I'm installing a cloakroom suite and have ran into an issue. I had hoped to put the new sink in the same location as the old sink was. I went to attach the waste pipe to the sink and found that I needed an inch or two more waste pipe. No problem, I thought, I'll add an extension. Well, that would have been fine if the existing pipe size was standard, but it doesn't seem to be either a 32mm or 40mm pipe (I've tried connectors for both). It looks as though the pipe is just a little larger than 32mm (35mm possibly?). Anyway, all I need is another inch or so but I can't get anything that seems to connect. Are there universal connections that will attach to varying sizes of pipe that I could use? Or does anyone have any other suggestions. I'm an amateur at this sort of thing so can't get into anything too complicated.
thanks in advance.