Founded in 1975, Chelsea Building Products are a leading manufacturer of extruded building products in the United States. Specializing in the design and manufacture PVC and composite windows and doors, moldings, flooring, exterior wall cladding, shutters, and custom profile. Chelsea’s products can be found in millions of American properties. Chelsea Building Products sources all its materials domestically and compounds its products in-house. Chelsea combines inorganic minerals, polymer resins, and acrylic colorants to produce durable, strong, and safe cellular PVC. With headquarters in Oakmont, Pennsylvania, Chelsea Building Products became a subsidiary of Aluplast GmbH in 2017.
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