The Use Of Idrostop Is Simple And Fast. To Apply The Product, Follow These Steps: Spray The Product On The Surface To Be Treated From A Distance Of About 20 Cm, With A Wide And Uniform Motion. Aoid Excessiely Saturating The Fabric With The Product. It Is Sufficient To Apply A Light eil, Spraying First In A Horizontal Direction And Then In A ertical Direction. In Case Of Particularly Heay Situations, A Second Application Can Be Made After The Product Has Completely Dried, Usually After About 12 Hours. If There Is White Residue On The Fabric After Drying Due To Excess Product, Remoe It With A Light Brushing. Each Can Of Idrostop Is Sufficient To Treat At Least 6 Square Meters Of Fabric.