In article , Andy Dingley
writes
I also saw "Rawlplug compound", or at least a modern version of it
recently. A compound-filled paper "coffee filter" that you wet, then
shoved down the hole.

Recently found some of the old stuff in my dad's shed, ingredients:
Asbestos Fibre 100%, I remember him mixing it with a gob of spit in his
hand when making fixings, ah, those were the coughcoughspit
days :-)
--
fred