If your interlocking driveway, patio or walkway has seen better days; it's time to enlist the help of Andy's Heal & Seal in Toronto. For over 30 years, we have been bringing tired, worn out interlocking back to life - without the use of harsh chemicals! We use an eco-friendly ENDURO stone sealer to revitalize the appearance of old stones. Plus, it dries quickly, reduces weed growth and is easy to maintain. Call us for a free quote. more... See more text