Embodiments of the present invention are directed, inter alia, to novel methods for producing substrates and articles of manufacture that possess a passive barrier to the passage of crawling insects and the related substrates and articles of manufacture. An exemplary article of manufacture can be a pet food bowl, a pet food container, a kitchen cupboard, a trash receptacle, a garbage receptacle, a foundation of a structure, a bee hive, a bird feeder, a plate, a bowl or a pedestal suitable for cake, cupcakes or other food item. The crawling insects can be, for example, an ant (leaf eater, Argentine, carpenter, pharaoh, fire), a spider, a cockroach, a bed bug, termites, an aphid, an arthropod, a tick, a flea, a silver fish, a thrip, a gnat, an aphid, a Japanese beetle, a beetle (potato and bean), a flea beetle, a fleahopper, a squash bug, a slug, a leaf hopper, a harlequin bug, a milk weed bug, a mite, a louse, a scorpion, a millipede, a centipede or a gypsy moth.
