The most correct staining of wooden windows, that which ensures the durability of all products, occurs at once in four stages.
1. Impregnation. Used for demented wood and for all breeds with an average degree of stability. These include all coniferous wood of wood. This method allows you to clean the surface of the wood well and then provide protection against mold. It is at this stage that it is necessary to withstand all the necessary drying time of the product. Impregnant himself is completely free.