The Importance of Primer in Vinyl Flooring Installation

Before vinyl flooring installation, self leveling should be done first, while before cement self leveling construction, a layer of primer should be applied to the original ground. The primer can be seen as a bonding bridge, which can enhance the adhesion of the old interface and reduce the absorption of the base layer. Seal the original foundation, block dust and moisture, and enhance the compactness of the base layer.

The primer is applicable to the surface of ceramic tile, glass mosaic, polished tile, vitrified tile, marble, Terrazzo, water brush stone, concrete, cement, mortar, etc. The application of the product on the old paint surface must be determined by test.

There is also a special interface agent for cement self leveling. The special multifunctional interface agent for self leveling is an milky white liquid formed by styrene acrylic lotion and acrylic lotion in strict proportion and adding a variety of functional additives through low-speed mixing surface. The self leveling multifunctional primer is applied by rolling coating method and should be cleaned after the ground is cleaned. Dilute the primer with water in a 1:1 ratio and apply it twice with a wool roller. The direction of the first and second roller coatings should be perpendicular to ensure no leakage. Brush the corners with a brush. The construction of cement self leveling mortar can only be carried out after the primer is completely dry.

Direct self leveling of high water absorption floors can quickly absorb moisture from the self leveling process, resulting in the inability of self leveling and affecting flatness; And self leveling and quick drying, which can easily cause swelling and peeling, affecting the laying of PVC flooring. The first function of the primer is to seal the high water absorption base layer, prepare a suitable base surface for the construction of self flowing PVC flooring, and improve the quality of ground decoration.

The film formed after the drying of the interface agent is formed by the building lotion, which has a high cohesive force and can play the role of two-way combination. It will not use the ground foundation and self leveling mortar to form a hollow drum (that is, the “two skins” as the saying goes). The special multifunctional primer for self leveling is composed of two different lotion. Their glass transition temperature and film forming temperature are different. The film formed by the interfacial agent not only has certain strength, but also has high flexibility.

Therefore, when the temperature changes, including the temperature difference changes in four seasons after completion, Thermal expansion caused by floor heating or air conditioning will not damage the film formed by the primer. Therefore, a good primer can not only improve the adhesion firmness of PVC floor, but also reduce the Thermal expansion rate of PVC floor, which is of great significance to improve the pavement aesthetics and service life of vinyl sheet flooring.