Kolbe & Kolbe. The maker has added Lyptus hardwood, an exotic species grown to sustainable forest certification standards, to its interior wood species custom options. Offering the benefits of tropical hardwood, Lyptus features consistent quality, visual appeal, a dependable supply, and better affordability than other exotics, the maker says, making it ideal for upscale windows and doors. A Weyerhaeuser product, Lyptus is harvested from non-tropical, certified eucalyptus plantations from trees that can be re-harvested within 16 years of planting, making it a sustainable choice. 800.955.8177. www.kolbe-kolbe.com.