Premium quality acrylic white roofing sealant brought to you by Henry is specially formulated for repairing and preventing roof leaks prior to coating with an acrylic reflective coating. Apply to dry or damp surface. Used on standard mineral surface cap sheet, smooth surface built-up roofing, SBS modified roofing, previously coated asphalt roofs, weathered metal roofs, or concrete and stucco parapet walls. Easy clean up with water.