French doors are one of the most desirable features in a home, but they come with security trade-offs that solid entry doors do not. The glass panels, the meeting point between the two panels, and standard lock hardware all create vulnerabilities that a determined intruder can exploit. The good news is that each of these weaknesses has a practical fix. This guide covers six methods for securing French doors, ranked so you know where to start.
The most effective ways to make French doors more secure are: reinforce the strike plate with 3-inch screws, upgrade the flush bolts on the inactive door, apply security window film to the glass panels, upgrade to a multipoint locking system, fix exposed hinge vulnerabilities on outswing doors, and install a door security bar as a secondary barrier. Starting with the first two delivers the highest security improvement at the lowest cost.
Why French Doors Are More Vulnerable Than Standard Doors
Before covering the fixes, it helps to understand which parts of a French door are actually vulnerable and why. French doors have three specific weak points that solid entry doors do not share, and addressing all three is what makes a security upgrade meaningful rather than cosmetic.
The Meeting Point Between the Two Panels
The astragal is the vertical strip where the two door panels meet, and it is the most frequently exploited weakness in a French door set. On most French doors, the inactive panel is held by flush bolts at the top and bottom. If those bolts are small, shallow, or poorly installed, a pry bar applied to the meeting point can separate the two doors without touching the deadbolt at all. This is why flush bolt quality and multipoint locking matter more on French doors than they do on a standard single entry door.
The Glass Panels
Glass covers 60 to 100 percent of a French door face. An intruder who breaks a pane near the lock can reach through and unlock the door from the inside in seconds. This is the vulnerability that a standard deadbolt alone cannot address, because the bolt itself remains intact while the door is opened from around it. Fixing the glass vulnerability requires either security film, laminated glass, or a locking strategy that does not depend on thumb-turn access from the inside.
Exposed Hinges on Outswing French Doors
French doors that open outward have their hinges on the exterior side of the door. On standard hinge designs, the pin runs through both leaves and can sometimes be removed with basic tools, allowing the door to be lifted off its hinges entirely without engaging any lock. Inswing French doors do not have this problem because the hinges are interior-facing and protected. Outswing installations need a hinge security solution as an additional measure beyond the lock hardware.
6 Methods for Securing French Doors, Ranked
The six methods below are arranged by a combination of cost, DIY difficulty, and security impact. Starting at the top of the list gives the most security improvement for the least investment. Working through all six builds layered protection that addresses every major vulnerability in a typical exterior French door installation.
Security Method Comparison
| Method | DIY Difficulty | Approx. Cost | Security Impact | Best For |
|---|---|---|---|---|
| 1. Reinforce strike plate with 3-inch screws | Easy | Under $25 | High — prevents kick-in | All French doors — start here |
| 2. Upgrade inactive door flush bolts | Easy–Moderate | $20 – $80 | High — secures astragal meeting point | French doors with weak or shallow bolts |
| 3. Apply security window film | Easy | $30 – $150 | Moderate–High — slows glass breach | All exterior French doors with glass |
| 4. Upgrade to multipoint lock | Moderate–Hard | $150 – $500 | Very High — best lock solution | New doors or full hardware replacement |
| 5. Fix hinge vulnerabilities | Easy–Moderate | $10 – $40 | High — prevents hinge removal | Outswing French doors only |
| 6. Add door security bar | Easy | $25 – $100 | High — physical secondary barrier | Interior side; secondary overnight lock |
Methods 1 and 2 are the highest-priority starting points because they address the two most common forced entry vulnerabilities at very low cost and without requiring professional installation. Method 4, the multipoint lock upgrade, delivers the strongest lock-level protection but is better suited to new door installations or full hardware replacements.
Method 4, the multipoint lock upgrade, delivers the strongest lock-level protection but is better suited to new door installations or full hardware replacements.
Methods 3, 5, and 6 add valuable secondary layers and are most effective when combined with the foundational upgrades in methods 1 and 2.
Method 1: Reinforce the Strike Plate
This is the single highest-value, lowest-cost improvement available for any exterior French door, and it takes under 30 minutes with a drill and screwdriver. The standard strike plate on most doors ships with screws that are three-quarters of an inch long. Those screws grip only the door jamb, not the structural wall framing behind it.
Why the Standard Strike Plate Fails
A single forceful kick transfers energy directly to the strike plate. With short screws gripping only the jamb, the jamb splits away from the wall framing in one or two impacts. Replacing the standard plate with a reinforced box strike or a door frame reinforcement kit, secured with 3-inch screws that reach the wall studs, distributes that force across structural framing instead. Independent testing has shown this upgrade can dramatically increase the force required to kick in a door, making it one of the most cost-effective security improvements available.
How to Do It
Remove the existing strike plate and measure the screw hole depth. Install a reinforced box strike using 3-inch screws at each hole, driving them through the jamb and into the wall studs behind it. Apply the same upgrade to the inactive door flush bolt strikes at the top and bottom of the frame. The entire job requires a drill, a screwdriver, and a reinforced strike plate kit available at most hardware stores for under $25. For the deadbolt strike, look for ANSI Grade 1 hardware, which carries the highest residential security rating.
Method 2: Secure the Inactive Door with Quality Flush Bolts
The inactive door panel is the most overlooked vulnerability in French door security. Most homeowners focus entirely on the active door lock and give little thought to how the passive panel is held in place. Improving the inactive door is often what makes the difference between a door that resists prying at the meeting point and one that does not.
What Weak Flush Bolts Look Like
Builder-grade flush bolts typically have a bolt throw of three-eighths of an inch engaging into a shallow hole bored into wood. That connection provides minimal resistance against lateral prying force applied to the astragal. The upgrade is replacing these bolts with heavy-duty flush bolts that have a minimum three-quarter-inch throw and engage into a metal strike plate or metal receiver embedded in the frame header and threshold, rather than bare wood.
The Permanent Passive Door Fix
If you rarely use both panels, the simplest and most secure option is to fix the passive door permanently. This is done by driving a small screw through the flush bolt mechanism so that the bolts cannot be retracted without removing the screw. The passive door effectively becomes a fixed panel, and the entire lock burden shifts to the active door with a properly rated deadbolt. This approach takes minutes, costs nothing beyond a single screw, and eliminates the astragal meeting point as an attack vector entirely.
See more: Are French Doors More Secure Than Sliding Doors? A Full Comparison
Method 3: Apply Security Window Film to the Glass Panels
Glass is the defining design element of French doors, and it is also the easiest component to defeat. Security window film does not make glass unbreakable, but it fundamentally changes how glass behaves when it is struck, and that difference is significant when it comes to how long a forced entry attempt takes.
How Security Film Works
Clear polyester security film applied to the interior glass surface holds shattered glass shards together when the pane is broken. Instead of falling away cleanly and creating a passable opening, the broken pane remains bonded to the film in a crumpled but largely intact sheet. Forcing through this material takes considerably more time, noise, and physical effort than breaking a standard unfilmed pane. Most residential burglaries are opportunistic and time-sensitive, and film adds enough friction and noise to deter a significant percentage of attempts.
Film vs Laminated Glass
Security film is a retrofit solution that can be applied to existing glass. Laminated glass, which bonds a plastic interlayer between two glass panes during manufacturing, is the factory-installed equivalent and is substantially more resistant than film. If replacing French doors, specifying laminated glass is the stronger long-term choice. For existing doors, 4 to 8 mil safety film from brands such as 3M or LLumar provides useful deterrence at a fraction of the cost of glass replacement.
Method 4: Upgrade to a Multipoint Lock System
A standard deadbolt secures the active French door panel at one point. A multipoint lock secures it at three or more points simultaneously, engaging hook bolts or flush bolts into the frame at the top, center, and bottom of the door edge with a single key turn. This is the most comprehensive lock upgrade available for exterior French doors and is standard equipment on high-quality US door brands including Andersen, Marvin, Pella, and ProVia.
How Multipoint Locks Work
Lifting the door handle pre-tensions all locking points. Turning the key or interior thumb-turn drives them simultaneously into the frame. The door is secured along its full height rather than at a single center point, which prevents prying at the meeting point and significantly increases resistance to kick-in attacks. Because the force of a kick is distributed across multiple engagement points rather than concentrated at one, multipoint locks are substantially harder to defeat than standard single-bolt systems.
Deadbolt Grades: What ANSI/BHMA Ratings Mean for US Homeowners
ANSI/BHMA Grade 1 is the highest residential deadbolt rating in the US. It requires a minimum 1-inch bolt throw and must withstand rigorous cycle and impact testing. Grade 2 is acceptable for most residential security applications. Grade 3 is builder-grade and is not recommended for exterior doors where security is a concern. When upgrading French door hardware, specifying Grade 1 or Grade 2 hardware is the practical standard for any exterior application.
A Safety Warning About Double-Cylinder Deadbolts
A double-cylinder deadbolt requires a key to unlock from both inside and outside, which prevents an intruder from reaching through a broken glass panel to unlock the door from inside. However, this creates a serious fire egress hazard: if you cannot locate the key during an emergency, the door cannot be opened from inside.
Many US jurisdictions restrict or prohibit double-cylinder deadbolts on primary egress doors. For most homeowners, a single-cylinder deadbolt - key outside, thumb-turn inside, is the safer and code-compliant standard. Check local building codes before installing a double-cylinder lock on any door used for emergency exit.
See more: How Much Does a French Door Cost? Tips to Save Your Money
Looking for French doors with multipoint locking built in? Browse the collection at Doors and Beyond: Shop French Doors at Doors and Beyond
Method 5: Fix Hinge Vulnerabilities on Outswing French Doors
This method applies specifically to French doors that open outward. Inswing doors have hinges on the interior side, fully protected, and do not need this step. On outswing French doors, the hinge hardware sits on the exterior and can present a bypass point if the pins are removable.
Security Pins, Non-Removable Hinges, and Hinge Studs
Three options address exposed hinge vulnerability. The first is replacing the standard hinge pins with security set-screw pins that lock in place and cannot be driven out from outside. The second is installing hinges with non-removable pins built into the design. The third and most universally effective option is installing hinge security studs — small metal projections on one hinge leaf that engage corresponding holes on the opposing leaf when the door is closed. Even if the hinge pin is removed, the stud keeps the door engaged in the frame. This last option can be retrofitted onto most existing hinges without replacing them and costs between $10 and $30 for a full set.
Method 6: Add a Door Security Bar
A door security bar provides a physical secondary barrier that operates independently of the lock hardware. It requires no drilling, no modification to the door or frame, and can be removed when not in use. For overnight security or for homeowners who want a backup to their primary lock system, it is the lowest-effort addition in this guide.
How Security Bars Work on French Doors
A floor-braced security bar wedges between the door handles and the floor at an angle, preventing the doors from being pushed inward regardless of whether the lock is engaged. Some models include a floor bracket that keeps the bar in position and prevents it from being kicked free. For outswing French doors, a door barricade bar that hooks under the handles and braces against the threshold serves the same function. Neither approach replaces the primary lock system, but both substantially increase the effort and noise required to breach a locked door, which is often enough to redirect a burglar to an easier target.
See more: Should Patio Doors Swing In or Out? What Homeowners Need to Know
French Door Security Checklist
Use this checklist to assess the current security status of your French doors and identify which upgrades to prioritize. Any item marked as needing attention represents a specific vulnerability that can be addressed with the methods described in this guide.
| Security Element | What to Check | Fix If Needed |
|---|---|---|
| Strike plate screws | Are screws at least 3 inches long, reaching wall studs? | Replace with 3-inch screws and a reinforced box strike plate |
| Inactive door flush bolts | Do bolts throw at least 3/4 inch into a metal strike or receiver? | Upgrade to heavy-duty flush bolts or permanently fix the passive door |
| Active door deadbolt | Is it ANSI Grade 1 or Grade 2 with a 1-inch minimum throw? | Upgrade deadbolt; consider multipoint lock for highest protection |
| Glass panel protection | Is security film or laminated glass installed? | Apply 4 to 8 mil safety film to interior glass surface |
| Hinge security (outswing) | Are hinge pins on the exterior and removable? | Install security pins, non-removable hinges, or hinge security studs |
| Secondary barrier | Is a security bar or barricade bar in place? | Install a floor-brace bar or handle barricade bar on the interior side |
| Lock type | Is there only a single deadbolt at the center? | Upgrade to a multipoint lock for full-height frame engagement |
| Door sensors or alarm | Are glass break or door contact sensors installed? | Add sensors to home security system or install standalone glass break sensor |
The top three items in the checklist, strike plate screws, inactive door flush bolts, and deadbolt grade, represent the foundation of French door security and should be addressed first. They are also the least expensive and easiest to complete. The remaining items build additional layers of protection that are most valuable when the foundational elements are already in place.
Final Thoughts
French doors are not inherently insecure, but they require more deliberate security planning than solid entry doors. Reinforcing the strike plate and securing the inactive door flush bolts addresses the most common forced entry points at very low cost. Adding security film, upgrading the lock system, and securing exposed hinges on outswing doors builds a layered defense that makes French doors a far less appealing target.
Shopping for French doors with built-in security features? Browse the full range at Doors and Beyond: Shop French Doors at Doors and Beyond.
How to Make French Doors More Secure: 6 Methods Ranked by Cost and Effectiveness
French doors are one of the most desirable features in a home, but they come with security trade-offs that solid entry doors do not. The glass panels, the meeting point between the two panels, and standard lock hardware all create vulnerabilities that a determined intruder can exploit. The good news is that each of these weaknesses has a practical fix. This guide covers six methods for securing French doors, ranked so you know where to start.
The most effective ways to make French doors more secure are: reinforce the strike plate with 3-inch screws, upgrade the flush bolts on the inactive door, apply security window film to the glass panels, upgrade to a multipoint locking system, fix exposed hinge vulnerabilities on outswing doors, and install a door security bar as a secondary barrier. Starting with the first two delivers the highest security improvement at the lowest cost.
Why French Doors Are More Vulnerable Than Standard Doors
Before covering the fixes, it helps to understand which parts of a French door are actually vulnerable and why. French doors have three specific weak points that solid entry doors do not share, and addressing all three is what makes a security upgrade meaningful rather than cosmetic.
The Meeting Point Between the Two Panels
The astragal is the vertical strip where the two door panels meet, and it is the most frequently exploited weakness in a French door set. On most French doors, the inactive panel is held by flush bolts at the top and bottom. If those bolts are small, shallow, or poorly installed, a pry bar applied to the meeting point can separate the two doors without touching the deadbolt at all. This is why flush bolt quality and multipoint locking matter more on French doors than they do on a standard single entry door.
The Glass Panels
Glass covers 60 to 100 percent of a French door face. An intruder who breaks a pane near the lock can reach through and unlock the door from the inside in seconds. This is the vulnerability that a standard deadbolt alone cannot address, because the bolt itself remains intact while the door is opened from around it. Fixing the glass vulnerability requires either security film, laminated glass, or a locking strategy that does not depend on thumb-turn access from the inside.
Exposed Hinges on Outswing French Doors
French doors that open outward have their hinges on the exterior side of the door. On standard hinge designs, the pin runs through both leaves and can sometimes be removed with basic tools, allowing the door to be lifted off its hinges entirely without engaging any lock. Inswing French doors do not have this problem because the hinges are interior-facing and protected. Outswing installations need a hinge security solution as an additional measure beyond the lock hardware.
6 Methods for Securing French Doors, Ranked
The six methods below are arranged by a combination of cost, DIY difficulty, and security impact. Starting at the top of the list gives the most security improvement for the least investment. Working through all six builds layered protection that addresses every major vulnerability in a typical exterior French door installation.
Security Method Comparison
| Method | DIY Difficulty | Approx. Cost | Security Impact | Best For |
|---|---|---|---|---|
| 1. Reinforce strike plate with 3-inch screws | Easy | Under $25 | High — prevents kick-in | All French doors — start here |
| 2. Upgrade inactive door flush bolts | Easy–Moderate | $20 – $80 | High — secures astragal meeting point | French doors with weak or shallow bolts |
| 3. Apply security window film | Easy | $30 – $150 | Moderate–High — slows glass breach | All exterior French doors with glass |
| 4. Upgrade to multipoint lock | Moderate–Hard | $150 – $500 | Very High — best lock solution | New doors or full hardware replacement |
| 5. Fix hinge vulnerabilities | Easy–Moderate | $10 – $40 | High — prevents hinge removal | Outswing French doors only |
| 6. Add door security bar | Easy | $25 – $100 | High — physical secondary barrier | Interior side; secondary overnight lock |
Methods 1 and 2 are the highest-priority starting points because they address the two most common forced entry vulnerabilities at very low cost and without requiring professional installation. Method 4, the multipoint lock upgrade, delivers the strongest lock-level protection but is better suited to new door installations or full hardware replacements.
Method 4, the multipoint lock upgrade, delivers the strongest lock-level protection but is better suited to new door installations or full hardware replacements.
Methods 3, 5, and 6 add valuable secondary layers and are most effective when combined with the foundational upgrades in methods 1 and 2.
Method 1: Reinforce the Strike Plate
This is the single highest-value, lowest-cost improvement available for any exterior French door, and it takes under 30 minutes with a drill and screwdriver. The standard strike plate on most doors ships with screws that are three-quarters of an inch long. Those screws grip only the door jamb, not the structural wall framing behind it.
Why the Standard Strike Plate Fails
A single forceful kick transfers energy directly to the strike plate. With short screws gripping only the jamb, the jamb splits away from the wall framing in one or two impacts. Replacing the standard plate with a reinforced box strike or a door frame reinforcement kit, secured with 3-inch screws that reach the wall studs, distributes that force across structural framing instead. Independent testing has shown this upgrade can dramatically increase the force required to kick in a door, making it one of the most cost-effective security improvements available.
How to Do It
Remove the existing strike plate and measure the screw hole depth. Install a reinforced box strike using 3-inch screws at each hole, driving them through the jamb and into the wall studs behind it. Apply the same upgrade to the inactive door flush bolt strikes at the top and bottom of the frame. The entire job requires a drill, a screwdriver, and a reinforced strike plate kit available at most hardware stores for under $25. For the deadbolt strike, look for ANSI Grade 1 hardware, which carries the highest residential security rating.
Method 2: Secure the Inactive Door with Quality Flush Bolts
The inactive door panel is the most overlooked vulnerability in French door security. Most homeowners focus entirely on the active door lock and give little thought to how the passive panel is held in place. Improving the inactive door is often what makes the difference between a door that resists prying at the meeting point and one that does not.
What Weak Flush Bolts Look Like
Builder-grade flush bolts typically have a bolt throw of three-eighths of an inch engaging into a shallow hole bored into wood. That connection provides minimal resistance against lateral prying force applied to the astragal. The upgrade is replacing these bolts with heavy-duty flush bolts that have a minimum three-quarter-inch throw and engage into a metal strike plate or metal receiver embedded in the frame header and threshold, rather than bare wood.
The Permanent Passive Door Fix
If you rarely use both panels, the simplest and most secure option is to fix the passive door permanently. This is done by driving a small screw through the flush bolt mechanism so that the bolts cannot be retracted without removing the screw. The passive door effectively becomes a fixed panel, and the entire lock burden shifts to the active door with a properly rated deadbolt. This approach takes minutes, costs nothing beyond a single screw, and eliminates the astragal meeting point as an attack vector entirely.
See more: Are French Doors More Secure Than Sliding Doors? A Full Comparison
Method 3: Apply Security Window Film to the Glass Panels
Glass is the defining design element of French doors, and it is also the easiest component to defeat. Security window film does not make glass unbreakable, but it fundamentally changes how glass behaves when it is struck, and that difference is significant when it comes to how long a forced entry attempt takes.
How Security Film Works
Clear polyester security film applied to the interior glass surface holds shattered glass shards together when the pane is broken. Instead of falling away cleanly and creating a passable opening, the broken pane remains bonded to the film in a crumpled but largely intact sheet. Forcing through this material takes considerably more time, noise, and physical effort than breaking a standard unfilmed pane. Most residential burglaries are opportunistic and time-sensitive, and film adds enough friction and noise to deter a significant percentage of attempts.
Film vs Laminated Glass
Security film is a retrofit solution that can be applied to existing glass. Laminated glass, which bonds a plastic interlayer between two glass panes during manufacturing, is the factory-installed equivalent and is substantially more resistant than film. If replacing French doors, specifying laminated glass is the stronger long-term choice. For existing doors, 4 to 8 mil safety film from brands such as 3M or LLumar provides useful deterrence at a fraction of the cost of glass replacement.
Method 4: Upgrade to a Multipoint Lock System
A standard deadbolt secures the active French door panel at one point. A multipoint lock secures it at three or more points simultaneously, engaging hook bolts or flush bolts into the frame at the top, center, and bottom of the door edge with a single key turn. This is the most comprehensive lock upgrade available for exterior French doors and is standard equipment on high-quality US door brands including Andersen, Marvin, Pella, and ProVia.
How Multipoint Locks Work
Lifting the door handle pre-tensions all locking points. Turning the key or interior thumb-turn drives them simultaneously into the frame. The door is secured along its full height rather than at a single center point, which prevents prying at the meeting point and significantly increases resistance to kick-in attacks. Because the force of a kick is distributed across multiple engagement points rather than concentrated at one, multipoint locks are substantially harder to defeat than standard single-bolt systems.
Deadbolt Grades: What ANSI/BHMA Ratings Mean for US Homeowners
ANSI/BHMA Grade 1 is the highest residential deadbolt rating in the US. It requires a minimum 1-inch bolt throw and must withstand rigorous cycle and impact testing. Grade 2 is acceptable for most residential security applications. Grade 3 is builder-grade and is not recommended for exterior doors where security is a concern. When upgrading French door hardware, specifying Grade 1 or Grade 2 hardware is the practical standard for any exterior application.
A Safety Warning About Double-Cylinder Deadbolts
A double-cylinder deadbolt requires a key to unlock from both inside and outside, which prevents an intruder from reaching through a broken glass panel to unlock the door from inside. However, this creates a serious fire egress hazard: if you cannot locate the key during an emergency, the door cannot be opened from inside.
Many US jurisdictions restrict or prohibit double-cylinder deadbolts on primary egress doors. For most homeowners, a single-cylinder deadbolt - key outside, thumb-turn inside, is the safer and code-compliant standard. Check local building codes before installing a double-cylinder lock on any door used for emergency exit.
See more: How Much Does a French Door Cost? Tips to Save Your Money
Looking for French doors with multipoint locking built in? Browse the collection at Doors and Beyond: Shop French Doors at Doors and Beyond
Method 5: Fix Hinge Vulnerabilities on Outswing French Doors
This method applies specifically to French doors that open outward. Inswing doors have hinges on the interior side, fully protected, and do not need this step. On outswing French doors, the hinge hardware sits on the exterior and can present a bypass point if the pins are removable.
Security Pins, Non-Removable Hinges, and Hinge Studs
Three options address exposed hinge vulnerability. The first is replacing the standard hinge pins with security set-screw pins that lock in place and cannot be driven out from outside. The second is installing hinges with non-removable pins built into the design. The third and most universally effective option is installing hinge security studs — small metal projections on one hinge leaf that engage corresponding holes on the opposing leaf when the door is closed. Even if the hinge pin is removed, the stud keeps the door engaged in the frame. This last option can be retrofitted onto most existing hinges without replacing them and costs between $10 and $30 for a full set.
Method 6: Add a Door Security Bar
A door security bar provides a physical secondary barrier that operates independently of the lock hardware. It requires no drilling, no modification to the door or frame, and can be removed when not in use. For overnight security or for homeowners who want a backup to their primary lock system, it is the lowest-effort addition in this guide.
How Security Bars Work on French Doors
A floor-braced security bar wedges between the door handles and the floor at an angle, preventing the doors from being pushed inward regardless of whether the lock is engaged. Some models include a floor bracket that keeps the bar in position and prevents it from being kicked free. For outswing French doors, a door barricade bar that hooks under the handles and braces against the threshold serves the same function. Neither approach replaces the primary lock system, but both substantially increase the effort and noise required to breach a locked door, which is often enough to redirect a burglar to an easier target.
See more: Should Patio Doors Swing In or Out? What Homeowners Need to Know
French Door Security Checklist
Use this checklist to assess the current security status of your French doors and identify which upgrades to prioritize. Any item marked as needing attention represents a specific vulnerability that can be addressed with the methods described in this guide.
| Security Element | What to Check | Fix If Needed |
|---|---|---|
| Strike plate screws | Are screws at least 3 inches long, reaching wall studs? | Replace with 3-inch screws and a reinforced box strike plate |
| Inactive door flush bolts | Do bolts throw at least 3/4 inch into a metal strike or receiver? | Upgrade to heavy-duty flush bolts or permanently fix the passive door |
| Active door deadbolt | Is it ANSI Grade 1 or Grade 2 with a 1-inch minimum throw? | Upgrade deadbolt; consider multipoint lock for highest protection |
| Glass panel protection | Is security film or laminated glass installed? | Apply 4 to 8 mil safety film to interior glass surface |
| Hinge security (outswing) | Are hinge pins on the exterior and removable? | Install security pins, non-removable hinges, or hinge security studs |
| Secondary barrier | Is a security bar or barricade bar in place? | Install a floor-brace bar or handle barricade bar on the interior side |
| Lock type | Is there only a single deadbolt at the center? | Upgrade to a multipoint lock for full-height frame engagement |
| Door sensors or alarm | Are glass break or door contact sensors installed? | Add sensors to home security system or install standalone glass break sensor |
The top three items in the checklist, strike plate screws, inactive door flush bolts, and deadbolt grade, represent the foundation of French door security and should be addressed first. They are also the least expensive and easiest to complete. The remaining items build additional layers of protection that are most valuable when the foundational elements are already in place.
Final Thoughts
French doors are not inherently insecure, but they require more deliberate security planning than solid entry doors. Reinforcing the strike plate and securing the inactive door flush bolts addresses the most common forced entry points at very low cost. Adding security film, upgrading the lock system, and securing exposed hinges on outswing doors builds a layered defense that makes French doors a far less appealing target.
Shopping for French doors with built-in security features? Browse the full range at Doors and Beyond: Shop French Doors at Doors and Beyond.
