I've not been on for ages, so, HI! 
I've moved house, and now my garage isn't part of the house, and is just an old steel box with asbestos roof with lots of gaps. I've sealed all the holes in the roof, but it still seems to get quite damp inside when it rains, so I'm wondering, would it be a good/safe idea to spray the welder with acf 50, inside and out (even all the electricky bits), to give it a chance of survival over winter? Or, as I don't use it much at the moment, bring it in the house and hide it somewhere? Heating the garage isn't an option unfortunately, as that would cost far too much to be sensible.

I've moved house, and now my garage isn't part of the house, and is just an old steel box with asbestos roof with lots of gaps. I've sealed all the holes in the roof, but it still seems to get quite damp inside when it rains, so I'm wondering, would it be a good/safe idea to spray the welder with acf 50, inside and out (even all the electricky bits), to give it a chance of survival over winter? Or, as I don't use it much at the moment, bring it in the house and hide it somewhere? Heating the garage isn't an option unfortunately, as that would cost far too much to be sensible.