How Oil Stains Affect Concrete Driveways: What Really Happens
Oil stains affect concrete driveways mainly by penetrating porous surface paste, darkening the slab, attracting abrasive dirt, and interfering with coatings. A small, promptly absorbed motor-oil spill is usually a cosmetic problem, not a structural failure. Repeated leaks, brake-fluid exposure, existing cracks, poor drainage, and neglected contamination can create more serious surface or soil problems. […]