A blocked toilet is a regular occurrence in all kinds of properties. How to unblock a toilet is a very inconvenient and unpleasant thing to worry about for both the commercial premises as well as homeowners. Fixing a blocked toilet is absolutely unavoidable as they cause bad smells and also the pan overflows sometimes if flushing is attempted. It becomes very urgent to solve the problem of a blocked toilet. Blocked urinal toilets:A blocked urinal toilet particularly in a commercial environment is one of the most unpleasant blockage types. The reduced flow of water through the pipe work is because of a build-up of urinal scale blocking the pipe completely over time. This will prevent the urinal from flushing automatically and will cause water as well as urine to overflow while flooding the toilet area. Knowing how to unblock a toilet always requires urgent attention and special tools and equipments. Often this sort of blockage is cleared through the combination of a mini jet and an electro mechanical kit.To prevent the backflow, it is very important to avoid the contamination of the water for obvious reasons. Dirty and contaminated water that gets back into the system can cause severe health risks. Why does the problem of backflow occur?Backflow occurs when water that is contaminated is drawn back into the plumbing system. The main reason why backflow occurs is the back pressure where water can be caused to flow in the opposite direction. Usually this sort of situation happens in an unvented heating system where the pressure raises because of the expansion of water when it heats up. Another big reason of backflow is back siphonage. It can occur when the pressure in the supply happens to be lower than the pressure in the plumbing system or external source.How to unblock a blocked toilet Bromley is not always as simple as it seems, rather it requires more expert consultation.