- Loaders
- Fabric
- Downloads on Modrinth
- 129
- Followers on Modrinth
- 0
- versions
- 3
- Updated
- September 16, 2026Sep 16
- Published
- in 2026
At a glance
Needed both in the game and on the server
This adds slab versions of the vanilla light blocks.

They behave like regular slabs (they have a top, bottom and full block variant), and provide the same light level as their vanilla counterparts. This includes a redstone lamp slab, which works exactly like the full block redstone lamp (powered = lit), but behaves like a slab.
FAQ
How to install LightSlabs?
Install Fabric for your Minecraft version, download LightSlabs for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does LightSlabs support?
LightSlabs has builds for Minecraft 26.2–26.3.
Is LightSlabs needed on the server?
Needed in the game and on the server