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NEWS REPAIR GUIDE
Sika's go-to spalling repair solution North Grange in Mowbray, is one of UCT’s three tier residence options that accommodates 49 students in two- and three-bedroomed flats. Refurbishment was required on the outside of North Grange as in some areas the reinforcing was corroding, causing the concrete to crack and push away, thus exposing the steel.
M
ost of the deterioration on the residence had occurred on the balconies of the weather-facing side of
the building, requiring a spalling repair system to refurbish and patch up these affected areas. Paintsmiths Cape Town were asked to specify the products required for the refurbishment. Sticking with its previously unfailing ‘go-to’ spalling repair solution, it selected Sika MonoTop-412 NFG and Sika Armatec-110 EpoCem. Based on new innovative technology, Sika MonoTop-412 NFG differentiates itself as a 1-component, polymer modified, fibre reinforced, structural repair mortar, with Sika’s
Gavin from Paintsmiths, some from Elite
world-renowned Sika FerroGard corrosion
along with their contractor staff appointed to
inhibitor. Sika MonoTop-412 NFG is a 3-in-1
undertake the repair.
advanced repair mortar resulted in further
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To ensure the repair was done correctly, the
time and money savings. Sika Armatec-110
reinforcing steel had to be adequately exposed
EpoCem is a corrosion inhibitor, used as a
and cleaned to SA 2.5. Then a coating of the Sika
bonding primer and reinforcement
Armatec-110 EpoCem was applied, to provide
corrosion protection.
a protective coating against further corrosion,
Sika representative, Phillip Boshoff, was
and where necessary, to act as a bonding
approached by Gavin Horfley from Paintsmiths
primer to the concrete substrate. This prior
Cape Town (Midas), to assist with on-site
to the application of the patch repair mortar,
training on the concrete repair job. Present
Sika MonoTop-412 NFG. Once the repair mortar
at the Sika MonoTop-412 NFG and Sika
had fully cured, the areas were painted with an
Armatec-110 EpoCem on-site training were
exterior decorative paint.
// ONCE THE REPAIR MORTAR HAD FULLY CURED, THE AREAS WERE PAINTED WITH AN EXTERIOR DECORATIVE PAINT //
www.eureka.co.za To ensure the repair was done correctly, the reinforcing steel had to be adequately exposed and cleaned to SA 2.5. SEPTEMBER 2021 DIY & INDUSTRIAL TRADE NEWS