High Quality Content by WIKIPEDIA articles! There are several distinct construction methods for private (home) swimming pools, which are typically called "concrete", "vinyl liner", and "fiberglass". The term "vinyl liner" pool describes the method of lining the interior, not the construction materials, which may be concrete (of various types), pressure-treated wood, galvanized steel wall system, structural foam (polymer) wall system, and recently introduced, fiber reinforced composite wall system.