PITTSBURGH - The Pennsylvania Superior Court on Dec. 3 found that underlying complaints involving defectively designed or manufactured windows and doors alleged an occurrence under a commercial umbrella insurance policy, reversing and remanding a lower court's ruling in favor of the insurer (Indalex Inc., et al. v. National Union Fire Insurance Company of Pittsburgh, PA, No. 612 WDA 2012, Pa. Super.; 2013 Pa. Super. LEXIS 3186).