Mounting heavy wall shelf in 9 cm concrete block

[AnnikaSta]

Hello, I have received a Royal System shelf system in teak, four sections. I want it on a wall made of 9 cm thick lecablock. Behind it, there's a small air gap and then a porous clay wall that cannot be screwed into. Is it possible without the entire wall collapsing? How should I attach it?

 

[BSOD]

https://www.proffsmagasinet.se/mask...tx30-lattbetongskruv-80x90mm-100-pack-1530079

Such are good. I think they might also be available in smaller packages at Bauhaus.

 

[AnnikaSta]

Thank you. No studying?

 

[vanpire]

Also available at Byggmax:
https://www.byggmax.se/lättbetongskruv-p24376

 

[Bleydrunner]

I would also recommend light concrete screws. When I compared them for mounting a TV arm on a light concrete wall, they can handle at least as large loads as plugs and screws. Easier to screw directly into the wall instead of drilling, plugging, and screwing. I started a separate thread about it:

https://www.byggahus.se/forum/threa...pa-laettbetong-infaestning-och-laster.435938/

Essve has lots of different dimensions. The longest screw possible without screwing through the wall is best. I assume you are going to mount long wall rails and then it's not as critical as my TV arm project.

 

[AnnikaSta]

Yes, the long rails to which the different cabinets, drawers, and shelves are attached. Thank you for the information that the screw should not go all the way through the wall.

 

[Bleydrunner]

What speaks in favor of plugs and screws is if you want a specific type of screw (e.g., brass or shiny stainless) to match other details.

 

[AnnikaSta]

Oops, you're right... The other metal is brass on the shelf.