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Cleaning conservatory roofs


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Old 10-01-2007, 13:15
gcbus
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My conservatory has a triple polycarbonate roof. The conservatory is about 7 years old. The polycarbonate has not been regularly cleaned and so has built up a coating of a green algae like nature.

What is the easiest way of cleaning this off?

I can get at it from an upstairs roof and obviously elbow grease would go a long way but due to the size; pitch etc it's not that easy and besides, I don't want to tarnish the polycarbonate.

Does anyone know of a 'substance' that can be mixed with water or whatever and then sprayed onto the roof and then rinsed off with water?

Cheers.
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Old 10-01-2007, 17:01
diablo
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I'd have thought that a pressure washer would be the best solution.

I clean my paths, windows and walls with one, without any detergent.
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Old 10-01-2007, 18:36
horseychick28
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I'm pretty sure we've still got a hosepipe ban down south as I really want to do my paths and can't
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Old 11-01-2007, 01:31
seacam
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Originally Posted by gcbus
My conservatory has a triple polycarbonate roof. The conservatory is about 7 years old. The polycarbonate has not been regularly cleaned and so has built up a coating of a green algae like nature.

What is the easiest way of cleaning this off?

I can get at it from an upstairs roof and obviously elbow grease would go a long way but due to the size; pitch etc it's not that easy and besides, I don't want to tarnish the polycarbonate.

Does anyone know of a 'substance' that can be mixed with water or whatever and then sprayed onto the roof and then rinsed off with water?

Cheers.
Hello Gcbus,

Having built and erected many conservatories and cleaned a few of them, might I suggest these tips.

Pressure washer with mixing attachment, ( or hose or buckets ), plenty of warm water and this, http://www.casupply.co.uk/acatalog/u...s_cleaner.html + the softest broom and/or lots of vinegar + lots of concentrated lemon juice, absolutly no washing up liquid, if seals are made of rubber, if neoprene OK to use w/liquid.

The trick to cleaning your conservatory roof is to do it in two halves, so starting at the bottom safely get yourself slightly higher then it, using a good ladder/step.

Using any of the above methods, use a healthy dose of three parts vinegar, 1 part lemon juice and loads of warm soapy water, off you go with the broom or p/washer and lots of elbow grease, that should do the trick, if your happy with the results don't bother to rinse to much, you have the top half to do, do all the rinsing after that.

Quite a few years ago I took on the job of cleaning a massive conservatory roof with moss and algae all over it, nothing was shifting it.

I was bitching about it to the wife when my then youngest daughter, ( about six ) suggested I use the stuff that I clean the fishes with, she meant the pond, what a brain wave, gosh did it work, roof came up a treat.

Word of caution.

Having used the pond cleaner, a few months later I was called back to replace three of the glazing bars as the seals had failed, hmmm, but the roof looked excellent but I was never sure if my earlier efforts had been the cause of the seals failing.
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