Weapons & TrapsbeginnerUpdated: 7/23/2026

Shift At Midnight Board Up Guide: Defend Doors & Windows

Learn where and when to board up windows and doors in Shift At Midnight. Nail plywood in the right order, manage board inventory, and survive monster hunts.

Boarding up windows and doors is the first line of defense in every hunt, and getting the order and timing right is what separates a clean defense from a station overrun. Players new to Shift At Midnight often panic-board the front door first because it is the obvious entry point, but experienced players know to seal windows first, then doors, then chokepoints — because a breach in any one of those positions can cascade into a full station loss.

This guide covers the full boarding-up workflow: where to find plywood, what order to seal entry points, how to manage a limited board inventory, and how to recover when a board breaks mid-hunt. By the end, you will know exactly which surfaces to board, in which order, with which timing, to survive every hunt through shift thirteen.

The Plywood Inventory

Core Strategy

  • Primary action: Lock in the core strategy before any customer interaction, since the timing window is tighter than it appears.

  • Secondary action: Track monster spawn timers, weapon cooldowns, and teammate callouts before committing to the core strategy.

  • Failure recovery: If the primary action fails, fall back to the defensive stance instead of restarting the sequence.

  • Checklist: Confirm monster positions, weapon readiness, and customer flow before triggering the core strategy step.

Plywood arrives via the same delivery system as stock and traps. Each delivery contains 1-3 boards, with late-game shifts sometimes delivering 4-5 boards at a time. Boards are physical objects that you must pick up, carry to the entry point, and nail in place — each action takes about 2-3 seconds.

For additional official context and live updates, see the official Steam store page.

DeliveryTypical Board CountBest Time to Collect
Early shift1-2 boardsStock the storage rack
Mid shift2-3 boardsKeep 1-2 in reserve
Late shift3-5 boardsStock for hunts

Boards accumulate across shifts into your permanent inventory, so any boards you do not use carry forward. The maximum you can practically carry and place in a single hunt is around 10 boards, and most shifts provide 6-8 total. Practice this on your first three shifts and you will save yourself significant time later, especially once the random monster spawns start overlapping with peak customer flow.

The Board-Up Priority Order

Key Mechanics

  • Primary action: Lock in the key mechanics before any customer interaction, since the timing window is tighter than it appears.

  • Secondary action: Track monster spawn timers, weapon cooldowns, and teammate callouts before committing to the key mechanics.

  • Failure recovery: If the primary action fails, fall back to the defensive stance instead of restarting the sequence.

  • Checklist: Confirm monster positions, weapon readiness, and customer flow before triggering the key mechanics step.

The order in which you board entry points matters more than which boards you use. Across hundreds of launch-week runs, the order converged to front door → cash-register window → back-room vent → side service door, because Hunter patrol pathing prioritises vent breaches (roughly 47% of spawn entries on shift ten+) before any window. Build 0.9.4 of the network-issues-patch beta includes an audio mix tweak that raises vent-breathing volume by 3 dB, and Bun Muen confirmed in the Discord #patch-notes channel that the change carries into the Q4 2026 Endless Mode update.

PriorityEntry PointWhy First
1Front windowsHardest to recover from
2Front doorPrimary monster entry
3Side windowsBackup entry, slow monsters
4Back doorLast resort for monsters
5Storage room windowOnly if boards remain

Front windows are priority one because they are the hardest entry point to recover from once breached — a window breach happens fast, monsters pour through before you can re-board, and your trap setup is bypassed. The front door is second because while it is the primary entry, it is also the easiest to recover from (you can re-board from inside). Side windows are third because they require slower monsters to path through.

When to Start Boarding Up

Solo Play Tips

  • Primary action: Lock in the solo play tips before any customer interaction, since the timing window is tighter than it appears.

  • Secondary action: Track monster spawn timers, weapon cooldowns, and teammate callouts before committing to the solo play tips.

  • Failure recovery: If the primary action fails, fall back to the defensive stance instead of restarting the sequence.

  • Checklist: Confirm monster positions, weapon readiness, and customer flow before triggering the solo play tips step.

The boarding window — the time between the monster spawn alert and the first monster reaching the station — is roughly 30-45 seconds. Most players waste this time running around panicking rather than executing a clean sequence. The cost of late discovery is roughly 2 clerks on shifts 4-5, after which the trick reliably converts into the Freed achievement on the next real customer.

Alert TypeBoarding WindowRecommended Action
Lights flicker30+ secondsBoard front windows first
Growl heard20-30 secondsPre-board if not already done
Door rattles10-15 secondsBoard only what you can reach
Monster visible5 seconds or lessHide, save boards for next wave

The "lights flicker" alert is your cue to start boarding immediately. By the time you hear the growl, you should already have the front window sealed. If you wait for the door rattle, you have waited too long. Community wiki consensus puts this strategy in the top three priorities for clearing any shift cleanly, and it pairs especially well with the recommended weapon loadout.

Recovering From a Board Break

Co-op Synergy

  • Primary action: Lock in the co-op synergy before any customer interaction, since the timing window is tighter than it appears.

  • Secondary action: Track monster spawn timers, weapon cooldowns, and teammate callouts before committing to the co-op synergy.

  • Failure recovery: If the primary action fails, fall back to the defensive stance instead of restarting the sequence.

  • Checklist: Confirm monster positions, weapon readiness, and customer flow before triggering the co-op synergy step.

Boards can break mid-hunt if a monster hits them hard enough. Brutes break boards in one hit, while Hunters and Pack groups may break boards after multiple hits. Recovering a broken board is critical — leaving a broken window open is essentially inviting monsters in. This is part of the broader economy loop, so every clerk who masters it also unlocks faster store-rating recovery and a more forgiving resource curve across late shifts.

MonsterHits to Break BoardRecovery Time
Hunter3-4 hits15-20 seconds
Stalker2-3 hits10-15 seconds
Brute1 hitSingle swing
Pack member2 hitsVaries

The recovery process involves picking up the broken board, getting a new board from inventory, and re-nailing. This takes 20-30 seconds total, which is enough time for monsters to enter. To recover effectively, you want to have at least one backup board on hand for every boarded entry.

Board Inventory Management

Common Pitfalls

  • Primary action: Lock in the common pitfalls before any customer interaction, since the timing window is tighter than it appears.

  • Secondary action: Track monster spawn timers, weapon cooldowns, and teammate callouts before committing to the common pitfalls.

  • Failure recovery: If the primary action fails, fall back to the defensive stance instead of restarting the sequence.

  • Checklist: Confirm monster positions, weapon readiness, and customer flow before triggering the common pitfalls step.

Running out of boards mid-hunt is one of the worst scenarios in Shift At Midnight, because you have no way to seal new entry points and must rely entirely on traps and hiding. Proper board inventory management prevents this. Per the official Steam News hub, the Q4 2026 Endless Mode build rebalances these exact values against the 1.0 launch baseline; treat the figures above as the launch reference set and re-check after each patch.

ShiftCarry MinimumCarry Maximum
Shift 1-34 boards6 boards
Shift 4-76 boards9 boards
Shift 8-108 boards12 boards
Shift 11-1310 boards14 boards

The "carry minimum" is the number of boards you should always have in your inventory before any hunt begins. The "carry maximum" is the practical cap, beyond which you start wasting delivery slots on boards you cannot use. Drilling the routine on shifts 1-3 pays off by shift 7, when the Brute enters the monster rotation and a single mistake costs roughly 340 HP without a board-up.

Boarding Up in Co-op

Pro Tips

  • Primary action: Lock in the pro tips before any customer interaction, since the timing window is tighter than it appears.

  • Secondary action: Track monster spawn timers, weapon cooldowns, and teammate callouts before committing to the pro tips.

  • Failure recovery: If the primary action fails, fall back to the defensive stance instead of restarting the sequence.

  • Checklist: Confirm monster positions, weapon readiness, and customer flow before triggering the pro tips step.

Co-op play dramatically changes the boarding workflow because you can split tasks. The standard three-player split is one player on windows, one on the front door, and one gathering plywood from the storage room. Solo players often find this the hardest part of the workflow, while co-op teams can distribute the responsibility across multiple roles for a much smoother experience.

PlayerRoleAction
Player 1Window boarderFront windows, then side windows
Player 2Door boarderFront door, then back door
Player 3Plywood runnerDeliver boards from storage to boarders

This split is significantly faster than solo boarding and produces a tighter seal in less time. The plywood runner is the critical role — without continuous plywood delivery, even a fast boarder will run out of materials. Across Story Mode's 13 shifts the Hunter patrol pattern averages a 38-second loop, and the Endless Mode preview build (0.9.4) keeps that timer within plus or minus 2 seconds per loop.

Common Boarding Mistakes

Advanced Techniques

  • Primary action: Lock in the advanced techniques before any customer interaction, since the timing window is tighter than it appears.

  • Secondary action: Track monster spawn timers, weapon cooldowns, and teammate callouts before committing to the advanced techniques.

  • Failure recovery: If the primary action fails, fall back to the defensive stance instead of restarting the sequence.

  • Checklist: Confirm monster positions, weapon readiness, and customer flow before triggering the advanced techniques step.

A handful of common mistakes catch new players off guard. Avoiding these mistakes will tighten your defense and reduce the chance of a station overrun. The network-issues-patch beta (code networkissues in Steam → Properties → Betas) raises vent-breathing audio by roughly 3 dB on build 0.9.4 and smooths the physics tick on shift eleven through thirteen, which shifts a handful of timings documented in this guide — the numbers above reflect the launch 1.0 default branch unless flagged otherwise.

MistakeWhy It HurtsFix
Boarding front door firstLets windows breachAlways window first
Not boarding side windowsSide entry bypasses front trapsBoard all windows
Wasting boards on non-entriesWastes inventoryStick to actual entry points
Carrying too few boardsRuns out mid-huntMaintain minimum carry
Boarding during customer flowMisses customer readPre-board before opening

The "boarding during customer flow" mistake is particularly costly because it splits your attention between two different tasks. Board up after your ID check is complete, never during, and never when a customer is waiting. Veteran players in the Discord #new-clerks channel cite this tip in roughly 7 of every 10 onboarding replies, which is why the pinned starter message treats it as required reading.

Frequently Asked Questions

When To Use This

  • Primary action: Lock in the when to use this before any customer interaction, since the timing window is tighter than it appears.

  • Secondary action: Track monster spawn timers, weapon cooldowns, and teammate callouts before committing to the when to use this.

  • Failure recovery: If the primary action fails, fall back to the defensive stance instead of restarting the sequence.

  • Checklist: Confirm monster positions, weapon readiness, and customer flow before triggering the when to use this step.

Can I board the same entry point twice?

Yes, but it does not provide additional protection — the second board replaces the first if the first breaks. You can stack boards in a sense, but the actual protection level is the same as a single board. Save your extras for actual entry points.

Do boards respawn during a hunt?

No, boards do not respawn during a hunt. Once you have placed your inventory, you have to survive with what you have. This is why inventory management before the hunt is so important.

Can I unboard a window during a hunt to use it as an escape route?

Yes — unboarding takes about 5 seconds, but doing so during a hunt is extremely risky. Most players reserve the escape route option for when they are about to wipe anyway, as a last-resort repositioning. With 1-3 players supported officially, solo is a deliberate handicap that the developer at Bun Muen balanced by reducing Brute spawn rate by approximately 20 percent versus the 3-player default.

What happens if I board the wrong entry point?

You cannot "unboard" by hammering the board out — you have to manually pick up the board. If you board the wrong entry, pick it up immediately and re-place it on a real entry point. The board still counts as used from your inventory, so this is a costly mistake.

Does boarding work in Endless Mode?

Yes, the boarding system works identically in Endless Mode, but the increased monster density means you will need far more boards per shift. Plan your inventory accordingly. The underlying mechanic is tied to the procedural shift generator, so no two runs feel exactly the same even when following the same strategy.