Waterbased alkyd impregnating product for wood, supplemented with con biocides that guarantee resistance to mould and insects, for interior and exterior, highly penetrating with a finish that enhances the wood grain. Available in transparent colours obtained from micronized mineral pigments with high resistance to light which give the wooden structures treated an even colour and protection against the deterioration caused by the UV rays and atmospheric agents, elements indispensable for the duration of the applications, and useful for protecting the structure over time.