The research deals with methods and techniques for development of composites laminates designed from natural materials, derived from vernacular building techniques and more specifically of technique called Fibrobarro, directed at rural communities. These techniques use materials found in nature and in particular own LILD, ways of doing common rural regions, following the empirical methodology, translated into new concepts of participatory design, which determines experiences and relationships that influence the social relations of teaching and work of these communities. The set of methods and techniques used throughout the research contributes to the development process of composites, in which applies the design methodology of LILD, which follows the use of clean technologies for low environmental impact and the use of materials regional, aiming at sustainability in the process and in use. The results obtained in the tests and experiments, over the poll, demonstrated the existence of possibility of application of these materials made with raw land, natural fibers and vegetal polyurethane to meet actual demands in the construction of objects of design and architecture, creating new materials and techniques that replace traditional demands that use conventional materials. It was discovered in the huge potential of material use, both in bioconstructives processes, which use adaptive structures made with bamboo; subject to smaller shipments as coating and sealing, such as panels and partitions and more specifically as tiles in residential roofing systems; as in conventional construction processes.