Various aspects of the present disclosure relate to a sealed storage tank. The sealed storage tank includes a polymeric layer having a thickness in a range of from about 0.05 mm to about 1 mm. The sealed storage tank further includes a fibrous scrim layer directly contacting the polymeric layer. The fibrous scrim layer includes a denier value in a range of from about 500 denier to about 1500 denier. The polymeric layer is optionally substantially translucent or transparent and is optionally at least partially visible through the fibrous scrim layer.