"Saving Perth Homes From Break-Ins"

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Security Doors & Home Security Solutions

Taking Care Of Your Property

Specialists in Security Screens & Security Doors Perth, WA

Our specialist equipment can provide you with the essential protection for both your family and home. We specialise in providing the highest quality, strongest, and most resilient security doors in Perth.

Boasting over three decades in the industry, we are confident in providing you with the most effective solutions to protect your property. And as we’re a family-owned and run business, you can feel reassured knowing you will be treated to both the best quality service and products available in WA.







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Home Security Systems

Security Doors

Security Screen Doors

KNA Security have one of the largest ranges of security doors available in Perth, so we can accommodate any budget.

Security Doors Perth

Security Window Screens

Select from high quality stainless steel and perforated aluminium security windows with a range of options.

Roller Shutters

Roller Shutters

KNA Security provide only the best in Roller Shutter technologies engineered in Germany backed by a 10 year warranty on both shutters and motors!

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Why Choose KNA Security?

"Saving Perth Homes From Break-Ins"

KNA Security has quickly become the premier choice for home security products within the northern corridor of Perth. So, what makes us stand out from the crowd? Servicing homes and businesses from Harrisdale to Perth and up to Lancelin, our passionate team of experienced professionals is fully licensed, insured and committed to delivering the highest customer service and workmanship. But don’t just take our word for it; check out our Facebook and Google profiles, where we have 900+ five-star reviews!

Security doors and screens are our flagship product. However, we also supply and install high-quality, affordable roller shutters, alarms and CCTV systems.

With a range of interest-free payment plans available, there’s no reason you can’t start the journey to secure your home or business today. Contact us today to get the ball rolling and schedule a free measure and quote.

WA Owned Company
WA Police Licensed Company
Authorised Invisi-Gard Dealer

Interest Free Payment Options

Current Specials on Security Doors

Industry Leading Security Doors

Perth's Best Value & Quality Security Doors & Screens

As an authorised dealer and one of the few manufacturers of Invisi-Gard 316 stainless steel security doors, we supply a diverse range of doors and screens. Whether you’re looking for a hinged, sliding or double door, a cyclone or escape screen, we have a strong and attractive solution for just every situation.

Our range of screens are available in a huge range of colours and styles, to suit just about any home or business. Select from a variety of high quality mesh options, which offer different levels of security, privacy, airflow and visibility. We can even include a pet door if required.

All of our security door and screen products not only meet, but exceed Australian standards so you can rest assured that your home or business will be safe and secure for many years to come.

The Latest Technology & Features

KNA’s range of industry-leading security doors and screens are at the forefront of home security technology. As an optional extra, you can now add an electronic/smart lock, which can be controlled using your smartphone. These cutting-edge locks offer flexible access options, an auto-unlock feature, a built-in door position sensor, and several other impressive features. 

Our stainless steel Invisi-Gard doors are manufactured in our warehouse with EGP (Extreme Grip Protection). EGP locks the locks the 316 marine grade stainless steel mesh into the heavy duty extruded aluminium perimeter framing, avoiding corrosion and exceeding Australian Standards.

Our custom-made security screens can also be fitted with child fall prevention window screens, if you have young children. And if you have pets at home, we can also fit a range of pet doors which are strong and durable. 

Stainless Steel Security Doors

Stainless Steel Mesh

Manufactured using superior 316 marine grade stainless steel high tensile mesh, our range of stainless steel doors are designed to withstand WA’s harsh climate, even in coastal areas. 

Aluminium Security Doors

Perforated Aluminium

An all aluminium alternative to the stainless steel systems,  ALU-GARD is a 1.6mm thick perforated aluminium sheet that keep the bugs and thugs out while looking great.

Privacy Mesh Security Doors

Privacy Mesh

Mesh privacy security doors offer better security, less maintenance and are aesthetically more pleasing. Now you can have your front door open securely, privately and allow the breeze to flow through.

Grill Security Screens

Diamond Grille

The classic design of a diamond grille security door provides a strong and durable barrier, which unlike other styles of security doors, is visible from a significant distance away.

Federation Security Doors

Federation / Colonial

Our decorative panels are very durable, won’t rust and are powder coated to a high standard. Available in many designs and colours so we can provide a door to suit any application.

Timber Look Security Doors

Timber Look

Offering the natural beauty and warm textured feel of timber with a range of functional advantages. Advantage of low maintenance and the high durability qualities of aluminium.

Customer Reviews

Lucie Bowers

"Great service and a friendly company to do business with. Very happy with the service we received. Thanks guys. Will be recommending you to people."

Erica Wilkinson

"Just had my security screens installed today and I'm so happy with them. They look great and feel sturdy. Couldn't be happier. Highly recommend"

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