(January 4, 2018, 8:56 AM EST) -- MINNEAPOLIS — A federal judge in Minnesota on Jan. 2 awarded summary judgment to the manufacturer of fiber-cement siding that allegedly discolors prematurely, finding that the 50-year limited warranty provided by the company does not cover improper installation or design defects (In re: HardiePlank Fiber Cement Siding Litigation, MDL 2359, Case No. 12-md-2359, D. Minn., 2018 U.S. Dist. LEXIS 102)....