It turns out lighter gypsum wallboard sells well.  In July 2010, USG Corporation tested the market for Sheetrock UltraLight panels, which are anywhere from 15-24 pounds lighter per panel depending on the size, and they outsold heavier product, according to NYSE Magazine.  Since then, the panels have rolled out to several Home Depot stores and a 40% lighter joint compound was introduced in January this year.

In terms of green attributes, the non-combustible core is made with recycled content and the face and back paper is 100% recycled.  In addition, the panels qualify as a low-VOC emitting material (i.e., compliant with CA 01350).

But really UltraLight was designed to make it easier to install gypsum.  The panels are harder, up to 30% lighter, and easier to score and snap than standard gypsum, according to USG.  The product has at least 16 reviews at Home Depot and many of the comments reflect that the panels feel light and score easily.

[+] More about Sheetrock Brand UltraLight Panels.

Credits: USG Corporation.