With so many patterns and metal choices, how can you be sure that you are choosing the right perforated metal profile for your project?
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In this easy reference guide, we will take you through all the key considerations, so that your finished perforated metal profile meets all project requirements, from visual aesthetics and light flow to privacy, performance and durability.
Our expert manufacturing and design team are always on hand to advise on pattern or metal choice that suits your needs, including creating a custom perforated metal design.
The most important consideration is what you need the perforated metal profile to achieve once it is installed, as this influences everything about your panel design, including the hole shape, pitch, open area percentage, panel thickness, base metal, and finish.
For instance, a profile selected for only aesthetic reasons can be made with a much wider range of patterns and metals than a profile that will be load-bearing or installed in a marine environment.
Many perforated metal profiles that we manufacture need to be multi-taskers and serve several functions at once. Such as panels for facades and balcony screens, which often require visual impact, privacy, light and airflow, acoustic absorption, strength, and durability, all in one design.
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Whilst this sounds complex, it is easy for us to achieve. Most elements of our pattern designs can be adapted to meet exact project requirements. We also have a customisable architectural collection ideal for multi-panel, high-end project needs, and our unique PixelPerf bespoke perforation service, that produces your own design in metal.
Let’s look at pattern basics and explain what some of the terms mean when you are browsing our range of perforated metal profiles.
At Arrow Metal, all our profile PDFs include the following information:
The basic hole style – such as round, square, slot, or hexagon. Which should you choose? Round is the most widely used hole shape as it is versatile for all kinds of designs, particularly when replicating images and graphics in perforated metal. Round is also the strongest hole style, offering high strength even for open, airy patterns.
Hexagonal holes are ideal when you need a high open area percentage (so more light and airflow), whilst slotted holes are great for visibility.
For example, take a look at the 3mm aluminium panels that we manufactured for Sydney Motorsport Park, in pattern P378A with a 60% open area. The goal of this project was a metal barrier for spectators, without obstructing visibility. By using horizontal slots, the racetrack is easily seen, whilst still separating and protecting racegoers. If on the other hand, you want to limit visibility horizontally, the slots can be punched vertically instead.
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These are the metal types that we can perforate in that pattern. When deciding which metal to choose, think about the installation location. Inside or outside? Marine or inland environment?
The conditions your panels will need to withstand day after day will dictate your metal choice. Metals like stainless steel and aluminium for example are ideal for coastal and marine environments because of their corrosion resistance.
However, other metals such as brass – valued for its decorative appeal and aesthetics with other materials – can also be used outside. But remember that brass will naturally oxidise over time, resulting in a weathered look.
You can compare different metals in our quick-reference table below (or click here to see it), that covers key factors such as location suitability, weight, and more, with useful comments from our expert team to help you narrow your choices.
Hole sizes, in combination with open area percentage, affect the visibility, light, acoustics, and airflow properties of your panels. Remember that in most designs, we can punch the holes larger or smaller, to meet your specifications.
Whether the holes are in a staggered format (diagonal) or straight when perforated into metal. The pitch determines the aesthetics of your panel and can also influence panel strength. We can customise the pitch to suit your needs, and punch holes in any direction for visual impact.
Shown as a percentage, the open area is how much of the panel is made up of holes, and how much is solid metal. The higher the open area percentage, the more light and airflow; the lower the open area percentage, the better for privacy and shade – so striking the right balance is vital.
So now you know what to consider, and the many different factors that affect profile suitability, we will help you to place the right order.
We have extensive expertise in metal perforation and can advise which patterns, metals, open area percentages, panel thickness, and hole sizes match your project requirements, saving you time and the worry of making costly metal mistakes.
Simply contact us on (02) or for a no-obligation project discussion.
You can also download our brochure here to learn more about our perforated metal capabilities, pattern range, custom PixelPerf perforation service, and finish choices including colours, effects, and durable coatings.
As perforated metal manufacturers with almost 30 years in the industry, our panels are used for major projects across Australia, trusted by household brands, shopping complexes, education, transport, and leisure sectors, and more.
Browse or download our Perforated Metal Catalogue , Brass Woven Wire Mesh Catalogue or Project Look Book for more perforated metal inspiration.
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Perforated Metal Mesh
Perforated metal sheets, also known as a perforated screen or perforated metal, are made up of coils of stainless steel, aluminum, or mild steel.
That has been uniformly or mechanically stamped or punched using laser cutting or CNC technology to create a variety of holes, shapes, or configurations.
Galvanized steel, cold-rolled steel, stainless steel, brass, Monel, steel, aluminum, copper, titanium, plastic, etc. are materials used to produce perforated metal mesh.
These metals have different designs, due to the use of various molds, and are commonly used in industrial applications and decoration, screens, ventilation, etc.
Benefits of perforated metal mesh
Some benefits of perforated metal sheets are as follows:
Types of perforated metal mesh
Carbon steel metal sheets
Mild steel or carbon steel metal sheets are made up of low carbon or galvanized sheets.
They can easily be weld or cut into desired shapes.
Carbon steel metal sheets are largely used in industrial applications, decoration, equipment guards, screens, filtering, ventilation, etc.
You can get mild steel metal sheets with a thickness of 0.3mm- 8.0mm and variable hole shapes (Round, Square, Slotted, Hexagonal, Decorative).
Stainless steel metal sheets
These are easy to cut, weld into desired shapes and are also oil-resistant and fire-resistant.
The perforated stainless steel metal is manufactured from stainless steel sheets or coils, which are perforated evenly, have a variety of hole sizes, shapes, and configurations.
They have different patterns with different molds. Applications of stainless-steel sheet metal range from architectural, commercial to industrial.
Aluminum perforated metal mesh
These are simple to cut, shape, and weigh of the desired type.
The perforated aluminum metal grid is made from aluminum and aluminum alloy sheets or spools uniformly punched in a wide range of sizes, forms, and settings.
It has wide applications in industrial decoration, equipment guards, etc.
Manufacturing of perforated metal mesh
There are three types of techniques used to make perforated metal sheets; Laser Perforation, Rotary Pinned Perforation, and Punch Press.
A rotary pinned perforated roller is used as the most common method for perforating metal.
This is a large cylindrical with sharp, pointed needles to punch a hole in the metal sheet.
The perforation roller rotates, stroking through the sheet continuously to punch holes as sheet metal passes through the roller.
Buying Considerations of perforated metal mesh
Some of the factors must be considered when you select a perforated metal sheet for your application.
These include:
Before buying a perforated metal sheet, consider the strength of metal, hole size, style, and pitch as they affect the efficiency, and purpose of a perforated metal sheet.
For example, perforated metal sheets for energy-saving benefits, lighting effects, or sound control vary in pattern shape, material, and size.
For more information, please visit Hexagonal Perforated Metal Sheet.