regardless of what I’ve tried, I continue to get (about 2-3" wide lines- the width of the nozzle spray pattern) at the perimeter of the surface cleaner, this if I’m moving forward and backwards. The same lines will appear at the top and bottom perimeter of the surface cleaner if I’m moving side to side.
It is obviously cleaning deeper at only the outter 2-3" of the perimeter - the width of the nozzle spray pattern
My travel speed has not made a difference, I do get swirl marks if I go too fast and I understand that, and have to use a slower travel speed.
Using a new round surface cleaner; 12", 24" and also the Landa cyclone.
Same result !
Pressure washer is 4000 psi, 4.0 gpm, water supply source has 8-10gpm.
Pre-treat and Post-treat. I actually found this site looking for answers to this exact problem. Haven’t had any trouble since. This site has been amazing.
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I’m trying to get a 1 year old, medium dark blue tennis court cleaned.
Note - there is a construction project going on next door, so dirt has been kicked up and dispersed across us. It has accumulated to a certain degree making this a deeper challenge.
But more than that is the challenge of the lines !
I have pre-treated with a Home Depot product for outside cleaning, did have some bleach in it.
What did you use and what was your process for “post-treat”
I know ive seen mention of just cleaning without SC.
And find good chems, itll help and be cheaper.
Anything less that a SC won’t touch it. and doing it with a wand would be way to painful,
I’d reach retirement before it was done, 6 courts to do…annually or twice a year.
For the money (the ones we have used are expensive units !!!) they should work as advertised and effectively !
It appears to me that it is simply cleaning deeper on the side edges of the perimeter of the unit.
Seems there’s just something about the concept, design that s not quite right, feedback from others may prove this to be a legitimate conclusion…
But I’m not giving up just yet…
THANKS to ALL for your feedback !
Do not use a surface cleaner on a tennis court. You will end up stripping it and paying to have it resurfaced. Does not matter how much you paid for the surface cleaner, they aren’t meant for tennis courts and painted surfaces
so then what do you suggest is the most effective method for cleaning that type of surface?
That’s just an old job. It was probably fine when he cleaned it. Just didn’t post treat.
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It was about 500’ of store front and looked pretty awful
I haven’t done them personally but another contractor in my area who does a lot of work for the college in my town cleans their tennis courts. He puts down a strong pretreat and changes the nozzles on his surface cleaner to bring the pressure down to about 1000 psi. He says he can do the 80,000 sq feet in two days.
Blow with blower, Xjet 12%, rinse with low pressure tip. Single court should take two hours
Maybe I missed it, but what material is the tennis court made out of?
The only reason I ask is a lot of courts around here are not just cement anymore, it’s a specialized rubber composite that feels hard like a normal outdoor surface, but it’s not. Any type of pressure washing can permanently affect it, gotta use a floor scrubber.
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How could someone do this and
1 Not notice
2 Walk away expecting payment
