What Is Everyday Physical Security Hygiene? (Habits)

Everyday physical security hygiene is the set of small habits that control who can enter your home and when. It means locking doors and accessible windows, tracking keys and access codes, checking that locks work, and fixing weak points. Good habits should reduce routine unauthorized entry without making a required exit hard to use.

Security does not depend on one lock or one device. It depends on ordinary choices repeated consistently: closing a door fully, checking that it latched, and removing access when a key holder no longer needs it. I treat these habits as part of home maintenance, not as a substitute for sound doors, frames, and hardware.

A useful routine should be simple enough to follow when you are tired or in a hurry. It should also work for everyone who lives in the home. Most important, it must never turn a required exit into an obstacle during an emergency.

Plan a Routine Access-Control Survey

An access-control survey is a room-by-room check of entry points and the people or services that can use them. Start with every exterior door, accessible window, and door between an attached garage and the house. Record who has keys, codes, or other approved access, then note any door or window that does not close or lock as intended.

Walk the outside and inside of the home. Include basement and ground-floor windows that can be reached from grade, as well as doors used by family, visitors, or service workers. A simple list is more useful than relying on memory.

For each opening, record its location, type of lock, condition, and how it is used. Do not assume a lock works because its key turns. Check that the door or window closes fully and that the lock engages without unusual force.

Then make an access list. Include household members, trusted helpers, contractors, and any current temporary access codes. Write down the date a key or code was issued and when access should end. Keep this record private and secure.

• Entry point: Does it close and latch fully?
• Access method: Key, code, or another approved method?
• Access holder: Who has permission now?
• Follow-up: Is repair, code removal, or key recovery needed?

The survey is a snapshot, not a one-time task. Repeat it after a move, renovation, change in household, or period when someone outside the household had access.

Preserve Door, Window, and Egress Clearances

Egress means a safe route out of the home during an emergency. Security habits and hardware must not block that route. Before adding a secondary lock, bar, or other device, check the locally adopted building and fire codes and confirm that occupants can open required exits as the rules require.

The 2021 International Residential Code (IRC), section R311.2, sets dimensions for the required egress door: at least 32 inches (813 mm) of clear width and 78 inches (1,981 mm) of clear height when the door is open 90 degrees. Local code editions and amendments vary, so verify which rules apply where you live.

Where the applicable code requires it, the required egress door must be readily openable from inside without a key, tool, or special knowledge. A security device that adds steps or needs a key from the inside can create a serious hazard. Do not store furniture, boxes, or gear where they narrow or block an exit path.

Check windows and other exits with the same care. Do not assume a window is a code-required escape opening simply because it opens; requirements depend on location and building details. If you are unsure whether an opening is required for egress, ask your local building department or a qualified professional before changing it.

• Keep required exit doors and paths clear.
• Make sure household members know how to open each required exit.
• Do not add a lock or bar that conflicts with egress rules.
• Recheck exits after moving furniture or installing hardware.

Apply Locks and Key-Control Habits

Access control means deciding who can enter and keeping that permission current. Lock doors and accessible windows when leaving and before retiring, while preserving any required means of escape. Keep keys under control, and remove old codes or rekey locks when access should end.

For exterior doors, choose hardware suited to the door and its use. A deadbolt certified to ANSI/BHMA A156.36, Grade 1, is one option where available; this is a hardware performance grade, not a building-code requirement. A deadbolt with at least a 1-inch (25.4 mm) throw may be suitable when the door and strike are compatible. Follow the maker’s instructions.

A strike is the plate in the frame that receives the bolt. Install it using the supplied, manufacturer-approved fasteners and method. Longer screws are not automatically safer. Confirm that the frame can support the installation, and avoid drilling where wiring, plumbing, or other services may be concealed. Repair a loose strike or damaged frame rather than relying on a lock mounted to weak material.

A cylinder is the part of a lock that accepts the key. If your threat assessment calls for added resistance to attacks on key locks, consider a product listed to UL 437. That listing does not replace correct installation or careful key control.

When someone’s access ends, collect any keys they hold. If keys are missing or cannot be returned after a change in occupancy or trusted access, consider rekeying or replacing the lock. Remove obsolete access codes promptly. Do not share codes more widely than needed, and avoid sharing detailed absence plans in public.

Verify Operation and Review Access

Verification means testing each lock and exit as part of a regular routine, rather than assuming yesterday’s setup still works. Check that doors close, latches engage, deadbolts extend fully, and windows lock. If a lock sticks or a door needs force, address the cause instead of treating the problem as normal.

Use a simple schedule that matches how your household uses the home. A quick check at departure and bedtime can catch an unlocked opening. A more complete review once a month can reveal wear, forgotten codes, or a change in who has access.

Check	When	What to confirm
Exterior doors	Leaving and bedtime	Door is closed, latched, and locked
Accessible windows	Leaving and bedtime	Window is closed and lock engages
Door and strike	Monthly	No loose parts, visible damage, or binding
Keys and codes	After access changes; review monthly	Permission is current; old access is removed
Required exits	Monthly and after room changes	Clear path; opens as required by local code

When testing a lock, do not force it. Misalignment, a loose hinge, or a damaged frame can cause binding. If adjustment or repair goes beyond a simple manufacturer-approved fix, use a qualified locksmith or contractor.

Everyday scenarios: applying the routine

These examples show how to use the steps; they are not reports of measured break-in outcomes.

• After a contractor finishes: Confirm whether a key or code was issued. Collect the key or remove the code if access is no longer needed. If a key cannot be recovered, consider rekeying.
• A door sticks at night: Do not accept a lock that works only when the door is pushed or lifted. Check for a fit or hardware issue and arrange repair. A lock that does not engage reliably is not a dependable part of the routine.
• A household adds a second lock: Check whether it changes how occupants open a required exit. If it needs a key, tool, or extra steps from inside where local rules prohibit that, do not use it on that exit.

These situations point to a practical rule: access habits, hardware condition, and safe exit all belong in the same review.

Build a Routine That People Can Follow

A security routine is a short, repeatable sequence for checking the home. Keep it clear enough that every household member can follow it. A written checklist by the door can help, but it should not reveal sensitive access details to visitors.

I recommend choosing one cue for the check, such as the last person leaving or the household’s bedtime routine. Then assign responsibility when several people share the home. A routine with no clear owner is easy to skip.

• At departure: Close and lock exterior doors; check accessible windows.
• At bedtime: Confirm exterior doors are locked and exit routes remain clear.
• After a change: Update keys and codes when occupancy or trusted access changes.
• Each month: Test locks, inspect strikes and frames, and review the access list.

Keep the steps consistent, but do not let a checklist override an urgent need to leave. If an emergency occurs, follow the home’s emergency plan and use the safest available exit.

Conclusion and Frequently Asked Questions

Physical security hygiene is the daily control of entry points, keys, codes, and lock condition. The strongest routine is one people can repeat without blocking emergency egress. Start with a survey, fix faults, control access, then review the system after changes and on a regular schedule.

How often should I check my exterior doors and windows?
Check them when leaving and before retiring. Inspect hardware and access permissions at least monthly, and after a change in household access.

Should I lock windows when I am home?
Lock accessible windows when leaving or retiring if doing so does not interfere with a required exit or emergency plan. Follow applicable code requirements for escape openings.

What does Grade 1 mean for a deadbolt?
It is a hardware performance grade under the applicable ANSI/BHMA standard. It is not, by itself, a building-code requirement or a guarantee against every attack.

Is a 1-inch deadbolt throw required by code?
Not as a general rule under the guidance described here. A throw of at least 1 inch (25.4 mm) may be a suitable selection when the lock, door, and strike are compatible and the manufacturer allows it.

Are longer strike screws always better?
No. Use the manufacturer-approved fasteners and method. Confirm sound framing engagement and check for concealed services before drilling.

When should I rekey a lock?
Consider rekeying when keys are lost, cannot be returned, or access changes in a way that makes old keys untrusted. A locksmith can advise whether rekeying is suitable for the lock.

What is UL 437?
UL 437 is a standard that covers key locks. A product listed to it may be considered when the threat assessment warrants it, but listing does not replace good installation or key control.

Can I add a security bar to a door?
Only if the device is allowed by local rules and does not obstruct required egress. A required exit must remain usable as the applicable code requires.

Do I need to change access codes after a service visit?
Remove a temporary code when the agreed access period ends. If a code was shared more broadly than intended, update it and share the new one only with people who need access.

What should I do if a lock sticks?
Do not force it or ignore the problem. Check for obvious obstruction, then arrange repair if the door, frame, or lock remains misaligned or unreliable.

(This article was written by one of our staff writers, Garrett Vance. Visit our Meet the Team page.)