With its exceptionally early permanent water resistance, its high resilience and its wide range of applications, Nafufill GTS-HS rapid – the new concrete replacement from MC-Bauchemie – offers a reliable solution for the repair of concrete structures exposed to fresh, salt and waste water. MC-Bauchemie/iStock.com/CreativeNature_nl 2026
With its exceptionally early permanent water resistance, its high resilience and its wide range of applications, Nafufill GTS-HS rapid – the new concrete replacement from MC-Bauchemie – offers a reliable solution for the repair of concrete structures exposed to fresh, salt and waste water.
© MC-Bauchemie/iStock.com/CreativeNature_nl 2026
The polymer-modified, low-shrinkage concrete replacement from MC-Bauchemie is chloride-proof, highly sulphate-resistant, resistant to temperature, frost and de-icing salts and can be applied by dry spraying at air, material and substrate temperatures of 5 to 35 °C.
Exceptionally early permanent water resistance and impressive stress resilience
Nafufill GTS HS rapid fulfils the requirements for mortar class R4 laid down in EN 1504 Part 3 and is thus also approved for strengthening structurally relevant areas in concrete structures. The new concrete replacement material cures extremely quickly and can be permanently exposed to water after one hour. It achieves flexural and compressive strength values of 2.9 & 10 N/mm² respectively after 24 hours, 5.9 & 31 N/mm² after 7 days and 10.9 & 62 N/mm²* after 28 days.
With new Nafufill GTS HS rapid, fractured areas between the low and high water marks can be repaired with layer thicknesses of up to 120 mm. The concrete replacement can also be applied as a wide-area coating. The minimum layer thickness is 10 to 30 mm per pass, up to a maximum total layer thickness of 60 mm.
Wide range of applications for all kinds of hydraulic structures
With these properties, Nafufill GTS HS rapid is not only a reliable and sustainable solution for the repair of tidal, reinforced and unreinforced hydraulic structures such as port infrastructure, embankment walls, quay facilities, locks and sluice structures, but also for the repair of sewerage structures, open sewers, emergency basins etc.
* Values indicated relate to an air temperature of 23 °C and a relative humidity of 50 %.
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