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    How to clean this

    We have been asked to bid on the sidewalks and building at this site. The sidewalks are not problem but the building appears to be drivit (see picture) and there is a green mold looking stain on the side. I do not want to pressure wash the drivit but thought I could spray highly diluted bleach...
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    First job - how to get better

    We did our first commercial job this past week. It consisted of a big box retailer's storefront concrete sidewalks. There were on average about 10 pieces of gum per 4 foot by 4 foot section and had probably not been done in three years or so. We used our wand , hot water and a 15 degree tip...
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    Best practices for washing a c-store (gas station)

    We have been asked to bid a few c-stores. We are new to pressure washing and are looking for the best practices for washing the concrete and asphalt. We have just purchased a new hot water rig (3500 PSI and 4.8 GPM) Could one of you pros let us know what is the best method (e.g. surface cleaner...
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