Keas Concrete Coatings Share: Concrete - Coating Keas Concrete Coatings Visit Website 9797 E Easter Ave. Unit A Centennial, CO 80112 (303) 817-1514 Keas Concrete Coatings Website Facebook Hours: Monday through Friday 8 am to 5 pm About Map About We coat concrete with Penntek high quality products. Our Polyurea base coat provides the highest adhesion to concrete. Directions Near I-25 and Arapahoe Rd., South East less than 5 min. What's Nearby? Distance: 5 10 15 20 25 50 mi.