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Thread: Power washing concrete pavers

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    mitch08's Avatar
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    Power washing concrete pavers

    Is it recommended to power wash concrete pavers?

    I don't want to blow out all the sand or take the color out of them with the blast...

    Has anyone done this with decent results. These **** things stain pretty easilly in the winter and I want to get them cleaned up and ready for summer.

    edit: One more question about sealing pavers... Mine are about 3 years old and I am starting to see the colors dull out a bit. They are Cambridge Toffee Onyx with some BS thing that keeps the color forever. But I think that is a scam

    Should I seal them after cleaning? I dont want them to look wet, but I wouldnt mind them with a color that pops out a bit more.

    Thanks!!!
    18x38 Inground Liner (25k gal) Paver surround, multi-speed pump, DE Filter, Raised spill over spa, TF-100

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    Re: Power washing concrete pavers

    I've pressure washed mine with good results. The trick is to use the concrete/driveway soap first and let it soak in, then go back and blast them. Dirt and grime should come right off.
    Clearwater, Florida

    12,000 gallon kidney shaped gunite pool
    Pentair Whisperflo 3/4HP Pump
    Pentair CCP420 420sq/ft Cartridge Filter
    Pentair Intellibrite 5G 120V Pool Light

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    mitch08's Avatar
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    Re: Power washing concrete pavers

    Quote Originally Posted by denisbaldwin
    I've pressure washed mine with good results. The trick is to use the concrete/driveway soap first and let it soak in, then go back and blast them. Dirt and grime should come right off.
    Cool thanks. What about sealing them? Do you do that?
    18x38 Inground Liner (25k gal) Paver surround, multi-speed pump, DE Filter, Raised spill over spa, TF-100

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    Re: Power washing concrete pavers

    I've never had to. I have a series of pavers at my current place, some concrete and some flagstone, and I've never had to seal them. They just get pressured washed once a month and they seem to stay looking new.
    Clearwater, Florida

    12,000 gallon kidney shaped gunite pool
    Pentair Whisperflo 3/4HP Pump
    Pentair CCP420 420sq/ft Cartridge Filter
    Pentair Intellibrite 5G 120V Pool Light

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    mitch08's Avatar
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    Re: Power washing concrete pavers

    Ok... Last stupid question, I promise

    After pressure washing them, do you need to add more sand? Does pressure washing them knock the sand out from between them?
    18x38 Inground Liner (25k gal) Paver surround, multi-speed pump, DE Filter, Raised spill over spa, TF-100

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    Re: Power washing concrete pavers

    I'm not sure on the sand part. Mine have that concrete/mortar/sand slag that holds them together. After I wash them, it looks almost like grout until they get dirty again.
    Clearwater, Florida

    12,000 gallon kidney shaped gunite pool
    Pentair Whisperflo 3/4HP Pump
    Pentair CCP420 420sq/ft Cartridge Filter
    Pentair Intellibrite 5G 120V Pool Light

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    Re: Power washing concrete pavers

    Quote Originally Posted by denisbaldwin
    Mine have that concrete/mortar/sand slag that holds them together. .
    Hopefully it;s not mortar/concrete

    It's most likely polymeric sand. It's sand with a polymer in it that hardens up when activated with water. It gets pretty hard and wont come out like regular sand will. Depending on how hard you power wash the pavers, you may or may not need to add sand back at some point. Even w/o power washing, you may ned to add some every couple of years.
    You can seal the pavers with anything advertised to seal concrete pavers. Its all mostly pretty good stuff. Most of the pavers up in the northeast are Unilock. They sell a sealer that is pretty good. You can get it that when applied wont change the look of the paver, or you can get a gloss sealer that will give thme a wet look. My pavers arent sealed nor do you really need to. But once a month seems excessive.
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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