Get the nitty-gritty on salt spreaders – NewsEverything Scotland

0 Daily Record Road Record

GRITTERS have been arduous at work in latest days throughout Scotland – serving to drivers who nonetheless have to journey through the newest Covid restrictions.

And the vans’ important efforts has prompted a myth-busting mission by main snow and ice clearing specialists The Gritting Firm.

First up, it factors out that the winter wagons don’t comprise grit however brown rock salt. That’s as a result of grit can depart a sticky residue, with the danger of a slippery highway floor, and block drains because it washes away.

Secondly, and opposite to widespread perception, salt doesn’t soften ice at any temperature. As an alternative, it really works by decreasing the temperature at which water will freeze, stopping ice forming on the roads.

The extra concentrated the salt, the decrease the freezing level. However salt is much less efficient beneath minus 5C, and ice and snow handled with salt melts much less rapidly at decrease temperatures.

The salt doesn’t work instantly, both, because the de-icing impact depends on it being crushed and unfold by passing autos’ tyres. So if site visitors is gentle, the salted ice on the highway will take longer to soften.

One other fable is that salt will rapidly soften heavy snowfall on roads. The truth is, it really works greatest on busy routes the place the white stuff is lower than 4 centimetres deep.

Lastly, the agency factors out that it’s by no means too chilly for snow within the UK, no matter you might assume. The temperature must plummet beneath minus 40C for that to be the case.

Go to to search out out extra about The Gritting Firm and its work.

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