One of a feasible and efficient method to retrofit structures is spraying shotcrete which is widely applied around the world. Shotcrete is concrete with fine aggregates which are sprayed through a hose and by air pressure coat at high velocity onto a surface. In the current research. three masonry schools from different regions of Iran are selected. https://www.jmannino.com/quick-grab-Shower-Cap-Romantic-Garden-big-savings/