Filling chased out backbox

[bodger_badger]

Hi,

Any suggestions on what to use to fill this back box? I'll probably have a plasterer coming over at some point to do the final coat but I'd like to get the big bits filled in first.

Thanks

 

[blup]

I have used toupret filler which is fine, but the best I used (including a good length of chasing) was easy fill. Sets really smooth and filled deeper than advertised. Only problem was it only came in bigger bags, so a bit of wastage unless used on bigger jobs

 

[opps]

I have used toupret filler which is fine, but the best I used (including a good length of chasing) was easy fill. Sets really smooth and filled deeper than advertised. Only problem was it only came in bigger bags, so a bit of wastage unless used on bigger jobs

I do use Easifill from time to time but normally only on ceilings. It is incredibly soft. So soft that when I turn up to repaint a room and start sanding the walls, the old emulsion rips off the wall where the easifill is and I have to sand back the easifill and refill with Toupret. In the OP's case, I would recommend Browning plaster.

 

[Koolpc]

I would fix something in the hole first before filling. Like a bit of a brick or piece of timber. Then fill.

 

[Mottie]

Cement or plaster. A great big dollop to take up most of the empty space just leaving a final skim to the plasterer. You could probably do the final skim yourself and flatten off with a sanding block and sandpaper if finishing with polyfilla.

 

[foxhole]

Bonding and change the sockets .

 

[RandomGrinch]

As has been said, with a deep hole, I would fix something in place and then fill.
All the methods previous methods are valid, but it depends what you have lying around.
Personally, I would use some expanding foam to fill.and stick a carefully cut peice of plasterboard - the resulting filling would then be minimal.
And as above - change the socket!

 

[Mottie]

Whenever I fit a new back box, after chasing out the hole, I throw a big dollop of cement or plaster in the hole, squeeze the box in to the required depth (with the cables inserted), leave overnight to go off, then just one screw in the next day to keep it in place when it’s all gone off. Finish off with a light skim of polyfilla and sand flat.

 

[bodger_badger]

Thanks all for the suggestions, much appreciated