Universal wood primer is a wood undercoat for all interior and exterior woods. It prepares the application of woodstains, oils, paints and sealers on all types of surfaces. This revolutionary product in aqueous phase replaces all cellulosic or derived and aqueous phase undercoats: Hard cellulose undercoat & classic parquet derivatives Tannic wood underlay Exotic wood underlay Pore filler Wood primer Possible uses : Indoors: parquet, furniture, woodwork, beams... Outside: shutters, gates, fences, cladding, terrace...