Addressing homeowners' desires for environmentally friendly products, Maxxon has introduced new green formulations for its underlayment materials. The GreenGuard-certified, low-emissions products contribute minimal levels of indoor pollutants, the maker says. The green product line includes Gyp-Crete 2000, Therma-Floor, Rapid Floor Plus, and Rapid Radiant. 800-356-7887. www.maxxon.com.