Custom Flammable Blocks

A mod that lets you specify which blocks should be flammable and which shouldn't.

342 Downloads

fabricgame-mechanicsutility

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About this Mod

Custom-Flammable-Blocks

A mod that lets you specify which blocks should be flammable and which shouldn't.

Usage

Simply use commands to configure the mod.

/cfb

reload - reload the config.
list - Shows the configuration.
reset - Reset the flammability values to Minecraft's defaults
settings
- add - Add custom flammable block property.
- remove - Remove flammable block entry from config.
- enabled - toggle the mod on and off.
- add_all_non_flammable_blocks - Makes all non-flammable blocks flammable except (Air, Fire and Wate).

Available Versions

Custom Flammable Blocks 0.1.0 - 1.21.Xrelease

MC 1.21.1, 1.21.2, 1.21.3, 1.21.4fabric

February 24, 2025

Custom Flammable Blocks 0.1.0release

MC 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6fabric

February 24, 2025

How to Install Custom Flammable Blocks on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.4).

Install Mod

Open the mod browser in the dashboard and search for "Custom Flammable Blocks". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.4, 1.21.3, 1.21.2 (+7 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Custom Flammable Blocks server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.

Is Custom Flammable Blocks compatible with fabric?

Custom Flammable Blocks officially supports fabric for Minecraft 1.21.4, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Custom Flammable Blocks – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Custom Flammable Blocks consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.