existing concrete preparation sewer shield
Post on 13-Apr-2017
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Joseph Nuciforo Jr.
Sewer Shield
• High pressure hydro-blast to remove deteriorated
concrete, bacteria and expose acidic line
Before Hydro Blasting After Hydro Blasting
• Sand Blasting Substrate to remove Line of Corrosive
Attack
Yellow/ Brown Concrete At Line of
Corrosive Attack
• Hydro Blast Substrate A Second Time to remove dust
and open the pores of the substrate concrete for
maximum surfacing material bond
All Yellow /Brown
material is removed to
expose clean solid
substrate
Before Sand
Blast
After Sand
Blast
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