How to repair a hole in the drywall?

[pelleprognos]

The teenage boy was in a terrible mood and punched his fist through the drywall. There's a hole the size of a boy's fist right through the sheet, with insulation behind and behind that is lightweight concrete blocks. I thought about trying to patch it up, but it's a bit difficult when there's nothing to hold onto except broken drywall pieces and flexible insulation. The vapor barrier between the drywall and the insulation is damaged and hard to seal.
I'm wondering if I can carefully fill it up with foam sealant and plaster the outermost layer? The insulation is the regular fiberglass kind.

 

[Biggie]

When we drill the wrong hole as electricians, we usually just insert a piece of stud or some kind of wood that's longer than the hole and screw it in so that we then have something to reattach the drywall piece that's in the hole saw. Should work here too.... If the "hole" is very damaged in the drywall, you can try to remove it and cut out a new piece to match...
Then it's just a matter of applying putty...

Good luck!

 

[zsimpey]

sometimes it's good that it's not plyfa and gypsum. better for the wall to give way than a broken hand!

 

[slurppe99]

He can cut so the edges are straight or beveled. Then a couple of wood pieces are placed on the inside of the hole like a couple of studs that are screwed in from the front. Then he cuts a piece of drywall corresponding to the hole with straight or beveled edges. It is then screwed onto the wood pieces. Then the putty does the rest. The vapor barrier can be sealed with the corresponding plastic and tape.

Biggie was first with the corresponding solution....

Good luck.

 

[Biggie]

Even better explained ^^ goodnight

 

[pelleprognos]

He can cut so the edges are straight or beveled. Then you put up a couple of pieces of wood on the inside of the hole as a couple of studs that are screwed in from the front. Then he cuts a piece of drywall to match the hole with straight or beveled edges. It's then screwed to the pieces of wood. Then the putty does the rest. The vapor barrier can be sealed with corresponding plastic and tape.

Biggie was the first with a corresponding solution....

Good luck.

Ok, thanks. I was a bit worried about using organic material in the wall, but upon further reflection, the vapor barrier is between the insulation and the drywall, so there shouldn’t be any problem with doing as you suggest.
Do you need to lay strips over the seams between the insert piece and the hole edge when spackling to avoid cracking?
Unfortunately, I don't have any drywall pieces at home, but I'll have to look among friends, it feels unnecessary to buy a whole sheet for this.

 

[f91jsw]

You don't need to apply tape for such a small repair, there will be no tension between the drywall pieces, so it won't crack.

 

[Biggie]

Go to a place in your local area where construction or renovation is taking place, convinced that the carpenters can offer you a scrap piece

 

[Ragganof]

It is quite certain that it will crack without a strip. It's just like when the carpenter drills holes incorrectly and patches it up, I've seen it too many times where it's just spackled over and then it cracks.

Otherwise, there are repair kits, which are a small metal mesh with a fiberglass net around it. You apply it over the hole, spackle a second time, and then sand it down.

 

[Daniel 109]

It won't crack.

The plasterboard has organic paper on it, so a piece of wood doesn't make it worse. But it's also possible to mount plasterboard on the inside.

I did a similar repair when my wife threw a chair down the stairs.

Here's how I did it.
Cut the hole clean.
Then I made a plaster piece that could be inserted into the hole, and glued it to the inside of the existing plaster. A brace across the hole with screws into the plaster fixed it during drying.
Then glue a plaster that fits into the hole, with a little pressure from outside.
After that, fill the joints; I didn't use tape or the like. It takes a few rounds.
Finally, patch the wallpaper with an old spare piece.

The solution with screwed braces is quicker, but may potentially cause some movement, but it should work just as well.

I think this is a job for the person who caused the damage. Even if that wasn’t the case for me.

 

[pelleprognos]

It won't crack.

The gypsum has organic paper on it, so a piece of wood doesn't make it worse. But you can also mount a gypsum on the inside.

I did a similar repair when my wife threw a chair down the stairs.

Here's how I did it.
Cut the hole clean.
Then I made a piece of gypsum that could fit into the hole, glued it on the inside of the existing gypsum. A batten across the hole with screws into the gypsum fixed it during drying.
Then glue a piece of gypsum that fits in the hole, with a little pressure from the outside.
After that, putty the seams, I didn't use any tape or similar. It takes a few rounds.
Finally patch the wallpaper with an old scrap piece.

The solution with screwed battens is faster, but may possibly give some movements, but it should work just as well.

I think this is a job for the one who caused the damage. Even though that wasn't the case in my situation.

Ha ha, yes absolutely the one who caused the damage should also repair it, but then it might turn out accordingly
This is the second hole I've repaired from the same fist. The previous hole was in an uninsulated wall where there was more space behind the damage, and then I did just as you described, and it turned out well.

 

[Ragganof]

It won't crack.

Have experience of hundreds of repairs of this kind as a painter in everything from new constructions to renovations and it often cracks if it's just filled.
Just idiocy not to tape over, if paper is difficult. Use fiberglass.

 

[pelleprognos]

Have experience with hundreds of repairs of this kind as a painter in everything from new constructions to renovations, and it often cracks if you just use filler.
Just idiotic not to tape over, if paper is difficult. use fiberglass.

Yep, had some fiberglass tape lying around so I put it in the seams just to be safe

 

[Modig]

If you don't find a piece of plasterboard from a friend or similar, you can ask at the building supply store if they have a scrap piece – they surely have boards that have been damaged after being handled carelessly.
Even if you want to be there to supervise and ensure the quality of the work, I also think the person who caused the hole should be there. Not as a punishment but to learn – it's always good to know how to fix things - and because it's more pleasant when there are two.

 

[f91jsw]

I have experience with hundreds of repairs of this sort as a painter in everything from new constructions to renovations and it often cracks if it's just puttied. It's just idiocy not to tape over it; if paper seems difficult, use fiberglass.

It won't crack if done correctly: screw-glue the piece of wood on the back of the plasterboard. The glue ensures that the plaster pieces can't move relative to each other, preventing cracks. The advantage of not using tape is that you don't end up with a bulge over the repair, which is otherwise unavoidable.