What temperature is to cold

I don't wash when it gets below 35 or 36 degrees since I mainly do flatwork. It's not worth having some place ice up on me and have a liability issue.

Keep in mind though it might get below 35 degrees where I live about 7 nights out of the whole year.

You really can't beat Southern California weather.
 
If it's night work and the forecast low is below 33 f or 28 and sunny during the day we won't go. So realistically we stay home from December to the end of January.

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When we started this morning it was 18.
This was the coldest I've washed in and I probably won't do it again unless I don't have a choice. Just too much trouble.

We did wash apartments in 24-30 degree weather early this year without much trouble. Kind of chilly though.

Edit: can't spell.
 
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I have done out of town jobs that were at 15 degrees. That was fleet washing, and they had to have their trucks done. In town, particularly with flat work, if the water starts freezing on the concrete, it is time to stop. I don't need to have 4000 bus stops frozen over.
 
I have washed concrete and steel municipal water tanks when it got as cold as 27 degrees and started to snow but the wash water did not freeze on the ground fortunately.

As long as the water is moving, it usually will not freeze.

Concerns are mostly if the water is starting to freeze on the surface (concrete sidewalks, driveways, truck doors, windshields, locks, etc....) where there will be an operating hazard or slip hazard for people. A lot of times the water will not freeze too soon unless it is very windy or way below 30 degrees or both because of the temperature of the water coming out of the pump, water tanks, from the source, etc....

Sometimes you just have to try and see what happens so you know for future reference for your area.

Good luck and be careful.
 
We did bleachers for a college earlier this year at 32 , trucks usally no lower then 33
 
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