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Tom-01

  • Posts: 1348
Best way to clean this?
« on: November 02, 2016, 11:17:48 am »


Hi chaps

I'm not exactly sure what the orange stuff on this roof is.. any ideas? Would AlgoClear do the trick?

Thanks
Tom

Smudger

  • Posts: 13433
Re: Best way to clean this?
« Reply #1 on: November 02, 2016, 02:41:10 pm »
algoclear would do it but takes a little time  to work
or Hypo for instant results

Darran
Never argue with an idiot, they will only bring you down to their level, and beat you with experience

Smurf

  • Posts: 8538
Re: Best way to clean this?
« Reply #2 on: November 02, 2016, 04:04:42 pm »
Looks to me going by the pic the orange/yellowish staining on the tiles is lichen growth.
It goes without saying the rest of the house need a good clean too...YEHAA!  lol

chris scott

  • Posts: 3414
Re: Best way to clean this?
« Reply #3 on: November 02, 2016, 04:51:46 pm »
Is it Spanish slate?
www.cleaning-service.uk.com
www.render-cleaning.co
https://www.cleaning-service.uk.com/bromoco-systems/
Exterior cleaning specialists covering Merseyside,Lancashire and Cheshire. TEL 08000 933267

Tom-01

  • Posts: 1348
Re: Best way to clean this?
« Reply #4 on: November 02, 2016, 08:54:41 pm »
Thanks guys, much appreciated.

It's a big block of flats. We're cleaning the gutters, fascias etc and been asked to clean that bit of the roof, it's just a section on the back and on one side. I will go AlgoClear I think and brush it in, will also quote for the whole roof.

Thanks guys.