Recent content by macfixit

Thanks, Compeat - I can now move ahead, so Mrs Mac will be pleased and matrimonal harmony will return.... mac

I have a large (4 inch) vent pipe from my bathroom waste running up the bathroom wall, through the attic and out through the roof. I would like to hide it by putting it behind the plasterboard lining but it's far to large. Could I reduce its size down to around 2 inch so that I can hide it, or...