What should I use to remove graffiti?
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Removing graffiti is an on-going problem in most cities and metropolitan areas. There is
no alternative to cleaning up graffiti than a pressure washer and these superior cleaning
machines can aid volunteer groups, councils and private companies to effectively and
efficiently remove these blots on the landscape. Here are some useful tips for removing
graffiti with pressure washers:
Firstly, consider the pressure rating. Using the force of the water alone without additional
graffiti removal chemicals helps to reduce the chance of damaging the surface. It is
recommended that a low PSI is used, particularly on masonry and brick, as higher PSI
actually embeds the graffiti deeper into the surface, causing permanent staining.
Using hot water is by far the most effective temperature for removing graffiti. This is
especially noticeable on metal surfaces, as the hot water helps expand the metal, which
then breaks the bond of the graffiti source. Pressure washers with attached nozzles are
also particularly important. Fan-type nozzles are generally more suitable for graffiti
For more stubborn stains, pressure washing equipment can be used in conjunction with
chemical solutions for an even deeper clean. Users are urged to clean a small test area
from the surface to be cleaned first to determine what technique of pressure washing will
supply the best results. You don’t want to use too much pressure and damage the
underlying surfaces, but at the same time, not enough pressure will result in an