Retro-style windows

The INvent Retro XLT windows from Wausau Window and Wall Systems feature a narrow, beveled exterior face that replicates classic steel and wood windows while offering modern, high performance. On display at Greenbuild, the INvent Series windows have low U-Factors that help meet model energy codes, are tested to meet AAMA AW-100 and are backed by a warranty of up to 10 years, according to company officials. Booth 3124N. 

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