SUBNAUTICA / BASES

Reinforcement

A structure upgrade that increases hull integrity for deep or large habitats.

QUICK REFERENCEFirst SubnauticaReviewed 2026-10-28Reference / noindex
Original Volpedia schematic category illustration
OVERVIEW

Understanding Reinforcement

A structure upgrade that increases hull integrity for deep or large habitats.

This is an original reference for the first Subnautica. Your current depth rating, oxygen, available tools and navigation route determine when an objective is practical. Follow actual in-game PDA and Fabricator information for any values that vary by version.

PRACTICAL APPROACH

How to use this information

Watch integrity as modules expand, particularly at depth.

COMMON MISTAKES

What to avoid

Ignoring hull integrity can cause flooding and repeated repair work.

CONTINUE ON VOLPEDIA

Related topics and walkthroughs

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A base appliance that recharges certain handheld-tool batteries.

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An interior isolation structure that can help control flooding and separate compartments.

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An outdoor planter for cultivating suitable underwater or exterior plants.

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A planter for growing certain plants inside a habitat.

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A spacious base module added to the original game in the 2.0 Living Large update.

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A docking module for Seamoth or Prawn Suit and an important upgrade hub.

Back to Base Building

Independent Volpedia editorial encyclopedia about the first Subnautica, reviewed 2026-10-28. Unaffiliated with Unknown Worlds Entertainment. Category illustrations are original diagrams, not in-game maps, screenshots or exact creature portraits. No fabricated damage statistics, spawn probabilities or detailed map coordinates. References are documented privately and not shown as outbound research buttons.