What is the Solution for Roof Safety Mesh in Australia’s harsh environment?

Posted by: Amanda Greer

Stainless Steel Roof Safety Mesh provides fall protection during construction and maintenance for the life of the building.

Whether it be a coastal shed, industrial warehouse or water storage building it’s a harsh environment.

Stainless steel is the solution to the corrosion of roof safety mesh and will cope with the Australian environment for the life of the building. Galvanised products do corrode and cannot provide adequate protection. Don’t take a short cut when you know there is a safer and longer lasting alternative.

We have also developed PVC Coated Stainless Steel Roof Mesh to prevent the galvanic reaction between dissimilar metals


Download Roof Safety Mesh product information sheet including fixing sheet

Safety & Statistics
Every person who leaves for work in the morning should expect to return home at night in good health. Working at heights is a dangerous occupation. Every year, people are killed or seriously injured by falls from heights in the home, on building sites and in many other industrial situations.

The most serious injuries and the majority of deaths result, as you would expect, from falls from heights of 2m or more, often onto concrete. Statistics from Safe Work Australia show that, in the 12 years from 2002/03 to 2013/14, 47 workers died as a result of falls from roofs and balconies.

That is an average of four deaths per year, which may not seem to be a large number, but bear in mind that many more workers who fell from heights sustained serious injuries that required lengthy hospitalisation and left them with permanent physical and/or mental scars.

One of the most common fall problems in the construction industry is falls through the roof during construction, or during post-construction maintenance or repair.


Roof Safety Mesh

A simple, but very effective way to prevent death and serious injury due to these falls is to install roof safety mesh which has the added advantage of preventing the fall of roofing sheets, another potential cause of death or serious injury. Thus providing a critical element in the hierarchy of control to reduce the potential for a fall resulting in serious injury or death.




Stainless Steel Roof Safety Mesh

Stainless steel is the optimum solution for harsh environments.


  • Corrosion resistant- it is ideal for corrosive environments and will not rust
  • Life Cycle Costing- no replacement costing due to stainless steels  long life attributes
  • Strong- the tensile strength of our wire is a minimum 600Mpa exceeding the requirement of 450Mpa
  • Temperature resistant

Download technical data sheet

PVC Coated Stainless Steel Roof Safety Mesh

PVC Coated stainless steel roof safety mesh was developed by SSWM as an effective solution to galvanic reaction between dissimilar metals.


  • PVC coating prevents the galvanic reaction between dissimilar metals
  • Stainless steel wire will not corrode even if the PVC coating is damaged
  • Flexible coating will bend without cracking
  • UV stabilizer contained to protect from UV

Download technical data sheet

The exorbitant expenditure in rectifying issues that can arise from the devastating effects of reactions between dissimilar materials would be far outweighed by making the smart choice to purchase PVC Coated Stainless Steel Roof Safety Mesh.

Product Specifications

Wire Diam           2 mm Grade 316
Mesh                     150 mm (longitudinal)
300 mm (transverse)
Weight (approx)  24 kg/Roll Stainless steel
26.5 kg/Roll PVC Coated Stainless steel
Roll Width & Length





Australian Standard AS/NZS 4389:2015 – Roof Safety Mesh explained

Roof safety mesh should meet the requirements of AS/NZS 4389:2015 – Safety Mesh. This standard provides a specification for the mesh and also for the load testing of the mesh, which involves the dropping of a 166kgm, 1500mm long, 350mm diameter bag onto installed mesh from a height of 1.4m, as seen to the right.








SSWM Roof Safety Mesh & Australian Standards

✔ AS/NZS 4389:2015 ‘Safety Mesh’ exceeds technical requirements & complies to load testing

  • Tensile strength of of our wire is a minimum 600Mpa exceeding requirement of 450Mpa
  • Each production run of roof safety mesh is tested and complies tothe standard

✔ AS 2331.3.1:2001 (R2017) ‘Neutral Salt Spray Test’ PVC Coated tested to 96 hours

Stainless Steel Wire & Mesh are the first and only stockist of:


✔ Prior to installation refer to local ‘Code of Practice’ for safe work on roofs and SA HB 39:2015
✔ With every roll a ‘Recommended Fixing Details’ sheet is provided

Before installing roof safety mesh, you should always refer to your local code of practice regarding safe working on roofs

Work Safe Victoria: Prevention of falls in general construction
Work Cover NSW: Safe work on roofs
Part 1: Commercial and Industrial buildings
Australia- National
Safe Work Australia: National code of practice for the prevention of falls in general construction

Appendix D of the WorkSafe Victoria document “Prevention of Falls in General Construction” describes the installation of safety mesh: http://www.worksafe.vic.gov.au/__data/assets/pdf_file/0015/9231/cc_fallsconst_web.pdf .

With such a large range- how do you identify stainless steel woven mesh?

The ‘INS and OUTS’ of Stainless Steel Woven Mesh- Revisited

Posted by: Amanda Greer

This was our very first blog back in 2013 we have decided to revisit it as stainless steel woven mesh is our largest product range and therefore extremely topical for our Customers. Our sales team have enormous knowledge of stainless steel woven mesh and its applications. We would like to share this with you to build and improve your knowledge of stainless steel woven mesh especially when identifying and specifying.  The ‘Ins and Outs’ of woven mesh is straight forward and once you’ve got it- you’ve got it or you can always refer back!

Stainless steel woven mesh comes in a wide variety of specifications providing a range of mechanical properties. Coarser weaves woven from heavier wire diameters provide useful mechanical strength, while finer weaves are useful as filtration and screening due to their smaller aperture.

With such a large range- how do we identify stainless steel woven mesh?








Woven Mesh Terminology/ Definition
Mesh – The number of openings per lineal inch (25.4mm)
SWG – Standard wire gauge
Aperture – The distance between two adjacent wires (opening)
Diameter –The thickness of the wire before weaving
Pitch –    The distance between the middle point of two adjacent wires or the sum of the aperture width and the wire diameter
% Open Area–    The ratio of the area of the aperture to the area of the mesh expressed in percentage terms
Warp – All wires running lengthwise of the cloth as woven
Weft –All wires running across the cloth as woven

We often have customer requests to identify stainless woven mesh whether it be to match or replace an existing specification. Using the formulas and steps below will help you identify your mesh. Give us a call if you get stuck! For terminology refer above

Formulas for Identifying Woven Mesh

To calculate the aperture
1. Count the number of apertures over 1 inch (N)
2. Measure the length covered by the N apertures  (24.5mm)  (L)
3. Measure the wire diameter (D)








Working example of calculating the aperture of 6/20 woven wire mesh
1. Number of apertures counted                                  N = 6
2. Length covered by apertures centre to centre      L = 25.4mm
3. Diameter of wire                                                        D = 0.9mm
4. Aperture







The woven wire is identified as 3.33mm aperture / 0.9mm diameter.

Please see data sheet below, for the example that we have worked through.

Stainless steel woven mesh data sheet for SSWO 03330

























Mesh Count
If the aperture and the diameter are known the mesh count can be determined.






Percentage Open Area
Woven mesh consists of open spaces and material. Open area is the total area of the holes divided by the total area of the cloth and is expressed as a percentage.






Micron conversion
A micron is another measurement used for measuring mesh size. A micron is one millionth of a meter or one twenty five thousandth of an inch





At SSWM we stock four different weaves, plain weave, intercrimp weave, lockcrimp weave and twill weave.

Plain Weave
Plain weave is the most common and simplest weave. Each warp wire (the wire running parallel to the length of the cloth) passes alternatively over and under the wires running transversely through the cloth at 90 degree angles.


Intercrimp has extra crimps in the warp and weft wire between the intersections.


Lockcrimp Weave
Is produced with pre-crimped wire. Lock crimp weave is stabilised by a notch or bump at the wire intersections.


Twill Weave
Twill weave is made by passing each fill wire alternatively over and under two warp wires.

Selvage edge
Selvage is the term for self finished edge. In woven mesh, selvages are the edges the run parallel to the warp (the longitudinal wire the run the length of the mesh), and are created by the weft wire looping back at the end of each row.

Stainless steel woven mesh- that has had pickling and passivation treatment and then electropolished

You’ve made ‘the lasting decision’ and now for ‘the lasting look’ – how to minimise tea staining

Posted by: Amanda Greer

Stainless steel is a great product with many benefits including its look! We find it is a common misconception that Stainless Steel will forever maintain its silver appearance. As the name suggests it is ‘Stain – less’ not stain free. In other words it is ‘Low’ maintenance, not ‘No’ maintenance.

Under particular conditions stainless steel can develop ‘tea staining’. Although unsightly, this brown staining is a cosmetic issue, it does not affect the structural integrity of the lifetime of the stainless steel. On our CARE page and an earlier BLOG post we discuss what tea staining is and how to maintain & clean stainless steel. This is all well and good however, where this is an issue is when the mesh is being used for its aesthetic appeal in architectural applications or external applications.

We have therefore recently added a section ‘the lasting look’- the surface treatment to minimise tea staining to the CARE page which we go through below. Cleaning with soap or a mild detergent or even an industrial cleaner does not cut the mustard with the fine meshes- as you cannot reach between all the weaves and the tea staining may return under particular conditions.

The good news is there is a solution that will last and stand the test of time! Pickling & passivation and electro polishing- is a simple and inexpensive process.

It is recommended than when stainless steel is to be used for external purposes that it be electropolished.

‘The Lasting Look’ – Stainless steel mesh- pickling & passivation and electro polishing explained

Stainless steel woven mesh- displaying the brown discolouration on the surface known as tea staining


Stainless steel woven mesh- that has had pickling and passivation treatment and then electropolished

What is Pickling & Passivation
Pickling and passivation are both forms of chemical (acid) treatments applied to the surface (often submerged in a bathing liquid) of stainless steel to remove contaminants (surface impurities such as rust) and assist in the formation of a continuous chromium-oxide, passive film that provides protective properties.

What is the difference between pickling & passivation
On the surface there does not seem to be much difference between the two processes. The differences come down to the intensity of the treatments;

  • Pickling uses acids such as hydrochloric or sulfuric that remove the surface impurities at a sublevel basis
  • Pickling leaves a greater change to the metal, metal removal and a change or dulling in the visual brightness of the metal
  • Passivation uses either nitric acid or citric acid which are less aggressive than the acids used in pickling to remove contaminates and promote the formation of the passive oxide film
  • Passivation is the treatment of the surface of the stainless steel. It does not typically go below the surface of the metal and does not change the properties of the metal.

What are the advantages of pickling & passivation?
Both types of metal finishing have great advantages for stainless steel wire & mesh

Pickling & Passivating when applied to the surface of stainless steel
– Removes contaminants
– Removes heat tint due to welding
– Formation of a continuous enriched chromium oxide protective layer

Both pickling and passivation solutions can employ dangerous acids that can damage both the operator and the environment if not handled correctly. Stainless pickling acids are highly corrosive to carbon steel.

It is essential that all acids are thoroughly removed by rinsing the component after completing the process. Residual hydrofluoric acid will initiate pitting corrosion.

How does electro polishing of stainless steel work?
Electro polishing is a highly effective metal finishing treatment it is also referred to as the ‘final step’ in the manufacturing process. Electro polishing is an electrochemical process that uses an electrolyte bath and rectified current to remove a uniform layer of surface material from the stainless steel item.  It is used by a range of industries;
– architectural
– automotive
– medical
– food & beverage
– dental

Benefits of Electropolishing include;
– Remove surface flaws & impurities
– Remove high points and round troughs
– Passivates greater than any other process
– Maximises the protection of stainless steel against tea-staining and corrosion
– Brightens the surface finish to provide a bright and shiny chrome-like appearance
– Smooths the surface enabling the surface to naturally wash, thereby significantly diminishing the likelihood of future rust

Please note as with anything internal or external cleaning and maintenance is still required to keep your mesh clean and preserve its appearance.

Please use a reputable surface finisher and please note certificates should be available for any chemical treatment.

So now you’ve got it ‘the lasting decision’ and ‘the lasting look’!

Sam Bodagh- Sales & Logistics Manager

Sam Bodagh- congratulations & thank you for 10 years of service!

Posted by: Amanda Greer

Sam Bodagh our Logistics Manager / Sales recently celebrated a very special milestone with Stainless Steel Wire & Mesh- 10 year anniversary.

Sam is an integral part of the SSWM team. Sam and Andrew first worked together back in the early 90’s when Sam joined Greer Wire.


Sam loading a truck demonstrating our- same day despatch service!

Andrew describes Sam as “invaluable” his work ethic, warehouse organisation, stainless steel wire & mesh product knowledge, customer service and logistics ability are a testament to his dedication and drive to improve. Sam’s combined knowledge allows SSWM to provide our same day despatch when your order is placed by 9am.

We are very much a family business– Sam also shares the importance of family values. Sam’s eldest son undertook work experience with SSWM last year and this year Sam’s second son will be joining us for work experience.


These are a couple of items that sum Sam up;
– The SSWM warehouse is commonly referred to as ‘Sam’s warehouse’ or his ‘baby’. He really does look after it as though it is one of his own children!
– Customers and Suppliers regularly comment on how well kept and laid out the warehouse is
– Sam has an incredible ability to recall Customers and their required specifications- especially Cash Customers who pop in every now and again
– The next generation is often spotted at SSWM during the school holidays. Sam has made it in our children’s world and is so iconic that he even has a Duplo man named after him and drives an orange forklift! After a visit to SSWM the boys often come home and build the warehouse and have Sam very busily loading trucks- it’s always a good day of sales!

The iconic ‘Sam’ Duplo man and his orange forklift!

Sam we would like to congratulate and thank you for your 10 years of service with Stainless Steel Wire & Mesh. You are very much appreciated as an invaluable work colleague and it is a wonderful reflection on you that this appreciation is also felt by our Customers and Suppliers.

stainless steel anti climb security mesh

Is there such thing as an anti climb fence?

Posted by: Amanda Greer

358 Anti Climb Mesh also known as Security Mesh and commonly called 358 Mesh are stainless steel welded mesh panels that have been designed as a security solution for many applications that require barriers or fencing to prevent unauthorized access.

We are often asked why it is called 358 – This comes from the Imperial system measurement of;
3 inches x 0.5 inches x 8 gauge.

358 Mesh- this is where the name comes from!

The design of the rectangular spacing of the horizontal and vertical wires makes it anti-scale and anti-cut security barrier.

Our 358 stainless steel welded mesh panels are manufactured with grade 316 stainless steel. The specifications are;
Mesh                                   75 x 13mm
Wire Diameter                  4.00mm
Width x Length                  1200 x 2400mm

The panel is designed to be installed upright (2400mm vertical x 1200mm horizontal)- so the mesh runs as per the photo. With the 75mm running vertically and the 13mm running horizontally.

This mesh is very strong and durable and may be used in high corrosive environments, it is low maintenance, allows visibility and has an attractive appearance.

358 Mesh may be used for a wide variety of applications requiring a high security product for fencing, including airports and airstrips, rail corridors, commercial and industrial sites, sub stations and power plants and any sites requiring prevention of unauthorised access.

358 Mesh is also an excellent product for factory machine guards and for use on bridges as anti-climb fencing.

If you are looking for a versatile and extremely strong security mesh please contact our sales team to discuss your requirements.

Further information can be found on our website https://www.sswm.com.au/application/stainless-steel-welded-panels/358-anti-climb-mesh/

Stainless Steel Wire Mesh Warehouse

Stainless Steel Wire & Mesh – lots of new things products, warehouse & family members!

Posted by: Amanda Greer

Stainless Steel Wire & Mesh is a family business and recently the blog hasn’t had as much love as it has in the past! For lots of reasons we have been very busy. We’ve been moving warehouse and office to a new location in Tullamarine, new website, lots of new products and new family members.

Stainless Steel Wire Mesh new Warehouse

Here is Andy holding the current youngest member of our family, Spencer. Spencer has meet everyone in the office and has had a tour of the warehouse- just waiting to grow into his high vis vests like his big cousins & brothers!

Stainless Steel Wire & Mesh it’s a family business!

Our new Stainless Steel products;

Stainless steel woven mesh– now stocking 1550mm wide rolls
Stainless steel black woven mesh– now stocking sheets & rolls
Stainless steel welded panels– now stocking 358 / anti climb mesh

Stainless Steel Woven Black Mesh

Keep an eye on the blog though as we have lots of great projects, ideas and topics to share with you.

Stainless steel bright annealed tie wire DIN 200 spool

How do you Join or Weld your Stainless Steel Wire and Mesh?

Posted by: SSWM

For the home handyman I encourage you to search the internet for help with specific applications. Someone out there, somewhere, sometime, has almost invariably done what you want to do and is only too pleased to tell you about it via one of the many stainless steel or welding forums.

Stainless Steel Hexagonal Netting Christmas Tree

A family wire business- really just another member of the family!

Posted by: SSWM

Growing up with a family business what was it like? Possibly the best analogy is that it was like another member of the family and still is! At Christmas time work had to be considered just like family- who would answer the phone, respond to faxes now generally emails, water the garden, collect the mail, do the banking etc.

Stainless steel bushfire mesh

Bushfire Mesh- Explained and where to find Information

Posted by: SSWM

Many areas of Australia are subject to summer bushfires which cause loss of life, livestock, homes, farm buildings and infrastructure, and cost the country millions of dollars every year. In Victoria in 2009, what became known as the Black Saturday bush fires.


How to cut your Stainless Steel Welded Mesh & Woven Mesh?

Posted by: SSWM

We are often asked how to cut stainless steel welded mesh & woven mesh and the answer very much depends on the wire diameter. The smallest wire gauge that we stock is 0.025mm which is thinner than the finest human hair and obviously doesn’t need to be cut with an angle grinder.

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