This is a great example of what your concrete surface can look like when done correctly. We were so honored when we received the call from Military Makeover with Montel Williams. They gave us the opportunity to donate our services to help out this amazing family in need. With that said concrete pressure washing helps to remove accumulated dirt, mold, mildew, algae and other unwanted substances from concrete surfaces and this helps to restore and protect these surfaces. ... Concrete pressure washing is the best and most effective way of cleaning your concrete.