this post was submitted on 08 Jul 2025
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Today I Learned

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[โ€“] tankplanker@lemmy.world 4 points 1 day ago (1 children)

Just keep in mind that the upper limit of what you can mount onto plasterboard is the strength of the actual plasterboard itself more than it is the wall plug once you get to the correct plug for your wall type. Plasterboard gives up quite quickly, its around 30kg per square meter, something like tile backer board is like 200kg per square meter.

The most important thing is that its snug and does not wiggle. This means you have to cut a clean hole that is the correct size for the plug, any good plug is marked with the correct size. A wonky hole or one that is too big or too small will cause no end of problems and you have to start again.

If its anything heavy you should be going into the stud or adding in a baton to do it properly. Mounting something like a TV to walls in the UK I will go into the breeze block behind and use ferrules/baton to support the bolt in the gap to the plasterboard.

Good, if older video from Project Farm on different types of rawl plugs, shows both sides of the plug so you get a better idea of whats going on. https://www.youtube.com/watch?v=lHb-Tcvkn7M

[โ€“] philpo@feddit.org 2 points 1 day ago

These wall plugs/the Fischer type are not meant for plasterboard at all. Because Plasterboard is a fucking abomination in terms of building quality.