433K views · 1.3K reactions | Pre-treatment on a concrete driveway. Some people say post treat is the way, personally I do both….  #thepressurewashcompany #satisfyingcleaning #cleantok #exteriorcleaning | The Pressure Wash Company | Facebook

💦 Chemical treatment after cleaning is a must. We always post treat after pressure washing and depending on how bad the surface area is we may pre treat the area first. Heres a couple of reasons why we use chemical treatment. 1 , the area has a lot of organic build up, algae, black spot’s etc. 2, it keeps the area cleaner for longer. Unfortunately the majority of the time pressure washing alone will not completely clean the surface area. This is why we will chemically treat the area to make sur