Providing the highest quality service for over 20 years to Chester County, Delaware County, and Montgomery County.
Why Seal Coat Your Driveway?


What to expect from Lang’s Seal Coating
- Machine cleaned pavement prior to sealing
- Each driveway edged prior to sealing
- Only commercial grade sealer used to give you a black matte finish
- Totally brush applied by hand
- Only sand mix used
- Reliable quality workmanship
- Fully insured
- Commercial and residential
- 20+ years of professional experience sealing over 10,000 driveways in southeast Pennsylvania
Our Customers Love Us!
Lang's Seal Coating
In 1985, Jeffrey Lang and Keith Critchley began seal coating driveways for customers in Chester county, Delaware county, and Montgomery county. Offering a 100% guarantee of satisfaction, and with personalized attention at the top of their priorities, Lang’s Driveway Seal Coating service has grown every year and boasts a 99% customer satisfaction rating.
Don’t trust the guys travel from neighborhood to neighborhood, spraying on a thin coat of sealant, but claiming significant savings. Our commercial grade sealer provides years of beauty and quality that you won’t get from cheap spray on alternatives. Call us today at (610) 647-6001 for your free estimate.