Description Application: By undercoating gun or brush. Areas to be coated should be clean and dry. Any loose flakes of paint, etc. should be removed using a wire brush, etc. coat area with a thick even coat using a spray gun or brush, allow to dry Rubberseal super undercoat may be painted over after minimum of two hours in good drying conditions, leave longer if possible depending on ambient temperature. Clean up brushes and flush spray gun through with thinners or brush wash. Areas not to be coated should be protected by masking of covering.