Corrugated cardboard is disclosed that resists the growth of mold, the cardboard comprising: a single face liner containing starch, biocide, water and pulp; a double face liner containing starch, biocide, water and pulp; a fluted medium sandwiched between the single face and double face liners; and adhesive securing the fluted medium to the single face and double face liners. Structures are also disclosed for forming voids in concrete during construction processes where the voids resist growth of mold and spores, and a process is taught for producing mold- resistant corrugated cardboard and structures for forming voids.
http://ip.com/patapp/CA2431614A1
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