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NTK Industries louvre security screens are unlike others in the industry. Our seamless design has built in fire escape clips which allows you to exit from inside the house through the screen, but does not allow entry through the outside for safety and to avoid break ins, using Invisi-Gard Stainless Steel. This design has revolutionised security screens in the Northern Territory and the Kimberley areas. Come in to our office for a demonstration or call for any enquiries.


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Invisi-Gard Fixed Window Security Screens combine the proven strength and security of 316 Marine Grade Stainless Steel Mesh with extruded aluminium perimeter framing to create a security window screen that looks great whilst providing excellent security.


Invisi-Safe is an Invisi-gard screen with a seamless design. These screens come standard with our louver windows, this screen comes with a fire escape latch which allows you to exit from inside the house while also creating a protection from intruders. 

Centor Screens

The durable insect mesh retractable screen has no pleats or lines to detract from the view. Installing a flyscreen means that doors can be open more often, increasing ventilation and reducing air conditioner use, while the blind allows for discreet control of glare and privacy. 


Invisi-Gard is the premium security screen solution by Alspec — an Australian owned, market leader for over 45 years in the design of innovative aluminium systems to architectural, residential, industrial and home improvement markets.

At the heart of every Invisi-Gard security screen and security door is our high tensile 316 marine grade stainless steel mesh which sets the world standard in terms of its quality, precision and longevity. Invisi-Gard security doors and screens are without question the best investment for your family's safety.
They are also the best investment for the look and value of your home and business.


33 Mighall Place, Holtze NT 0829

NTK Industries            (P): 08 8983 3955

Monday - Friday
7:00am - 3:30pm


NTK Industries provides high quality security screens, louvers, awning windows, sliding windows, serverys, sliding doors, french doors, stacker doors, bi-fold doors, frameless shower screens, fixed glass shower screens, glass balustrading, and glass pool fences to the Northern Territory and Kimberley areas.

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