Filling in a huge hole in plasterboard... How..?

[Kuroblack350]

Folks,

My own fault this one

Ok, whilst trying to secure a spot for a firearms rated safe (needs to be attached to exterior wall) I made an inspection hole in some platerboard inside our fitted wardrobes, about 6" sq just to be sure. Now, as it happens we are moving, so I have no further use for this new hole (there's a good gap of 12" behind it anyway!!!)

So, what's the best way of covering it up? My thoughts were;

1. Filler (lots) - and not sure how to get it to stick to fresh air
2. Plaster (see above comments)
3. Stick some kind of cheap air vent over it with that sticky sealant stuff

Thoughts appreciated..!

[Shaw Tarse]

I've heard about putting some cardboard behind the hole & then plastering over it.

[Stu R]

Fill the hole with newspaper, polyfilla over it, sand smooth, paint.

[Kuroblack350]

thanks for the early suggestions guys, but the hole is huge - it's free air behind it (plumbing space)

At the moment I'm thinking a strategically placed vent..!

[GreenDog]

2 pieces if plaster board about 8" by 4", no more nails round the edges, slide through the hole one at a time and stick them to the back of the main plasterboard wall, when glue drys fill the now shallower hole with filler.

Thats how I'd do it anyway.

[miniman]

Just get another piece of plasterboard, cut it to the same size / shape as the hole and insert it into the gap, then fill the joins and sand smooth.

[Stu R]

Kuroblack350 said:

thanks for the early suggestions guys, but the hole is huge - it's free air behind it (plumbing space)

At the moment I'm thinking a strategically placed vent..!

Glue some cardboard to the back of the board then. Or just cut a section of plasterboard away and replace it with new board.

[odyssey2200]

Cut around the hole with a jig saw with the blade set at the steepest angle possible
Now get another peice of plaster board and cut the same shape out.

The steel angles will stop the new peice going throught the hole.
add some glue at he edges and then plaster over it.

[Deva Link]

GreenDog said:

2 pieces if plaster board about 8" by 4", no more nails round the edges, slide through the hole one at a time and stick them to the back of the main plasterboard wall, when glue drys fill the now shallower hole with filler.

Thats how I'd do it anyway.

Or even one piece cut slightly larger than the hole and with a bit of *strong* string trough a small hole in middle.

Use no more nails around the edge , wiggle it through the hols at an angle and then pull it into place with string. Cut the string off when the glue has set.

[Piersman2]

Cut a piece of plasterboard about 2 cm bigger all round than the hole. Make a small hole in the middle and attach a piece of string to be used as a handle.

Place glue/plaster adhesive all round the 2cm overlap.

Insert through hole and then use the string/strap to pull the board back into place behind the hole and let set.

Remove the string/strap and fill in the 9 or 12.5mm deep hole you now have.


^^^^^^^^^^^^^^^^^^^
As he said above
Beat me to it.

Edited by Piersman2 on Friday 26th March 11:55

[ThatPhilBrettGuy]

As above with the string method but I wouldn't try to fill it all. Better to get another bit of plasterboard and stick it to the recessed stuck bit so you have MUCH less to fill

[Deva Link]

It's getting complicated - I think the vent idea is sounding attractive!

Something like this: http://www.screwfix.com/prods/75630/Heating-Coolin...

[tangent police]

Fill the void with expanding foam and then cut off flush and card over with polyfilla.

Seriously. Cut it out neat to a rectangle and then put a bigger piece of plasterboard with gripfill around the edges. You have a hole bored through the middle of this which you put a bit of string through and a something like a pencil tied to stop the knot pulling though. Pull the string until the patch has stuck. Done.

[ThatPhilBrettGuy]

tangent police said:

Fill the void with expanding foam and then cut off flush and card over with polyfilla.

What? A foot of it floor to ceiling?

[Road2Ruin]

Back fill with concrete and then make sure your insulation is up to date before the building regs guy comes round.

[Xenocide]

Just hang a picture there

[MrV]

Easy way ,get some tile batten cut it so it runs about 150mm either side of the hole,

hold behind plasterboard,screw through plasterboard into the batten making sure the screw head sinks in flush

Cut new plasterboard to fit in hole,screw through the new board into the batten

Plaster/polyfill new board and job done.

[Cupramax]

Xenocide said:

Just hang a picture there

Inside a wardrobe?

[Piersman2]

mind you, if it's in a cupboard, you could just buy a big sheet of plasterboard, cut it to the size of the wall in the cupboard and just glue it straight over the top of the wall with the hole.

Bit of decorators caulk round the edges.

Paint.

Done!

[Greg_D]

Cupramax said:

Xenocide said:

Just hang a picture there

Inside a wardrobe?

appropriate use of facepalm there.

It would look funny though!!!!

Greg