CertainTeed Corporation

December 2, 2019 A consumer alleges in a class action that CertainTeed's Horizon line of fiberglass shingles can prematurely warp, crack, degranulate and deteriorate.

October 26, 2017 CertainTeed Corporation and Saint-Gobain Corporation are on the receiving end of a proposed class action that alleges their vinyl siding products contain a manufacturing defect that causes them to degrade when exposed to normal weather conditions.