Latex paint has acrylic characters on the wall. Do I need to add basement membrane?

It is necessary to brush the basement membrane. The function of basement membrane is to solidify and protect the surface of putty, and it can also strengthen the waterproof and mildew-proof function of the wall bottom, but it can not be painted until the putty is completely dry.

Latex paint is a kind of water-borne paint based on synthetic resin emulsion, with pigments, fillers and various additives added, also known as synthetic resin latex paint, which is an organic paint. All coatings with water as solvent or dispersion medium can be called waterborne coatings, including water-soluble coatings, water-dilutable coatings and water-dispersible coatings (latex coatings). According to the different raw materials, latex paint mainly includes polyvinyl acetate latex paint, ethylene-propylene latex paint, pure acrylic latex paint and other varieties. According to the different application environment of products, it can be divided into two types: interior wall latex paint and exterior wall latex paint, and according to the gloss effect of decoration, it can be divided into matte, matte, semi-gloss, mercerized and glossy types.

Latex paint is widely used in environmental protection coatings for buildings because of its advantages of fast film formation, short construction period, low construction cost, excellent air permeability, environmental protection, no odor and washing resistance.