Finally, he paved the walkways, creating a textured surface by using brush strokes over wet mortar - again, a technique which he developed over years of experimentation.

Now our commercial mortar is only using in several big cities, and is limited in the wet mortar at small dosage and in small scope, the drying powder mortar is using little and little.

The polymer mortar construction, surface touch drying should be carried out after spray curing or covered grass, keep wet sack.