On 31 Dec 2005 04:34:14 -0800, wrote:

I have recently seen the sulphuric acid to clear blocked drains.

Just had a thought, are you sure it isn't blocked with the polystyrene
tiles that fell down? If so, pour down some diesel fuel. Make sure it
doesn't catch on fire, not with all those flammable tiles around.

--
Nigel M