How do I install Underlay Mod (26.2, 1.20.1) – Build Beneath The Block?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. In MC Java Mods, or directly above on this page.

What Minecraft version does Underlay Mod (26.2, 1.20.1) – Build Beneath The Block work with?

The listing gives Minecraft 1.20.1. This is the version stated by the author or source site, not something we verified ourselves.

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Underlay Mod (26.2, 1.20.1) – Build Beneath The Block

Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.

by 9minecraftmods

⬇ Download

Open in MC Java Mods Get it on Google Play →

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — screenshot 1

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — screenshot 2

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — screenshot 3

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — screenshot 4

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — screenshot 5

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — screenshot 6

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — screenshot 7

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — screenshot 8

Underlay Mod allows you to place carpets or blocks beneath other blocks like chests, beds, or upside-down stairs for extra detail. Just right-click under any surface with space below, and it works even in Survival.

Features:

Place carpets and blocks beneath other blocks.
Works with chests, beds, torches, stairs, etc.
Easy to use: right-click to place/replace, left-click to remove.

Screenshots:

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 2

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 3

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 4

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 5

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 6

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 7

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 8

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 9

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 10

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 11

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 12

Underlay Mod (26.2, 1.20.1) – Build Beneath The Block — Minecraft Java mod, screenshot 13

Underlay Mod Download Links

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.20.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: In MC Java Mods, or directly above on this page.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

File checked by MCModsHub

Downloads as 26740.mcaddon
Download size: 301 KB
Download link checked 25 Sept 2026 — working
Mirrored on our own servers — the download does not depend on the original host

These come from our own check of the pack file, not from the source page.

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All Mods for Java All Minecraft Java mods Java mods for 1.20