A pedestrian ramp was too slippery. The surface had multiple layers of stain, the layers began to peel and the surface had to have a non slip application.
Option 1: Chemically stripping the area would have taken a very long time due to the numerous layers of stain. The borders of the area were pavers and there was a chance the pavers would have been etched or discolored with the aggressive chemicals being used.
Option 2: Sand blasting the area would have made a mess, and create a lot of noise. Sand blasting by itself is very loud, and this area was in between two buildings, so the reverberation would have been tremendous and disturbing to the residents.
Option 3: Grinding the surface by typical grinding equipment would have actually created a smoother surface. Although non slip could be added, we wanted more of a profile for the traffic coating to adhere to.

ramp after non slip treatment 2
For additional information go to National Sealing
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