On Thu, 08 Mar 2007 09:51:19 +0000, Yaz wrote:

Can anyone tell me if plaster is available in a filler applicator type of
tube. I need to use same for filling around / securing electrical socket
boxes.

This is a DIY group!

Take one empty sealant cartridge (e.g. silicone, solvent free adhesive)
remove the plunger and clean out. Fill with one-coat plaster. Replace
plunger. Apply.

And here's one we made earlier ... :-)