The Hidden Cost of a Dirty Exterior Dirt, algae, grease, and other atmospheric residues are not only visually unappealing; they can also severely damage surfaces. Concrete, brick, stucco, and siding encapsulate pollutants over time, resulting in premature wear that is much more expensive to fix than to prevent. One of the best, cost-effective things property owners can do is set up regular commercial pressure washing services. Exterior dirt can build up very fast on any surfa
