if it makes you feel any better, I had to kind of DIY this same thing last winter but on steel downpipe to the hacksawing took ages. Also the compacted sludge was for almost 2 metres. The elbow now just chucks water and moss all over the place. I'll sort it all properly one day, maybe.
if it makes you feel any better, I had to kind of DIY this same thing last winter but on steel downpipe to the hacksawing took ages. Also the compacted sludge was for almost 2 metres. The elbow now just chucks water and moss all over the place. I'll sort it all properly one day, maybe.