1. WALTER SCARBOROUGH CSI CCS CCCA SCIP AIA wscarborough@hbig.us 214.491.7385 D+D Specifiers Series Sponsored by Polished Concrete

2. What is Polished Concrete

3. Polished concrete… …is not terrazzo

4. Result of processing a concrete floor surface with bonded abrasives until the desired class of aggregate exposure and the desired level of glossy finish are achieved Bonded Abrasive Polished Concrete Defined

5. Permanence Low maintenance Reflective surface reduces need for lighting Dusting and particulate debris elimination Benefits

6. Abrasion resistance Stain resistance Slip resistance Cost-effective lifecycle Benefits

7. Art and Science of Polishing Concrete

8. Skill of polishing contractor to “read” concrete and “listen” to equipment Experienced to deliver finish that meets desired design intent Art

9. Specifications Concrete quality Polishing equipment Chemicals Quality of surface finish Science

10. Polishing Process

11. Multi-step sequence of grinding, honing, and polishing a concrete floor slab with weighted grinding and polishing machines with rotating abrasives using various grits Polishing process

12. Various stages of grinding, honing, and polishing

13. Initial Grinding

14. Coarse abrasives used to establish aggregate exposure class Initial Grinding