Spanish and Scottish researchers have added wool fibers to clay material that manufactured bricks and have joined them with alginate, a natural polymer that is extracted from algae. The result are a few bricks more resistant and ecological objective was elaborate brick reinforced with wool, and obtain a more sustainable, non-toxic compound that use abundant local materials, and improve its mechanical resistance. According to the mechanical tests performed, the compound is 37% more resistant than other stabilized earth bricks, uncooked. Advantages of the ecological brick researchers have analyzed the effect of reinforcement with wool sheep in different soils and have detected fibers to improve the compressive strength of bricks, minimize the cracks and deformations for shrinkage, reduces drying time, and increasing resistance to the flexion stress. This research is one of the initiatives that foster the development of more sustainable construction materials.
Included inside of the manufacture of bricks that do not require cooking, so it contributes to energy saving. According to the authors: is an alternative more sustainable and healthier than the masonry conventional materials, such as the baked clay and concrete blocks. The Earth without trying was one of first building materials used by mankind. The oldest examples are found in homes near east of between 11,000 and 12,000 years ago. In archaeological remains of the 14th century BC, located in Sardinia (Italy), also found earthy material mixed with plants or pebbles, resistant purposes.