STONE tile can be tricky to install and even trickier to maintain. Some of  the main problems associated with installation occur because of improper grouting. There are some major reasons why problems occur after the grouting procedure. These include rapid hydration of Portland cement-based grouts and the erosion of such joints.

SAUDI-based Yamama Granite and Marble (YGM) is all set to increase production capacity by 25 per cent in the next six months following the installation of new machinery. The machines, which will be installed within the factory’s current premises in Riyadh, will boost the firm’s capacity to 1.5 million sq m per year from the current 1.