Security doors vary widely in quality, materials, and certification. Invisi-Gard sits at the upper end of the market, and for good reason. If you have been researching security screen doors in Adelaide, you have probably come across the name. This guide covers what makes Invisi-Gard different, what to expect on price, and how to know if it is the right fit for your home.
Invisi-Gard is a security screen door system built around a marine grade 316 stainless steel mesh. The mesh is welded into a heavy duty extruded aluminium frame, which means the two components work together as a unit rather than the mesh being pressed or clipped in.
The frame uses a Patent Pending Pressure Retention and Integrity Monitoring (PRIM) system. This keeps the mesh under consistent tension and helps detect any attempt to push or deform the frame. The doors are tested to Australian Standard AS2803.1, which covers impact force, knife shear resistance, and pull force. That testing is done independently, not just stated on a spec sheet.
Most entry-level security doors use a powder-coated aluminium grille or a lower-grade mesh pressed into a basic frame. These products offer some deterrence but are generally not tested to the same standard as stainless steel mesh systems.
Invisi-Gard uses 316-grade stainless steel, which is the same grade used in marine hardware and medical equipment. It resists salt air, moisture, and the kind of force that would damage a standard grille door. Because the mesh is fine, it also allows full airflow and visibility, which is not always possible with grille designs.
The trade-off is cost. Invisi-Gard is a premium product, and pricing reflects the materials and certification involved.
Many Adelaide homes are within a few kilometres of the coast. Suburbs like Glenelg, Henley Beach, Brighton, and Semaphore sit close enough to the sea that salt air is a genuine factor in product longevity.
Standard steel security products can corrode faster in these conditions. Marine grade 316 stainless steel is specifically rated for high-salt environments, which is one of the main reasons Invisi-Gard is a common recommendation for coastal properties. The aluminium frame is also powder-coated or anodised, adding another layer of corrosion resistance.
For homes further inland, Invisi-Gard still offers the security certification and aesthetic advantages. The coastal suitability is a bonus rather than the only reason to consider it.
Invisi-Gard is not the cheapest option on the market. It is positioned as a mid-to-premium security product, and the price reflects the materials, manufacturing standard, and independent testing behind it.
The final cost depends on door size, configuration (hinged, sliding, or stacking), colour finish, and installation requirements. A straightforward hinged door will cost less than a stacking system for a wide bi-fold opening. The best way to get an accurate figure is to arrange a free measure and quote, which Fair Price Blinds offers across metropolitan Adelaide.
Fair Price Blinds supplies Invisi-Gard with a 10-year product warranty. This is one of the longer warranty periods available in the security door category and reflects the expected durability of the stainless steel mesh and frame system.
For any warranty questions or claims, contact Fair Price Blinds directly as the local supplier and installer.
In most cases, yes. Fair Price Blinds measures each opening before installation to confirm compatibility and ensure a proper fit.
A single door installation typically takes a couple of hours. Larger or more complex configurations may take longer. Your installer will give you a clear timeframe at the time of quote.
The stainless steel mesh is fine enough to prevent insects from entering while still allowing airflow. So yes, the door functions as both a security screen and a flyscreen in the same unit.
Yes. The durability and low maintenance requirements make Invisi-Gard a practical choice for rental properties. Tenants benefit from the security, and landlords benefit from not needing to replace the door frequently.
Fair Price Blinds supplies and installs Invisi-Gard security doors across metropolitan Adelaide. The team provides a free measure and quote with no obligation. If you would like to see the product in person, contact us to arrange a time.
Visit the Invisi-Gard page for more details on configurations, colours, and specifications
Contact Fair Price Blinds today to arrange your free measure and quote and see the options in your own home. Get a Quote Today
