Does this plug work?

[Victorbeck]

Hello!
I am about to install wall cabinets and during an earlier test drilling in the wall, I found that it was lightweight concrete.

I therefore bought the following plug along with an 8 cm screw.

https://www.hornbach.se/p/tox-lattbetongplugg-ytox-10-55-25-styck/8229659/

Now, as I am about to install them and drill higher up on the wall, I reach what I believe is concrete about 5 cm in. I wonder if I should/can still use this plug or if I should use another one?

 

[El-Löken66]

Hello!
I'm going to put up wall cabinets and during previous test drilling in the wall, I found out it was aerated concrete.

I therefore bought the following plug along with an 8 cm screw.

[link]

Now when I'm going to put them up and drill higher up on the wall, I encounter what I think is concrete about 5 cm in. I wonder if I should/can still use this plug or if I should go with another?

I would probably use lightweight concrete screws straight into the wall.

But. How heavy is the cabinet? How much does it project from the wall? Will children climb? Can you drill straight through and use a through bolt and nut?

If someone climbs and it falls. Death.
Maybe @Matthias_J has more suggestions?

A solid plug can handle a lot of weight downwards. But here we're talking about children holding onto it and pressing against the wall with their legs. The force is straight outwards.

Review from your link:
They must be used with caution, after careful pre-assessment of the installation, and served with a spoon, like caviar. Too expensive to get the installation wrong even once.

 

[jonaserik]

There is probably a concrete element above the window that supports the wall above. How long is the plug? It's fine if it goes into the concrete a little. Just drill about 1 cm deeper so a screw can fit, remember that the screw should fit in length.

 

[Victorbeck]

There is probably a concrete element over the window that supports the wall above. How long is the plug? It's fine with it, not wrong if it goes into the concrete a bit. Just drill about 1 cm deeper so a screw fits, keep in mind the screw should fit lengthwise.

55 mm, so most of the plug will still be in the more porous material.

 

[El-Löken66]

There is probably a concrete lintel above the window that supports the wall above. How long is the plug? It's fine with that, not wrong if it goes a bit into the concrete. Just drill about 1 cm deeper so a screw can fit, remember that the screw needs to fit lengthwise.

Well. The screw usually sticks out 10-15 mm. Then the cabinet hangs on this. Keyhole plate. But now it is not described.

Is it unsafe? Is it possible to mount supports underneath? The cabinet might weigh around 80 kg fully loaded. The deeper, the bigger the leverage effect. And a climbing child 25-45 kg that pulls it straight out.

 

[Victorbeck]

I would probably use light concrete screws directly into the wall.

But. How heavy is the cabinet? How much does it protrude from the wall? Will children climb? Can you screw straight through and use bolts and nuts?

If someone climbs and it falls. Death.
Maybe @Matthias_J has more suggestions?

A sturdy plug can handle a lot of downward weight. But here we're talking about children holding onto it and pressing it against the wall with their legs. The force is outward.

Review from your link:
They must be used with caution, after a thorough pre-evaluation of the installation, and served with a spoon, like caviar. Too expensive to get the installation wrong even once.

2-meter rail will hold 4 Ikea cabinets, about 60 kg total.
I thought I'd play it safe and use quite a few screws in the rail, more than Ikea actually recommends. Also attach the cabinets to each other and to the tall cabinets standing on both sides.

 

[jonaserik]

55 mm, so the majority of the plug will still be in the more porous material.

55 mm, so the majority of the plug will still be in the more porous material.

Then take a longer plug with the same thickness, as well as a longer screw and drill in about 3 - 5 cm into the concrete. A caveat in all this, in the concrete element there is reinforcement rod and you may encounter it, making it difficult to drill through, but it will certainly hold. It's probably not a climbing ladder for children to hang on.

 

[El-Löken66]

Then take a longer plug with the same thickness, as well as a longer screw, and drill in approximately 3 - 5 cm into the concrete. A note on this, in the concrete element there are reinforcement bars, and you might encounter them, it becomes difficult to drill through such, but it's certainly secure. It's probably not a climbing ladder for children to climb on.

Children climb. There's no other way to reach.

But something is uncertain. Can you throw on a few strings of PL 4000.

 

[Liljeros]

You need to decide whether to fasten into concrete or lättbetong, for lättbetong, lättbetongskruv is clearly the strongest, but for old concrete, it's plugs that are most suitable. However, in that case, you might want to use a longer screw and double plugs; the outer one is mostly for stabilization and the inner one for tensile load.

 

[Fairlane]

Just for the sake of accuracy: TOX Lättbetongplugg Ytox 12/60 means in my world that the plug is 12 mm in diameter and 60 mm in length.

 

[Thomas_Blekinge]

What they have going on with kids and stuff! It will probably be fine. Drill many holes, test with the screw if they are deep enough, and screw in the track. Before you hang the cabinets, test with a claw hammer and pull on the track with all your might. If the track is still secure, then it will be good.

 

[Victorbeck]

What they have with kids and stuff! It will probably be fine. Drill many holes, test with the screw if they are deep enough, and screw on the rail. Before you hang the cabinets, test with a claw hammer and pull on the rail with all your might. If the rail stays put, then it will be fine.

I just tested with a screw and plug.
If I pull straight out, it's rock-solid, doesn't move a millimeter. However, if I set the hammer against the wall and “lever” it, I can force the plug out. Is that normal or shouldn't it be possible to pull it out with "crowbar technique"?

 

[jonaserik]

Just keep on screwing, you're "home" as it's called. And have a nice weekend with the cabinet.

 

[rivaner]

Hi!
I'm going to install overhead cabinets on the wall, and during previous test drilling in the wall, I found it to be lättbetong.

I therefore bought the following plug along with 8 cm screws.

[link]

Now when I'm going to install them and drill higher up on the wall, I reach what I believe is concrete about 5 cm in. I wonder if I should/can still use this plug or if I should use another one?

The lättbetong plug is oversized and has a triangular cross-section (to prevent it from rotating). You can tap it into lättbetong with correct drilling, but it will come to a complete stop as soon as you hit something harder than kexchoklad.

 

[El-Löken66]

I just tested with screw and plug.
If I pull straight out, it's as solid as a rock, doesn't move a millimeter. However, if I place the hammer against the wall and "pry," I can force the plug out with effort. Is that normal, or should it not be possible to remove it with "crowbar technique"?

Is the screw completely through the plug?
You might have chosen the wrong diameter?

Then there's the question of the size of the hammer and how much force is required. But I would have chosen something stronger there.