Slab Back Mod (1.21.8, 1.21.1) solves a long-standing frustration in Minecraft crafting by allowing players to recombine slabs back into full blocks. Whether you’ve accidentally overcrafted slabs or want to recycle unused ones, this mod introduces a simple and intuitive way to recover your building materials. By placing two identical slabs into a crafting grid, you can instantly convert them back into the original full block making it a must-have for survival builders and resource-conscious players.

Features:
- Allows slabs to be crafted back into full blocks
- Supports almost all vanilla slab-block combinations (wood, stone, quartz, etc.)
- Works in any crafting grid (inventory, crafting table)
- Simple, intuitive recipe: place two identical slabs vertically
- Perfect for correcting overcrafted materials
- Lightweight and survival-friendly
- Compatible with other recipe-based mods
Screenshots:





Requires:
How to install:
How To Download & Install Mods with Minecraft Forge
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Why use Slab Back Mod?
In survival mode, wasting resources on overcrafted slabs can be frustrating especially when you’re managing limited blocks. Slab Back Mod offers a clean solution by letting you reverse that decision and reclaim full blocks. It’s ideal for large builds, compact storage, and correcting mistakes without resorting to cheats. Whether you’re building creatively or optimizing your base, this mod adds logical flexibility that feels like it should’ve been part of vanilla Minecraft all along.
FAQs
How do I convert slabs back into blocks?
Place two matching slabs vertically in a crafting grid to receive one full block of that type.
Which slabs are supported?
Most standard slabs in Minecraft are supported, including wood, stone, brick, quartz, and more.
Does it work with modded slabs?
It may work with modded slabs depending on how the mod registers them. Compatibility is generally strong.
Is this mod survival-compatible?
Yes, it’s fully survival-friendly and works without any cheats or creative mode.
Does it affect block placement or double slabs?
No, this only adds a crafting recipe. It doesn’t change slab behavior in the world.
Download links
- Fabric version:download Download file
- Fabric version:download Download file
- Fabric version:download Download file
- Fabric version:download Download file
- Fabric version:download Download file
- Fabric version:download Download file