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Large Diameter Line Coating
This process effectively seals old concrete or brick sewers to extend the service life of the existing pipe. Large-diameter sewers are rehabilitated by spraying a cementitious coating to the interior surface of the pipe. The end result is a structurally sound pipeline that is resistant to hydrogen sulfide damage.
ThoRoc SP15 Spray Mortar:
- one component, microsilica-enhanced, high-build mortar
- chemical resistant in low pH environments
- develops high early strengths
- fiber reinforced
- can be hand or spray applied
SewperCoat by Lafarge:
- 50-year life cycle
- Calcium Aluminate-based product
- pH protection down to 2.0
- reinforced high strength
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