Mainframe Door
Applies to Sheet Metal Door
Prices by marketplace
| Marketplace | Listed | Price | |
|---|---|---|---|
| Waxpeercheapest | 7 | $0.54 | Buyopen_in_new |
| ShadowPay | 4 | $0.54 | Buyopen_in_new |
| Skinport | 12 | $0.59 | Buyopen_in_new |
| DMarket | 6 | $0.68 | Buyopen_in_new |
| Steam Market | 21 | $0.86 | Buyopen_in_new |
| Swap.gg | 2 | $0.89 | Buyopen_in_new |
Prices updated Jul 15, 2026. Cents converted to USD.
Steam price history
Steam market health
~$20,617 in recent Steam sales volume · first listed Jan 2019
About Mainframe Door
Mainframe Door is a skin for the Sheet Metal Door in Rust. It's one of the more affordable Sheet Metal Door skins, with the cheapest listing at just $0.54.
It's listed across 6 skin marketplaces, priced from $0.54 to $0.89. On the Steam Community Market it has sold 12,062 times overall with 108 in the past month, making it a regularly-traded skin. The cheapest place to buy it right now is Waxpeer at $0.54.
Frequently Asked Questions
How much is Mainframe Door worth?expand_more
The cheapest Mainframe Door is $0.54 on Waxpeer. Across 6 marketplaces it ranges $0.54 to $0.89, and its 30-day Steam Community Market median is $0.77.
Where can I buy Mainframe Door the cheapest?expand_more
Right now Waxpeer has the lowest price at $0.54. Prices shift between markets, so it's worth comparing all 6 listings in the price table above before you buy.
What item does Mainframe Door apply to?expand_more
Mainframe Door is a skin for the Sheet Metal Door in Rust. Once you own it, apply it to a Sheet Metal Door from your inventory, or spray it on at a workbench.
Is Mainframe Door expensive?expand_more
No — at $0.54 it's a budget skin that most players can pick up cheaply.
Can you get Mainframe Door for free?expand_more
Rust hands out skins free through Twitch Drops and occasional item-store promotions, but Mainframe Door isn't a current drop — the cheapest way to get it is buying from the market, from $0.54.
Is Mainframe Door actively traded?expand_more
Yes — it has 12,062 all-time Steam Community Market sales and 108 in the last 30 days, so it's a regularly-traded skin.