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What Security Pet Door Installation Covers

Security pet door installation is the job of giving a pet its own access while keeping the home secure, by fitting a pet door into a tested security screen rather than into the main door or a flimsy surface. It covers fitting a purpose-made pet door into an existing security screen, supplying a new security screen door with a pet door already built in, and the microchip and lockable units that add control. The whole point is to let the cat or dog come and go without turning the opening into the weak link in the home's defences. This page is the New South Wales guide to doing exactly that, and it sits alongside the general pet door installation guide, which covers the wider range of surfaces and door types. It is written for the security-minded pet owner, the one who has fitted security screens and does not want to undo them for a flap.

The aim is to make the integration, the risks and the prices clear enough to brief a job and compare quotes. The reason this is a topic of its own is that an ordinary pet door and security pull in opposite directions. A pet door is, by definition, a permanent opening in the building, and a security screen exists to stop openings being used by anyone but the household, so putting one into the other has to be done carefully or it defeats the purpose. The skill is in having the access without opening a gap an intruder or an unwanted animal can use.

That balance is what security pet door installation is about. The preferred approach is almost always to fit the pet door into a security screen, not the main door. A solid entry or sliding door with a hole cut in it is weakened and leaves a gap straight into the house, whereas a tested security screen with a properly integrated pet door keeps the screen across the opening doing its job, with the pet passing through a controlled unit. This ties the work directly to the wider security doors and screens on the home. The security screen, not the pet door, is what holds the opening. The integration has to be done with a unit made for the job, which is the heart of getting it right.

Security-screen makers produce pet door units designed to fit into their screens without destroying the strength of the mesh and frame, so the screen keeps its tested rating, whereas a generic flap hacked into a security mesh wrecks the very protection the screen was bought for. The difference between a purpose-made integrated unit and a hacked-in flap is the difference between a secure result and a compromised one. Choosing the right unit is the single most important decision here. Choosing a unit made to integrate with a tested screen, rather than a generic flap, is the decision the whole job turns on. Everything else, the size, the placement and the locking, builds on that first choice.

Beyond the integration, the job covers the choices that keep the opening secure in use. Sizing the door no larger than the pet needs, placing it away from the screen's lock, choosing a microchip unit so only your pet passes, and adding a lockable panel for night or when away are all part of a security pet door done properly. These are the details that separate a pet door that preserves the home's security from one that quietly undermines it, and they connect to the home's wider home security. The unit, the size, the placement and the locking together make the difference.

How a Pet Door Becomes a Security Weak Point

Understanding how a pet door can be exploited is the key to fitting one that is not. A pet door is a permanent hole in the building, and there are three main ways it can become a weak point, each of which the design has to address. An intruder can reach through it to a lock, climb through it if it is large enough, or simply use it as a gap if it is cut into a surface that was meant to keep people out. A flap cut into a solid door or a tested screen weakens the very thing holding the opening. The surface a pet door goes into is therefore a security decision in its own right.

Knowing these three risks is what lets a security pet door be designed to avoid them. None of the three is hard to defeat once you know it is there, which is why a thinking installer matters. The risks are designed out at the planning stage, not patched afterward. The reach-through risk is the most common and the most overlooked. If a pet door is positioned within arm's reach of the door's lock or latch, an intruder can put an arm through the flap and unlock the door from inside, defeating the lock entirely, which is why placement away from the locking point matters so much.

A deadlock that needs a key both sides, and a pet door sited well clear of it, both reduce this, and the property-security guidance from the NSW Police Force regularly notes letterboxes and pet doors as reach-through points. A pet door next to the handle is the classic mistake. The climb-through risk applies to larger pet doors, and it is more real than people assume. A pet door big enough for a large dog can be big enough for a child or a slim adult to climb through, especially low in an accessible door, so the size has to be matched tightly to the pet and not oversized for convenience. A large-dog door is the one to think hardest about, since the bigger the opening, the more it becomes a human-sized hole. Sizing strictly to the animal is the main defence against this.

The third risk is the simplest, that the pet door is cut into something that was holding the opening. A flap cut into a solid entry door weakens that door and creates a gap straight into the house, and a flap hacked into a tested security screen destroys the screen's strength, so the surface the pet door goes into is itself a security decision. Fitting the pet door into a security screen, with a unit made for it, keeps a strong barrier across the opening, which a hole in the main door does not. The surface matters as much as the door.

Where an opening is genuinely high-risk, some owners pair the security screen and pet door with a roller shutter installation that closes over it at night. The shutter removes the opening entirely when it is down, with the pet door used by day. Unwanted animals are the other intrusion a plain pet door allows, and in NSW that is a genuine issue. A plain flap lets in not just the household pet but neighbourhood cats, possums, rats and occasionally snakes, which is a real nuisance and sometimes a hazard, so a microchip or selective unit that opens only for your pet is as much an animal-security measure as a human one. Keeping other creatures out is part of what a security pet door does. A selective unit closes the door to everything but the pet it is programmed for.

Security Pet Doors, Integration and the Brands

The defining feature of a security pet door is how it integrates with a tested security screen, so that is where to start. A purpose-made security pet door unit is designed to fit into the lower part of a security screen, set into the mesh and frame in a way that retains the screen's strength, so the screen as a whole keeps its tested performance. This is quite different from cutting a hole in the mesh and fixing in a generic flap, which breaks the mesh and the frame and leaves a weak spot. The integrated unit is engineered to be part of the screen, not a wound in it.

The cleanest result comes from a security screen door supplied with the pet door already built in. Where a new screen is going on anyway, ordering it with the pet door integrated from the factory gives the strongest, neatest outcome, since the screen and the pet door are designed together as one tested unit, which ties in with the wider front entry door installation and replacement on the home. Retrofitting a purpose-made unit to an existing security screen is also possible and common, but a screen built with the pet door is the ideal. Building it in from the start is the ideal. It also avoids ever having to cut into a screen later, which is where ratings are lost.

Planning the pet door at the time the screen is ordered is both cheaper and safer. The microchip and electronic units are where a security pet door gains real selectivity. A microchip security pet door reads the pet's existing microchip and opens only for your animal, so it cannot be pushed open by another animal and is far harder for a person to operate, which adds a layer of security on top of the physical integration. Because a microchip door stays locked to everything but your pet, it cannot be pushed open by another animal or operated easily by a person. That selectivity is a genuine security layer, not just a convenience.

These units lock automatically to everything but the programmed pet, and many add four-way manual locking as well. For a security-conscious household, the microchip unit is often the centrepiece of the solution. Lockable flaps and solid panels add the ability to close the opening entirely. A four-way locking flap can be set to lock the pet door shut, and a solid slide-in panel or cover turns the opening into a closed, solid section when the pet is in for the night or the house is empty, removing the gap altogether at the times it matters most. This is a simple, cheap addition that makes a real difference to security at night and when away. Being able to close the opening completely is a feature worth having.

The pet door also sits alongside any insect screening on the opening, so it ties in with a fly screen installation where one is wanted. A security screen with an integrated pet door already keeps insects out, so a separate flyscreen is often unnecessary. The brands are the security-screen makers and the pet door specialists together. The tested security-screen brands such as Crimsafe, Invisi-Gard, SecureView and Prowler Proof offer or accommodate pet door units designed to integrate with their screens, while microchip technology comes from pet door makers such as SureFlap, and the two are combined by the installer.

The lock on the security screen door itself remains a proper three-point lock from a maker such as Lockwood, Whitco or Doric. The right combination is a tested screen, an integrated pet door unit and, where wanted, microchip selectivity, all fitted together. The strongest result is a tested screen, a purpose-made pet door unit and, where wanted, microchip selectivity, all specified and fitted together. Treating them as one system, rather than a flap added to a screen, is what preserves the security.

Designing a Pet Door That Keeps the Home Secure

Designing a secure pet door comes down to four decisions, the surface, the size, the placement and the locking. The surface should be a tested security screen with an integrated unit, not the main door, the size should be no larger than the pet needs, the placement well away from any lock, and the locking should let the opening be closed when wanted. Get these four right and a pet door adds almost nothing to the home's risk, while getting them wrong is how a pet door becomes the weak link. Working through them in order is how a secure result is reached. The surface decision is the foundation, and it points to the security screen almost every time. Rather than cutting a hole in a solid door or relying on a flimsy surface, the pet door goes into a tested security screen with a purpose-made unit, so a strong barrier stays across the opening and the pet passes through a controlled point.

Where the home does not yet have a security screen on the opening, fitting one with the pet door built in solves both at once. The security screen is what holds the opening, while the pet door simply passes through it. The pet door is often the very reason to fit a security screen on that opening, solving the access and the security together. A bare opening with a flap cut into it is what to avoid.

The size is a security decision as much as a comfort one, and the rule is as small as the pet can use. A door sized tightly to the animal, following the measuring approach in the general pet door installation guide, gives the pet easy passage without leaving a hole big enough for a person, which matters most with a large dog. Resisting the urge to oversize for convenience is the main way to control the climb-through risk. The smallest workable door is the most secure one. Placement is where the reach-through risk is won or lost.

The pet door should be sited well away from the screen's lock and the main door's handle, so an arm through the flap cannot reach anything that opens the door, ideally low and to the hinge side rather than near the lock. Pairing this with a deadlock that a reached-through hand cannot operate closes the risk further, which connects to the locks covered under door installation and repairs. Where the flap is, relative to the lock, is one of the most important security choices. It is worth physically checking, at the planning stage, that an arm through the proposed flap position cannot reach the latch. That simple check settles the placement more reliably than any general rule.

The locking and selectivity finish the design. A microchip unit keeps the door closed to every animal but the pet, a four-way lock lets it be shut on demand, and a solid panel closes it entirely at night or when away, so the opening is controlled rather than always open. Choosing the level of locking to suit the household's routine and risk is the last piece, and it ties to the wider window repairs and hardware and locking on the home. Together, surface, size, placement and locking turn a potential weak point into a controlled, secure opening.

Standards, Certification and Installation

The standard that matters here is AS 5039, and the central rule is that the pet door must not void it. A security screen is tested and certified to the AS 5039 series, with performance in AS 5039.1:2023 and test methods in AS 5039.3:2023, published by Standards Australia, and fitting a pet door into it must be done with a unit and a method that keep that certification valid. A generic flap cut into the mesh breaks the tested system, so the certification only holds where a purpose-made unit is integrated correctly. Keeping the rating is the whole technical point. How the unit is integrated is what preserves or destroys the rating.

A purpose-made security pet door is fixed into the screen in a way that maintains the strength of the mesh and frame around it, often with the unit reinforcing the opening rather than weakening it, which is why it must be a designed unit and a competent fit, not a hole and a flap. Some screen-and-pet-door combinations are tested together as a system, which is the strongest assurance. Confirming that the unit and the fit keep the screen's AS 5039 rating is the key question to ask. Ask too whether the maker certifies the screen with that specific unit fitted, since some do and some do not.

A documented combination is worth more than a verbal assurance that it is fine. The security screen door's own lock and fixing still have to be right, since the pet door does not change those requirements. The screen door must still have a proper three-point lock, be installed to AS 5039.2:2024 so it cannot be pried off, and be anchored into sound material, exactly as any security screen, with the pet door an addition that must not compromise any of it. A screen with a perfect pet door but a weak lock or fixing is still not secure. The pet door is one part of a screen that must be sound as a whole. Egress remains a requirement where the screen is on an escape opening.

A security screen on a bedroom or other escape window or door must still open from inside quickly in an emergency, and adding a pet door does not change that, so the screen needs the usual hinged or quick-release operation where it is an egress point. The pet door is not an escape route and does not satisfy the egress rule. The screen must still let people out fast, pet door or not. A security screen on a bedroom or escape opening must still open quickly from inside in an emergency, and a pet door does not change that duty. The pet door is never an escape route, so the screen's egress function has to be preserved.

For the buyer, the useful checks are few and specific. Confirm that the pet door unit is one designed to keep the screen's AS 5039 rating, that the screen door still has a proper lock and fixing, that the placement keeps the flap away from the lock, and that egress is preserved on any escape opening, all in writing. Those checks get you a documented, still-certified result rather than a vaguely promised pet door in a security screen. Getting them clear up front is what keeps the security intact.

Security Pet Doors for Rentals, Strata and Insurance

A security pet door is a sensible way to give a pet access on a rental without weakening the property, which suits both owner and tenant. For a landlord, allowing a pet door integrated into a security screen, rather than cut into the main door, means the pet is catered for while the property stays secure and the screen keeps its rating, and the screen itself often belongs to the owner. It pairs with the rest of the home's security and any sliding door installation and repairs.

Where a pet door has to be allowed, putting it in a security screen is the option that protects the property. It also keeps the change in the screen rather than the building, which is tidier at the end of a tenancy, and sits with any other screen work such as outdoor privacy screens. A change confined to a removable screen is the easiest of all to undo. Reversibility and consent work the same as for any pet door, with the security screen helping. A pet door unit in a security screen can sometimes be addressed by swapping the screen or the lower section at the end of a tenancy, and because the work is in the screen rather than the building fabric, it is often less drastic than cutting the main door, which a landlord may prefer.

As always, the alteration needs the owner's written consent, and the current tenancy rules on pets and alterations, which have been changing in NSW, are best checked with NSW Fair Trading. A security-screen solution is often the easiest one to get agreed. Strata adds its by-laws on both pets and alterations, as with any change to a unit. Keeping a pet may need the owners corporation's approval under the by-laws, and a security screen on a door or window that is common property, or that affects the building's appearance, generally needs approval too, so a security pet door in such a screen is a strata matter as well. A screen that matches the building and an integrated, tidy unit are easier to get approved. Anyone in a unit should clear both the pet and the screen with the owners corporation first.

Insurance is where a security pet door genuinely helps, more than an ordinary one. Insurers expect a home to be reasonably secure, and a pet door integrated into a tested security screen supports that far better than a flap cut into the main door, which can be seen as weakening the home, so the security-screen approach is the one that protects your cover. It is worth asking your insurer how they view a pet door, since a hole in the front door and an integrated security-screen unit are very different in their eyes. After a break-in, an intact tested screen with a controlled pet door supports a claim far better than a forced flap.

For a property being bought, sold or renovated, a security pet door is a quiet plus rather than a problem. A pet door done properly, in a security screen, shows the home is set up for a pet without compromising its security, which reassures a buyer, whereas a flap cut into the front door is a noted weakness. Where the home is being upgraded, the security pet door goes in with the screens and any window installation and repairs. Doing it as part of the security work finishes the opening properly rather than leaving a gap.

Choosing a Security Pet Door Installer in NSW

Choosing an installer for a security pet door means finding one who treats it as a security job, not just a pet job. The first thing to establish is that they fit pet doors into tested security screens using purpose-made units that keep the AS 5039 rating, and that they can say plainly which units do that, rather than offering to cut a flap into a screen or a door. An installer who understands that a hacked-in flap voids the screen, and who works only with proper units, is the one to use. One who would cut a hole in a security mesh is one to avoid entirely.

Understanding of the security details is the next test. A good installer talks about placing the flap away from the lock, sizing it tightly to the pet, the reach-through and climb-through risks, and the option of a microchip or lockable unit, rather than just fitting a flap where it is convenient. The same judgement applies where the work overlaps with the wider flyscreens and security screens on the home. Asking how they would keep the home secure with the pet door quickly shows whether they think about security or just access. The good installers often raise the reach-through risk before you do, which is a strong sign they know the job.

One who never mentions the lock placement has not thought it through. A clear, written quote is the third sign of a sound operator. It should state the pet door unit, that it is designed to keep the screen's rating, whether it is fitted to an existing screen or supplied with a new one, the size, the placement, and any microchip or locking features, with the price for each.

Where a new security screen is part of the job, that should be itemised so you can see the screen and the pet door separately. A quote that just says "pet door in security screen" without the unit and the rating is not one to rely on. Insurance, warranty and certification round out the checklist. The installer should carry insurance, offer a written warranty on the screen, the pet door unit and the installation, and be able to confirm the screen keeps its AS 5039 certification with the pet door fitted. A warranty that covers the screen, the unit and any microchip mechanism separately tells you each part is sound. The certification point is the one that matters most, since it is what proves the security was preserved.

Finally, compare operators on the security, not just the price. The cheapest quote is often a flap cut into a screen or a door, which is no longer secure however cheap, so the comparison has to be on whether the rating is kept. Posting the job for a few quotes through The Quote Yard lets you line up the unit, the integration, the placement and the warranty side by side. On a security pet door, where the whole value is preserving the protection, that is what to compare on.

What Drives Security Pet Door Pricing

Whether the pet door is fitted to an existing screen or supplied with a new one is the biggest driver. Retrofitting a purpose-made unit to a security screen you already have is the cheaper path, commonly two to five hundred dollars, while a new security screen door with the pet door built in costs more because it includes the screen itself, often seven hundred to fourteen hundred dollars. If you need a security screen on the opening anyway, the combined cost is good value, while if you have a good screen already, the retrofit is cheaper. The starting point, screen or no screen, sets the bracket. The type of pet door unit is the next driver. A basic integrated unit is the cheapest, a lockable or four-way unit a little more, and a microchip security pet door the dearest for the selective technology, often adding two to four hundred dollars over a basic unit.

The microchip unit is worth it where keeping other animals out and the extra security matter, but it is a clear step up. Choosing the level of unit to match the real need keeps the cost sensible. A microchip unit is the one upgrade most security-conscious owners find worth it, since it doubles as animal control. The lockable panel is the other small addition that is usually worth it.

The size of the pet moves the figure, with security implications. A small cat unit is cheaper than a large-dog one, which needs a bigger, reinforced opening in the screen, and the larger opening also needs more care to keep secure, so a large-dog security pet door costs more both for the unit and for the reinforcement. Sizing tightly to the pet keeps both the cost and the security risk down. A large opening is dearer and needs more thought, so it is not the place to over-specify. Keeping the rating and the quality of the integration are built into the price of doing it properly.

A purpose-made unit correctly integrated, so the screen keeps its AS 5039 certification, costs more than a generic flap cut in, but the cheaper option is not secure, so it is not a real saving. A screen-and-pet-door system tested together is at the top end and the most assured. The cost difference between a secure result and a compromised one is real and worth paying. Location, access and combining the work then adjust the base. A straightforward door at ground level is cheap to access, an awkward spot adds a little, and doing the pet door as part of a wider security screen or door job attracts a better rate than a standalone visit.

Pricing it alongside any glass repairs and window replacement or other security work in the same visit often sharpens the overall quote. Bundling the security pet door with the rest of the screen and door work tends to make it better value. Doing the security pet door as part of a wider screen or door job lets the installer set up once and price it together. A combined visit is usually better value than a separate trip for the pet door alone.

What to Look Out For

The single biggest trap is anyone willing to cut a flap into a tested security screen. Cutting a generic hole in a security mesh and fixing in a flap destroys the screen's tested strength and voids its AS 5039 certification, leaving a screen that looks secure but is not, so an installer who offers to do this either does not understand it or does not care. A security pet door must be a purpose-made unit integrated to keep the rating, never a hole cut in the mesh. This is the one mistake that turns a security screen into a false sense of security. The same caution applies to any door cut for a flap, including where it ties in with a cavity slider door installation and repairs.

A hole in a door is a hole in the security, wherever the door is. The second thing to watch is a flap placed within reach of the lock. A pet door near the door's handle or the screen's lock lets an intruder reach through and unlock the door, defeating the whole point, so the placement away from the lock is not optional, it is the core of the security. If an installer proposes to put the pet door right beside the lock for convenience, that is a serious red flag.

Where the flap sits relative to the lock is the difference between secure and not. The third is an oversized opening, especially for a large dog. A pet door big enough for a person to climb through is a serious weakness low in an accessible door, so the unit must be sized tightly to the pet and a very large opening reconsidered or paired with extra measures. The convenience of an oversized door is not worth the climb-through risk it creates. The opening should be no bigger than the pet comfortably needs. The fourth is a screen that is no longer sound elsewhere.

A perfectly integrated pet door is wasted if the screen's own lock is weak, its fixing loose, or its mesh tired, since the security is only as good as the whole screen, so the screen has to be sound before the pet door is added. On the coast, a corroded screen and corroded fixings undermine the security regardless of the pet door. The pet door is one part of a screen that must be secure as a whole.

Finally, be wary of treating the pet door as separate from the home's security. A pet door is part of the security picture, not an add-on to be done by the cheapest flap-fitter, so it should be planned with the screens, the locks and the placement together, and the consumer protections under the Australian Consumer Law, overseen by the ACCC, apply to the work as to any product and service. A security pet door done as an afterthought is the one most likely to become the weak point. Planning it as part of the security is what keeps it from being one.

How to Get Useful Quotes

A useful quote starts with the opening, the screen and the pet. Note whether the opening already has a tested security screen or needs one, the size and type of your cat or dog, and where on the opening the pet naturally wants to pass, so each installer can quote a secure solution. A photo of the door or opening, with the existing screen and lock visible, and a note of your pet's size, lets each installer see how the pet door can be integrated securely. Showing the installer the opening, the existing screen and where the lock sits lets them plan a unit that keeps both the rating and the placement right. The clearer that picture, the more accurate and comparable the quotes.

The clearer the picture of the opening, the screen and the pet, the more closely the quotes will match. It helps to say in the brief that you do not want anything cut into a security screen or door, only an integrated unit. That one line filters out the installers who would compromise the security. Saying that security is the priority shapes the quotes from the start. Make clear you want the pet door integrated into a tested security screen, keeping its rating, rather than cut into a door, and whether you want a microchip unit to keep other animals out or a lockable panel for night, so the quote is for a secure solution rather than the cheapest flap.

If the opening is an escape route, mention it, since the screen must still allow egress. A quote built for security is very different from one built for the lowest price. Asking each installer the same questions lets you compare fairly. Confirm that the pet door unit keeps the screen's AS 5039 rating, whether it is fitted to an existing screen or supplied with a new one, the size, the placement relative to the lock, any microchip or locking features, the warranty, and what is included, then lay the answers side by side. A quote that names a purpose-made unit, the preserved rating and the placement is not competing with one that lists only "pet door in screen" at a similar number. It is the security detail, not the headline price, that separates the quotes.

It is worth confirming the practical and certification details too. Ask whether the screen-and-pet-door combination keeps the certification, how the flap is placed relative to the lock, whether a lockable panel is included, and the lead time, since a security screen with a pet door is often made to order. Where the job ties in with other openings, ask for that to be itemised so you can read the security pet door cost cleanly against any sliding door flyscreen replacement or other screen work. Pinning down what the quote covers up front avoids the extras that can lift a low price later.

Posting one clear job on The Quote Yard puts your security pet door project in front of installers across NSW at once, so the quotes come to you. A single, well-described job, with the opening, the screen, the pet and the security priority set out, is the most efficient way to gather comparable prices for a secure solution. It also lets you choose on the integration, the unit and the placement rather than on whoever called back first. For a job whose whole point is keeping the home secure, a few minutes of detail upfront are well spent.

Standards, Warranty and Consumer Rights

A security pet door lives and dies by the AS 5039 rating, so the standard is central. A security screen is certified to AS 5039.1:2023, tested to AS 5039.3:2023 and installed to AS 5039.2:2024, and a pet door must be integrated so that certification still holds, ideally as a screen-and-unit system tested together, all under the standards published by Standards Australia. Asking a supplier to confirm in writing that the screen keeps its rating with the pet door fitted is the most important thing you can do. That written confirmation is the proof the security was preserved.

Keep that confirmation with the screen's original certification, so the two sit together in the home's records. Together they show the opening was secured and stayed secured. Warranty should cover the screen, the unit and any mechanism. A good security pet door carries warranties on the security screen and its mesh and frame, often ten to fifteen years, on the pet door unit, and on any microchip mechanism, plus a workmanship warranty on the installation. Keeping the quote, the certification confirmation and the warranty together means you can call on it if the unit fails, the screen is found not to keep its rating, or a mechanism stops working.

A supplier who warrants each part, and confirms the certification, is one standing behind a genuinely secure result. Your consumer rights apply to the whole job. A security pet door and its installation are goods and services, so they must be of acceptable quality and fit for the purpose described, protections backed nationally by the Australian Consumer Law and administered in this state through NSW Fair Trading.

If a screen sold as keeping its security rating turns out not to, those guarantees are what you rely on, separately from the warranty. They are a floor under the work, particularly important where security is the whole point. Where something goes wrong and cannot be resolved with the installer, there is a clear path. Consumer disputes in NSW can be taken to the NSW Civil and Administrative Tribunal, and the records you kept, the quote, the certification confirmation and the warranty, are what make that straightforward. Most reputable installers resolve a genuine problem long before it reaches that point, which is one more reason to choose carefully and keep the paperwork. Good documentation is both proof of the security and protection if it is questioned.

Seen as a whole, a security pet door is what lets a NSW home give a pet its freedom without opening a weak point, by integrating the pet door into a tested security screen rather than cutting it into the home. Done with a purpose-made unit that keeps the AS 5039 rating, sized tightly, placed away from the lock, and given a microchip or lockable option, it sits comfortably within the home's wider security doors and screens. Choose the integration over a flap, the security screen over the main door, and the right unit over the cheapest, suited to your pet and your home. Do that, and a security pet door becomes the considered opening that keeps a New South Wales pet free and the home secure at the same time.