Multilayer Method: the addition of the plastic film was the initial step to produce brick containers impermeable to liquids and heat-sealable. In the nineteen sixties, an aluminum foil began to be added into the cardboard container to make sure greater protection and increase the shelf life of the packaged solution. https://wateringabletoppak.wordpress.com/2025/08/10/gable-top-carton-advantages-is-in-beverage-and-personal-care-product/