Rust Sheet Metal Base Upkeep: Tool Cupboard Guide
A sheet metal base in Rust can look secure and still be close to decay. The Tool Cupboard (TC) shows how long its upkeep resources will last. Checking that timer is more useful than judging the walls by their appearance, especially before a long offline period.
What the Tool Cupboard protects
Facepunch's Tool Cupboard guide explains that upkeep consumes a fraction of the materials used in connected building parts. The TC displays the cost per 24 hours and the remaining protection time. Sheet metal parts need Metal Fragments; armored parts use High Quality Metal. A mixed-material base can therefore run short of one resource while other parts still have theirs.
Do not assume every nearby structure is covered. Separate buildings need their own cupboard unless they are connected in a way that shares building privilege. Check an external structure directly before leaving it unattended. Doors and window pieces can contribute to upkeep too, so a new upgrade can change the amount your TC needs.
Plan metal upgrades around upkeep
Upgrading a wall to sheet metal gives you a stronger building piece, but it also creates a continuing Metal Fragment cost. Before upgrading an entire base, open the TC and look at how its displayed protection time changes. Keep a reserve of the right material for the amount of time you expect to be offline. A pile of spare stone will not maintain a sheet metal section if its metal supply has run out.
Metal Fragments can be produced from Metal Ore and obtained from eligible recycled items. What you recycle depends on your crafting plans: a component you destroy for immediate metal may be harder to replace later. Store upkeep materials separately from the resources you plan to spend on ammunition or equipment repairs, and recheck the TC after major expansion.
Upkeep and repairs solve different problems
Upkeep prevents normal decay; it does not automatically heal a wall damaged during a raid. Conversely, repairing a damaged wall does not keep it safe after the TC runs out of resources. Inspect critical building pieces after an attack and use the appropriate building tool and materials for eligible repairs. Then check the cupboard again, because those repairs may have consumed part of the supply you were counting on.
When a particular material runs out, the matching building parts can begin to lose health. Facepunch notes that exposed outer parts decay first. A base may therefore seem fine from the inside while an external section is already deteriorating. A short walk around the outside and a check of the TC are both worthwhile before logging off.
A practical pre-logout check
- Open the TC and read the current protection time, not an estimated cost from a guide.
- Check that each material used by the base has enough supply.
- Inspect doors, outer walls, and recently damaged pieces.
- Check any detached building for its own upkeep.
- Leave a small reserve for repairs after the next session begins.
For a wider look at Rust survival systems, read our survival and building guide. For a separate overview of item repairs and decay, see Rust repair and base decay.
Rust skins and Rustnecro are separate from base upkeep
The base you maintain in Rust is part of the survival game. Rustnecro instead offers player games involving Rust skins and site balance: the shared-pot Rustpot jackpot and head-to-head Rustflip coinflip. A TC timer, a metal upgrade, or a wall repair does not affect the result of either game. If you choose to deposit a skin, read the site's current rules and understand that chance-based play can lose the value you put at risk.
That distinction keeps both decisions clear. Spend in-game Metal Fragments according to the TC's displayed needs; consider Rustnecro only as a separate activity for eligible adults who can afford the risk. Neither a skin reward nor a wager can replace the upkeep your base needs during a wipe.
