This is a sample cleaning performed in Kaanapali, Maui, Hawaii. The red dirt on the patio was baked on and required special cleaning processes to remove the staining. The owner had attempted to pressure wash with high pressure as you can see in the grout lines in the sample cleaning area. It minimally reduced the discoloration and so we did a profession deep cleaning.
This would be a great candidate for stain proofing the stone with a permanent sealer. Stain proofing would make future cleanings much easier and prevent the deep staining that occurred here. I'll be blogging some of the stain proofing information here soon.
