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New fine mortar for wastewater applications
New fine mortar for wastewater applications
Sewer & manhole renovation with mineral-based mortar ombran MHP fine
26 Nov 2025
MC-Bauchemie has expanded its ombran MHP product family to include a new fine-grained variant named ombran MHP fine. The mortar impresses with its optimised processing properties and a wide range of applications in the wastewater sector.
ombran MHP fine is based on ombran MHP, a special mortar that has proven itself in practice for many years, is highly chemically resistant and has been approved by the German building authorities (DIBt). The new sewage mortar also uses MC's patented DySC® binder technology, which creates a particularly dense and therefore chemically highly resistant mortar matrix. Compared to classic ombran MHP mortars, however, the product has a finer grading curve of the aggregates with a maximum grain size of only approx. 1 mm. This provides specialist contractors who prefer a finer material with a coating and reprofiling mortar that can be applied in thinner layers and is easier to smooth.
Wide range of applications in sewer and shaft renovation of the new fine mortar
ombran MHP fine is used in the same areas of application in sewage structures as classic ombran MHP mortars. The product is suitable for use as a surface coating, for reprofiling breakouts and defects, and also for levelling surfaces in masonry shafts. ombran MHP fine can also be used for filling joints betweenmasonry or tiles and for creating coving.
Fine sewage mortar impresses with optimised processing properties
The adapted grading curve of ombran MHP fine ensures particularly user-friendly application. A separate bonding agent is not required; ombran MHP fine in slurry consistency can be used instead. It is also possible to apply the fine sewage mortar in a thick layer. This combines reprofiling and coating in a single step, which also reduces product complexity on the construction site. In addition, the mixing time has been optimised and takes only two to three minutes, depending on the desired processing consistency.
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