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Working When It's -4

Just draining my tank and it's still Luke warm from about 9 this morning, there was already approx 100 litres of cold water in the tank when I started putting in the hot water and only filled it up 2/3 (350tank)...

 
You know when it cold when water turns to snow /emoticons/biggrin.png




Now I want to make a snow maker

 
same ere squeaks i had big garden job on this morning cant even turn over soil rock solid of out carding for a few hours.

 
good stuff mate something good can sometimes come out of bad eh,could get some new jobs yer never know
if it doesn't work, I'm going run around naked with one of the flyers covering my bit... not doubt it will get some attention. /emoticons/ohmy.png

 
Was bored so just tested some pure on one of my consevatory windows. Water on the glass turned to ice within a min & water on the paving slabs turned to ice too - mind you it is about -4 here /emoticons/biggrin.png

 
Found out an interesting fact if anyone is interested that putting rock salt down in the real world stops working at -9 as it freezes too. Go figure /emoticons/biggrin.png

 
Avoid water freezing while you work

Often the biggest problem for window cleaners when temperatures drop below zero is the fact that water can often freeze on the glass or even in the pipes of the wfp system.

If a building is well heated on the inside then in most cases water is unlikely to freeze on the window. Avoid cleaning the windows of places which are unlikely to be well heated internally.

Various hot water systems are available on the market for window cleaners. Using a hot water system in the winter is obviously advantageous in that it stops the water from freezing in the system while you work.

When using water fed pole systems the water is left to dry on the window so there is more chance of the water freezing. In some cases it may be best to use traditional methods so that windows are left dry. You don’t want to have a lot of soap residue left on the window the next time you clean using pure water so don’t use too much soap and choose a product which leaves little residue such as Glass Gleam or Ecoverbiological washing up liquid.

If using traditional methods then you can use additives in the water to lower the freezing point of the water. Try mixing the water with screen wash (windshield washer fluid). Anti-freeze, or methylated spirits, may be added to a mixture to give the product a lower freezing temperature. But bear in mind that methanol vapor is harmful when breathed in, so more popular now is an ethanol (or isopropanol) and ethylene glycol. Take care too if you smoke as these liquids are often highly flammable.

Some use vinegar in the water but actually the kind of vinegar you typically find in the supermarket has a freezing point of -2° C so it is unlikely to have much effect on the freezing point of your solution.

credits: windowcleaningresources.co.uk

 
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