Glass CoatingInstruction Manual To Coat Glass or Mirrors Clean the surface as you normally would, taking care to removeresidues. 1 Dry surface with a cloth or paper towel. 2 Shake sanipel Glass Coating well before use. 3 Spray sanipel Glass Coating directly onto surface, or spray onto cloth first then wipe onto surface.Avoid spraying on floor as coating will cause a slippery surface. 4 Wipe with a cloth to spread evenly. 5 Reapply Monthly.