Root causes of green deposits and foliage effects on concrete block pavements
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
Figure: MPVA Neuwied
The number of customer complaints in consequence of discolorations of concrete block pavements has increased considerably, first of all, because of the ever increasing importance of the visual appearance. This paper is focusing on discolorations, which are due to the formation of green deposits, as well as the discoloration of paving products caused by organic components such as foliage.
In consequence of the increasing importance of the visual effect of concrete block pavements in outdoor applications, the number of customer complaints is growing significantly on the topics of „efflorescence“, „discolorations“, „edge damages“ or also the „soiling characteristics“ or the „cleanability“ of paving products. In parallel, the market share of surface-finished and/or mass-hydrophobized products is increasing. Especially, in case of finished products, the final customers assume, as a rule, that these products ensure an almost complete cleanability and that there are hardly any...
