OP
Geordie Spark
Queersote if you can get any, that will sort it, Jays fluid may work too....
Scrape it off first though.....
Ye cannit use that man .... the poor little Queer will freeze to death withoot his coat!
Creosote however could do the job, but it's not as good as it used to be thanks - again - to H&S hysteria.