Cut too much off the drywall and a crack??

[Micke1994]

Hi, it's my first time putting up drywall and I used renovation plasterboard 6mm. This will be the first and last time, it's incredibly difficult to work with.

Anyway, I accidentally cut too much on the drywall, it was 2500mm and the exact floor-to-ceiling measure is 2486mm. Can it be left like this and then filled evenly with plaster, or should I just replace it with a new one?

Next question, I got a crack on another sheet, can this somehow be repaired or will it crack again after being plastered, or as said, should it just be replaced?

I can also add that I'm placing the drywall on an existing one that has had 5 layers of wallpaper all the way from the '60s

 

[klaskarlsson]

Hi, first time I'm installing drywall, it was renovation gypsum 6mm, first and last time, incredibly difficult to work with.

Anyway, I happened to cut off too much on the drywall, it was 2500 and the exact floor to ceiling measurement is 2486mm, can I leave it like this and smooth it out with spackle, or do I have to replace it with a new one?

Next question, I got a crack in another board, can this be repaired somehow or will it crack after I've skim-coated it, or as mentioned, just remove it and replace.

I should also mention that I'm laying the drywall on an existing one that had 5 layers of wallpaper all the way from the '60s

Make sure the drywall is secured on both sides of the crack + spackle, I would say.

 

[Micke1994]

Make sure the drywall is attached on both sides of the crack + filler I would say

So put a screw on both sides along the crack??

 

[imported_Benno]

You're screwing too close to the edge. 6mm doesn't support itself, so it must be solid underneath to avoid problems with screws sticking out or going through the board.

 

[wildeside]

In large gaps, you can fill with plaster. I would screw on both sides of the crack and bevel the edges of the crack and fill with plaster, then lay a paper strip. Then it's just a matter of plastering as usual.

 

[Micke1994]

You're screwing too close to the edge. 6mm doesn't support itself so it must be rigid underneath to avoid issues with screws sticking out or going through the board.

No darn rule behind at mm didn't screw less dense

 

[Micke1994]

Some crap rule behind on mm didn't tighten smaller screw

35mm

 

[tergo]

max 150 mm between the screws in the drywall joint

 

[Ironside]

As far as I know, plasterboards should not go all the way up\ndown\in against the floor\ceiling\corners, there should be a certain gap that is then covered with a molding or sealant (e.g., Tec7 if the house moves a lot or painter's caulk if it moves a little).

If the house moves a lot (e.g., wooden frame), the risk is high that the joints between the boards will be visible if they are not handled correctly. Between each plasterboard, there is an involuntary crack\joint that is covered with joint tape, and if done correctly, there will never be a visible crack. In your case, the crack does not run straight and seems to extend both within and outside the recessed area (intended for the tape), which can make it complicated to tape the whole thing.

To be particular, I think the plaster screws are way too close to the edges.

BUT worth noting, I am not a craftsman and have only installed plaster and renovation plaster in a couple of rooms in the house so far.

Edit: Can you link the guide you followed for installing plaster?

 

[Micke1994]

As far as I know, plasterboards should not go all the way up\against\in towards floor\ceiling\corners, there should be some gap that you then cover with a molding or soft sealant (e.g., Tec7 if the house moves a lot, or painter's caulk if it moves a little).

If the house moves a lot (e.g., wooden frame), then there's a big risk that the joints between the panels will show if not handled correctly. Between each plasterboard, a gap/joint inevitably forms, and you use joint tape to cover it, and if done correctly, no visible crack will ever appear. In your case, the crack doesn't go straight, and it seems to extend both within and outside the recessed area (intended for the tape), which can make it complicated to tape it entirely.

If I were to be picky, I think the plaster screws are way too close to the edges.

BUT it's worth noting, I'm not a craftsman and have only installed gypsum and renovation gypsum in a couple of rooms in the house so far.

Edit: Could you link the guide you followed for installing gypsum?

Alright, thanks for the answers! This is an apartment, so everything is made of load-bearing walls in such solid concrete. The apartment is on the ground floor, and the wall between the bedrooms is load-bearing, and on the other sides is the entrance to the house with mailboxes, so they just put plasterboard and insulation to dampen, I imagine.

 

[GHGH]

No good answer, but in the pictures you see, you probably have also screwed the screws too far into the board. When I drywalled a room with renovation gypsum and accidentally got the screws in that far, it was clear that the board wasn't fastening properly there. Have you set all the screws to the same depth..?

 

[Micke1994]

Not a good answer, but from the pictures you see, you probably have also screwed the screws too far into the board. When I plastered a room with renovation plasterboard and accidentally got the screws so far in, it immediately felt like the board didn't attach properly there.. Have you set all the screws equally deep..?

Yeah, it felt a bit like that on some, no, maybe 20 out of 120 are too far in.