agent in an amount of up to 0 6 by weight based on the dry weight of the pigment present in the first layer the sizing agent is selected from alkene ketene dimers alkenyl succinic anhydrides and anionic polyurethane sizes application_number US 95791297 A description in the method of the present invention the substrate may comprise a single cellulosic sheet or multiple cellulosic sheets or a cellulosic sheet deposited on a non cellulosic material in a board laminate or like structure the said cellulosic sheet being coated may have already received one or more coating layers eg pigment containing compositions prior to deposition thereon of the first layer thus the said first layer may be layer adjacent to the said cellulosic sheet or a layer intermediate an underlying layer adjacent to the said cellulosic sheet and an outer layer the said second layer in the method according to the present invention the first layer including the sizing reagent is preferably dried to leave the water content of the first layer less than 10 by weight preferably between 4 and 7 by weight before the said second layer is applied in the method according to the present invention the second layer and any further coating layers deposited thereon need not contain any sizing agent in the method according to the present invention the sizing agent may comprise an alkene.