wausau’s recycled aluminum extrusions have a LEED combined content of 42-69%, with total recycled content of 70-83%.

Wausau provides easy-to-use templates, available on every project, detailing recycled content of components and assemblies by weight. To download comprehensive details, specifications and product performance information for Wausau’s products, please visit

Wausau also welcomes visitors to its LEED-Silver manufacturing center. Further demonstrating its commitment to energy-efficiency and environmental leadership, Wausau’s facility is constructed with the same high-performance systems that it provides to customers.

Wausau will be exhibiting its products at the USGBC’s Greenbuild 2010 in booth #L208.

600450 Recycled aluminum now standard on all of Wausau’s window and curtainwall framing

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