Step 1 Using angle grinder and air compressor completely remove and clean the mortar joints and make sure that there is no slack point on the surface. Step 2 In order to prepare the needed mortar for sleeking mix NSG-N50 with water in a 1:1 ratio (1unit of NSG-N50 and 2 units of water). Apply the mixture on the surface of the wall and then wait for 2 hours to let the mortar dry completely. Step 3 Mix 1unit of NSG-N50 with 3 units of water to and then add cement to the solution to produce a roughly diluted grout. Then inject the grout into the open mortar joints. Make sure that all the evacuated areas are filled completely and all the pores and vessels are blocked. The injection is done with a disposable bottle that its cap is pierced. Step 4 After NSG-N50 grout completely dries, produce a stiff grout with 1 unit of NSG-Z90 with1unit of water, 1 unit of cement and 2 units of silica (NSG-S30) inject it into the joints. It is also possible to use sifted stone powder instead of silica). Immediately sprinkle NSG-SIO on the injected grout and wipe the surface with a cleaning cloth so that joints are fully filled while the extra grout is cleaned and the beauty of the appearance is preserved. On the walls, once NSG-N50 grout dries, first mix NSG-Z90 with water in a 1:1 ration and apply it twice on the wall surface when the first layer is dry (approximately half an hour later). Then, coat completely the wall surfaces using a mixture of 1 unit of NSG-Z90, 1 unit of water,1 unit of cement and two units of silica twice with the time interval of drying the first layer (approximately 45 minutes to one hour). This step is done by brush. It should be noted, however, that if there are floor drains, pipes, or fittings on the surface, NSG-PLC mesh must be applied to fill the surrounding of the pipes completely. To do that, leave NSG-PLC mesh at the Place and fill the mesh surface with grout until the mesh springs are completely filled. Step 5 After the NSG-Z90 grouted joints dry completely (approximately 24 hours after injection), coat the joints by a one-to-one ratio mixture of NSGZ90-water with a thin brush. This step should be performed twice to raise the safety margin. Then, coat the wall surface twice with the time interval of drying the first layer (approximately half an hour) using a two a one-to-one ratio mixture of NSGZ90-water with a thin brush. Buy this product

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