Uzbekistan: Knauf plans to invest up to US$50m to double its production capacity in Uzbekistan, according to Akbar Muhiddinov, a senior manager of Uzstroymaterialy (Uzbek Construction Materials). Knauf currently produces gypsum wallboard at its 20Mm2/yr Knauf Gips Bukhara plant in the Bukhara region that was built in 2011. Including a gypsum-based mix plant, Knauf has invested more than US$51m in the region.