Masonary glue (with registered trade mark SIL K) is dry mixture of glue-mortar for internal wall and floor ceramic tiles sticking on adequately prepared surfaces. 
     Sil K can be very easily prepared (by hand or machine mixing with water in ratio Glue : Water = 4 : 1) and used, and duration of built in glue-mortar is unlimited.
     Sil K is ready for usage 15 minutes after water is added, and prepared quantity has to be built in within 2 hours after preparation, at temperature between +5 and 30 ^oC.
     It is required 3-5 kg of glue for sticking the 1m² of ceramic tiles, depending on surface type. The glue spreading can be done with scratching trowel in layer 5mm thick.