Complex sentence: In 1996 the company bought Poliet (the French building and construction distribution group) and its subsidiaries such as Point P. and Lapeyre, this expanded Saint-Gobain's product line into construction materials and their distribution.
Split into simpler sentences: In 1996 the company bought Poliet (the French building and construction distribution group) and its subsidiaries, such as Point P. and Lapeyre. This expanded Saint-Gobain's product line into construction materials and their distribution.