Discussion
If the oil has permeated the block, it'll be a right bugger to get out.
With partial success, and in an environmentally unfriendy manner, I managed to draw much of my sump contents out of the driveway with a good soaking in petrol. I then scrubbed it down with a strong dilution of dish wash detergent. Factor in some time with the effects of rain, sunlight etc and it'll fade. Try some of those patio cleaners; they have a mild caustic ingredient which also works to some degree.
With partial success, and in an environmentally unfriendy manner, I managed to draw much of my sump contents out of the driveway with a good soaking in petrol. I then scrubbed it down with a strong dilution of dish wash detergent. Factor in some time with the effects of rain, sunlight etc and it'll fade. Try some of those patio cleaners; they have a mild caustic ingredient which also works to some degree.
www.lakelandconcrete.co.uk/faqs.htm
Go carefully with some cleaners...they might adversely affect the colouring of the blocks.
>> Edited by chim666 on Tuesday 6th September 15:15
Go carefully with some cleaners...they might adversely affect the colouring of the blocks.
>> Edited by chim666 on Tuesday 6th September 15:15
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