Tierra Armada Spain accumulates more than 40 years of extensive experience in the precast concrete products specialized civil ... engineering field, taking part in numerous national and international projects. Its action is based on the following principles: - Sustainable Technology - Engineering and cutting-edge construction methods - Global expertise, local knowledge - Innovation and development of new materials The design and range of precast products are focused on customer needs: reinforced earth walls, buttressed retaining walls, bridge beams, vaults, under-road passes, noise barriers, green walls, etc. Tierra Armada Spain is a subsidiary of Soletanche Freyssinet Group, world leader in the field of structures, soil and nuclear sector. read more