In parallel with pipe production, rib (rigidity-increasing strap) is applied on the tank pipes manufactured for various rigidity groups using the same raw materials and process technique or both mouth parts are covered applying glass fiber mat and glass fiber webbing-lattice materials together with polyester resin,
Glass Fiber Reinforced Polyester Tanks and silos may be used for gas, fuel oil, airplane fuel, potable water, or waste water storing and many other purposes,