The problem: Corrosion of concrete.
Concrete is attacked by Acids and Alkaline.
Hydrogen sulphide attack in sewer pipes and structures is a major problem, but also the presence of sulphates and chlorides in soils creates aggressive saline conditions that pose a threat to concrete foundations for all sorts of building works.
The solution: Protection of concrete using T-Grip™ linings.
T-Grip™ Plastic sheet is a T-ribbed membranes that is flat on one side, whilst the reverse side contains parallel T-Shaped ribs. These ribs are cast into concrete at the new construction stage, thus isolating the concrete from the harmful effects of corrosive chemicals.
The T-Grip™ sheets are available in 3 grades
- Linear Low Density Polyethylene
- Medium Density Polyethylene
- High Density Polyethylene.
These materials are successors of the traditional PVC Lining that has served us so well for over 50 years.
The evolution of the T- Grip™ Linings represents a major breakthrough in physical properties, with elongation at break point being to the order of
- > 200% for flexible PVC T-Grip™ and
- > 600% for polyethylene.
T-Grip™ lining will therefore not crack when placed under stress, like coatings and they will endure for over 100 years in the toughest of service.
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Abrasion resistance.
In comparison to concrete, T-Grip™ has superior frictional resistance and abrasion resistance and possesses excellent tear strength.
The T-Grip™ liners are smooth. Concrete pipes that are lined with the material therefore have superior hydraulic characteristics to plain pipes and many other materials. This advantage can be translated into savings for the consumer by utilizing smaller diameters of pipes.
Download and read our whitepaper about concrete protection with T-Grip™.