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The ScreenGuard warranty covers 10 years from the date the product was installed. This guarantee applies to the original buyer as long as the product care and maintenance guidelines have always been followed during that time. When manufactured in line with the ScreenGuard fabricator instructions, ScreenGuard ensures that its product will be free from flaws in materials and manufacturing. This warranty does not cover damage caused by misuse, accidents, fires, acts of God, alterations to the original products in any way, or anything else out of our control.

A NATA-registered independent testing laboratory conducts all testing in accordance with rigid Australian requirements.

Frequently Asked Questions

ScreenGuard Stainless Steel
Security Mesh System
Fabricating a ScreenGuard Security
Door in less than 16 minutes!

Technical Tips

Screenguard 316 Stainless steel security mesh is an important part of a security door and Windows, its quality seriously affects the performance of security doors and Windows. What factors affect the quality of the Stainless mesh?  They include the following:

The Steel Wire

  • Material used for the steel wire.

The Screenguard stainless-steel security mesh is made of steel wire. Stainless steel grades are determined by their composition and uses. 316 and 304 stainless steels are the most common types.304 which is often referred to as 18-8 (18% chromium, 8% nickel) is a basic stainless alloy that offers a combination of corrosion resistance, heat resistance, strength and affordability. Screenguard 316 mesh contains an additional substance, about 2 to 3 percent molybdenum, which increases corrosion resistance, it has a higher level of corrosion resistance, particularly in a salt-water environment. Darley’s 316 mesh is more suitable for Australia’s coastal environment and the inland environment can choose 304.

(2) The diameter of the steel wire.

The most commonly used stainless steel wire used in Australia is 0.8mm. It is easier to weave,  and offers a more consistent quality, the thicker the diameter of wire the more difficult the weaving process. With 15 years of production experience manufacturing 0.8mm 316 mesh, we believe we have produced a stronger security mesh to keep you and your family safe.

(3) The tensile strength of the steel wire.

Tensile strength is the maximum carrying capacity of a metal under tensile conditions. At the same wire diameter, tensile strength is a key factor for 0.8 316 security mesh to pass knife shear test (AS5041-2008).

Weaving process.

The wire used in 316 security mesh is relatively thick, which places high demands on the weaving equipment. Good quality equipment determines whether the aperture is square and the mesh surface is flat. So good quality weaving machines is a must to produce high quality 316 stainless steel security mesh.

The surface treatment of the mesh.

Powder coating is a type of coating that is applied as a free-flowing dry powder. Unlike conventional liquid paint which is delivered via an evaporating solvent, powder coating is typically applied electrostatically and then cured under heat. The powder may be a thermoplastic or a thermoset polymer. So, the use of a good powder is a key factor in 316 security mesh quality.

Pre-treatment An absolute prerequisite for successful powder coating is that the surface to be coated must undergo pre-treatment to clean and decontaminate.

Contamination of the surface may give rise to aesthetic defects in the coating (bumps, craters, etc.) and may cause poor adhesion between the coating and the base. The most typical contaminants are oil and grease, surface corrosion, mill scale and what can collectively be called particles – both loose and fixed.

  • As one of Australia’s leading stainless steel security Door system specialist; and partnered with Darley fabricators, manufacturers and suppliers of the full range of 316 stainless mesh and 6063-T6 aluminum frames used in the Security Screen industry; Darley Aluminium can help you ensure that you use the best products with the highest anti-corrosion qualities. Corrosion can develop when two dissimilar materials are combined in a corrosive electrolyte. This can occur when certain materials (such as aluminum) are in contact with stainless steel.


  • Along with corrosion, discoloration of stainless steel may occur when combined with aluminum extrusion. This is also called ‘tea staining’. Discoloration can be prevented using our ScreenGuard™ patented insulation system and regular maintenance with Powash. Passivation is also attained buy the use of passive film (10-year warranty powder coat) on the 316 Stainless Mesh for better corrosion resistance.



  • An important part in the ScreenGuard™ fabrication process is to ensure maximum frame coverage over 316 mesh, this is obtained by using correct mesh deductions on height and width.


  • During the insertion of ScreenGuard™ co-extruded wedge, please ensure the 316 mesh has a 7mm support pad to prevent distortion or bellying of mesh insert.


  • The use of Lanotec ® can aid with the insertion of ScreenGuard™ wedge, Lanotec ® is a natural product that acts as a lubricant and salt inhibitor.


  • Drain holes are required on bottom horizontal of all ScreenGuard™ frames.

Care and Maintenance

Your ScreenGuard security screen system will require regular maintenance to remove contaminants caused by pollution, industry, salt and climatic conditions.

It is recommended to use a soft bristled brush or non-abrasive cloth with warm water and a neutral detergent, then rinse with water. Abrasive cleaners and harsh detergents are not recommended as these can scratch or damage the surface area. The following table indicates the suggested frequency of maintenance:

Mild15km from coastal/rural/suburban areasEvery 6 Months
Moderate10km from coastal/high traffic areasEvery 3 Months
Severe/Coastal5km from coastal/marine/heavy industrial areasEvery 2 Weeks

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