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Sika lays the foundation for Simba


When a repair mortar of exceptional quality was required at the Simba Chips premises in Isando, Johannesburg recently, concrete repair specialists, Spec-Con Engineering immediately specified a Sika manufactured, epoxy mortar for the project. Simba first launched its famous chips in 1957, and forms part of the American multinational food, snack and beverage corporation, PepsiCo Inc. who paid for this project. The site was at Simba’s busy despatch area where newly cast concrete slabs urgently needed repairing and reprofiling prior to being traversed by heavy vehicles.

Sikadur-43 ZA being laid at Simba’s busy dispatch area

The specified product, Sikadur-43 ZA, is a solvent-free, three-component, repair and filling mortar based on a combination of epoxy resins and selected high strength aggregates. It is one of a number of structural strengthening Sika products that provide rigid bonding. Used either as a bedding, or underfilling mortar, or for repairs to horizontal concrete surfaces, Sikadur-43 ZA is suitable for both dry and damp concrete surfaces and provides shrinkage-free hardening. It was however, the product’s rapid hardening capability as well as its hardwearing resistance to abrasion and impact that led to its specification. After mixing, Sikadur-43 ZA forms a trowelable mortar with excellent adhesion to cementitious substrates.

Once preparation of the slabs was complete, large panels of Sikadur-43 ZA were cast, with thicknesses ranging from 5mm up to 15mm for certain areas. To minimise the impact on company operations, the contractor, Spec-Con Engineering, was subjected to a limited time schedule, working only between peak hours. However, due to the exceptionally short waiting times of Sikadur-43 ZA – approximately four hours for initial curing and only seven days for full curing, the project was completed timeously and within budget.

Sika South Africa

9 Hocking Place Westmead
Durban
KwaZulu-Natal
South Africa
3608

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