Because of its natural formation, El Salvador is a country that has a lot of earthquakes and volcanoes. Therefore, we can find soil that comes from volcanic ashes all round the country. This kind of soil has been used for many years in El Salvador only for filling and compaction in construction, but now it is used as an alternative material to create brick. Soil-cement bricks, which are made of cement and soil that comes from the ash of volcanoes, are eco-friendly alternative. To obtain the properties of soil-cement masonry, tests in the material were performed. In addition, to know the structural performance of the masonry walls, test in confined an unconfined masonry specimens were done. The specimens were subjected to compression and shear test, from where strength and shear crack load were obtained and recorded.