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another update: another cleaner has just quoted £180 to do them from the end of his ladder.

Update: after contacting around 10+ window cleaners in my area around 4 wanted to use biocide or herbicide the rest either didn’t get back to me or need to get a roof ladder or other means to clean them from the ridge. The guy who quoted £160 said if he would probably need to clean them from...

one company did have a go with a pole and brush fed off my garden hose and this was back in June after the rain, as he thought it would be softened up, it didnt come off. ive had a go today just brushing it from a ladder with a wet brush and it starts coming off. the grey patches in the corners...

one guy who quoted some time ago and i havent been able to get round since as hes been doing roof tile cleans quoted £160 for a hot clean and clean the front and back gutters. i think he was about £132 just for the solar panels.

so i just need to find a cleaner that uses pure water and is able to heat it.

@Apw1210 bit confused by the last comment? im trying to get a profesional person to clean them as i dont want to fall off the roof doing them myself. the problem is they all seem to want to do this work from the ground which with the amount of dirt and lichen on them isnt going to work unless...

ive got a few local cleaners now interested in cleaning them. one says: No you are not meant to use rotary brushes we use a soap and herbicide mix to clean then clear water to rinse. two says: Hi its not my primary role but we do alot of panel work when the pigeons start living under them and...

the installers still in business and there guarantee is 10 years so would claim on them i guess.

also just checked the installer warranty: All Solar PV installations are subject to a full 10 year installers warranty from the date of commissioning. so if they are leaking im guessing they will need to replace them. i do wonder if those marks are just smoke from my neighbors log burner? as...

im a homeowner and had the system put in in 2014. they are managing 3kw on a clear day but previously used to get a solid 3.6kw, as there is actually 4kw of panels up there. the warranty on the panels is 25 year linear performance warranty and 10 year product warranty. so someone needs to step up.

the array is about 7 years old. these are Solarworld panels that were made in Germany and supposed to be the muts nuts. ive emailed the company who installed them and said its thought this is water ingress. the problem is the company Solarworld Germany have gone bust. but i would assume the...

heres a pic of the panels. apart from the lichen whats causing the milky grey patch in the lower right corner of each panel?

Yeah he’s over in Great Yarmouth by the looks of it, 93 miles away.

I put out another FB shout got one chap who was interested until I mentioned lichen and said he couldn’t do it and I would need a specialist company.

Yes and got silence.

As title. Anyone cover Boston and can clean 15 panels?

Did you ever get to test it? I’ve got a few small patches across my 4kw array and even on a clear day I’m only getting 3kw. one company had a go with tap water and a pole/brush after some days of rain, no good, even tried a scrapper. Another company said if they have to do it from the ridge it...