Over 10,000 Satisfied Seal Coating Customers!

In 1985, Jeffrey Lang and Keith Critchley began seal coating driveways for customers in Chester, Delaware, and Montgomery counties. Offering a 100% guarantee of satisfaction and personalized attention, Lang’s Driveway Seal Coating service has grown every year and boasts a 99% customer satisfaction rating.

With over 20 years experience seal coating driveways for home and business owners in Chester, Delaware and Montgomery counties, you can trust Lang’s to deliver high quality, professional results that will improve your home’s curb appeal. Unlike “door-to-door” seal coating companies that spray on a thin coat of cheap sealant, our high quality, commercial grade sealant combined with 20 years of experience ensure that your driveway remains beautiful and protected for years to come.

What you can expect:

Machine cleaned prior to sealing
Driveway edged prior to sealing
Commercial grade sealant
Sealant applied by hand

Only sand mix used
Reliable quality workmanship
Fully insured
Commercial and residential

Why Seal Coat Your Driveway?

Seal Coating prevents oxidation. Asphalt pavement begins to deteriorate almost as soon as it is paved. As the pavement is exposed to oxygen, the asphalt binder (tar) hardens. This hardening results in a brittle surface that eventually cracks. Cracks in the pavement enable oxygen and rainwater to penetrate the pavement, often into the sub base, weakening it and reducing the pavement’s strength.

Seal Coating protects the surface and fills surface voids, reducing pavement’s exposure to oxygen and water and extending pavement life. It will also enhance the appearance of the pavement, reduce maintenance and brings back the dark black color of the original pavement, making it look and wear like new. Because seal coat fills surface voids, a seal coated surface is much smoother, which is easier to sweep, shovel, and wash.