The present invention embraces a biological system that can be used as bio-repair, insecticide, termiticide and bio-additive. This invention provides a biomaterial based in a bacteria that produces cellulose from sugar derivate. The biological system increases the resistance and flexural strength and also has an insecticide effect. The biological system of the invention produces a means which comprises a by-product produced by a modification of the bacteria of the genus Gluconacetobacter.
