It is quite natural that issues would crop up even in the building that is constructed with the use of the best material. So, do not blame the builder who has constructed the building, just contact the service experts who know everything about the composite pipe repair material and how to mix it, fix it so as to solve the problem with the walls or the area where the problem is noticed by you.
Every detail about this material would be made available online which you could read through and then suggest your service engineer to use it for fixing all sorts of piping issues.
