It is not recommended to trowel with mortar plastering. The softness of product can be controlled. However, the gridding is not easy to control with good positioning. The lower the hardness is, the worse positioning is. The hardness of product is related to the raw material. Therefore, the hardness should be proper. On the basis of good positioning, the Jingguo products should be coated with emulsion. The hardness may also affect the overall effect of the thermal insulation and construction. But when coating the emulsion, the wire will move with big tension. The products with different hardness have different positioning. When troweling with mortar, the product may be positioned. The hardness is also related to the glue coated on the surface. The hardness is controversial to the positioning.
