Waterborne impregnating agents for conifers, of a different formulation than analogues for broadleaves, are products suitable for the preliminary treatment of wood before the application of the coating system.

They are generally tinted with stains based on iron oxides, particularly stable and resistant to solar radiation, their function is to preserve the wood from the degrading action of atmospheric agents in general, thus preventing the change in color of the wood and favoring the optimal adhesion of the coating system.

They are ready-to-use products, and can be easily applied by spray and brush. The versions for flow coating and immersion applications are also available, which are the most commonly used methods.