Perforated metal panels is a popular choice by both contractors and homeowners for its unique style and wide variety of uses.
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At Western States Metal Roofing, we offer perforated products including perforated metal panels, perforated coil, and perforated flat sheets in addition to our large selection of non-perforated metal roofing and siding panels.
This article goes over what perforated metal can be used for as well as considerations to make before you decide whether or not perforated metal is right for your project.
Perforated metal coil
What Are Perforated Metal Panels?
Perforated metal panels are steel panels that consist of a pattern of small holes or shapes throughout the surface. These openings have a mesh like appearance that have several benefits including allowing airflow and light to pass through while also creating an eye-catching aesthetic appeal. Perforated metal panels are just as popular for their appearance as they are for their function.
Corrugated Perforated Metal Panel
How Are Perforated Metal Panels Made?
The process begins with a metal coil that is turned into flat sheets. From there, the sheet metal is mechanically stamped or laser cut to create the desired patterns or hole shape in the steel.
Perforated Metal Panel Specifications
Each perforated panel will specify:
- The perforated pattern
- Hole size
- Staggered pattern (amount of space between each hole)
- The open area
Perforated pattern
The open area is a percentage that represents how much of the metal has been removed, or how much of the panel is “open”.
For example, if a panel has a .127 size holes and the stagger is 7/32", then the open area is 30.5 %, meaning that roughly 70% of the metal panel remains after the perforations have been made in the panel.
What Are Perforated Metal Panels Used For?
Perforated metal panels have many uses including:
- Roof coverings for patios or shade structures
- Soundproofing/ acoustic wall panels
- Windscreens
- Fences
- Ceilings
- Interior design accents
- Building cladding
- Partitions
- Stair treads
- Metal screens
- Signage
- Filters
We discuss some of the more popular uses in greater detail below for both exterior perforated metal panels and interior perforated metal panels.
Perforated Metal Fence
A perforated metal fence has a unique style that does not give total privacy, but rather allows for some airflow and sunlight while still serving as a barrier. It’s common to see perforated metal fences used for wind screens, equipment screens, parks, sports complexes, and other outdoor commercial areas.
Perforated Metal Roofing
It seems funny that you would use a metal roofing panel with holes, but it makes sense in certain situations. Normally, perforated roofing panels are used in a canopy application in which weather tightness is not an issue. The perforated canopy will provide both shade and airflow. In addition, it looks great.
Perforated Metal Ceiling
Using perforated metal on a ceiling not only creates visual interest, but it also serves an important purpose when it comes to sound. Perforations in ceiling panels actually help reduce noise by absorbing the sound in a room. It’s more common to see perforated metal ceilings in public areas where there is more heavy foot traffic and noise as opposed to inside of private residences.
Perforated Metal Facade
Perforated metal facade is decorative architectural cladding that serves a large variety of uses.
Perforated Corten AZP Raw Facade
Incorporating perforated metal onto a commercial building can:
- Allow natural sunlight in
- Reduce noise
- Enhance curb appeal
- Create more privacy
- Increase design options for architects
Perforated Metal Guardrail
Photo credit: DeMax
A perforated metal guardrail or railing system is a unique and attractive alternative to more conventional railings. Perforated railings create an illusion of a space being more open since you are able to see through the material.
Pros Of Perforated Metal Panels
- Design And Aesthetic Appeal
- Enhances Energy Efficiency
- Soundproofing
- Exceptional strength
- Lightweight
Design And Aesthetic Appeal
Whether you’re using perforated aluminum, steel, copper, or zinc, metal with perforations has an eye-catching and unique aesthetic that fits with almost all design styles. People love to use decorative perforated metal in their projects because of how it enhances the visual appeal of the space where it's being installed. It’s a versatile product that has a seemingly endless amount of ways it can be used.
Enhances Energy Efficiency
Perforated metal helps regulate temperatures which in turn makes your cooling systems not have to work as hard. It deflects heat build up while also allowing for ventilation and the admittance of natural sunlight.
Soundproofing
Perforated metal helps diffuse sound. When used along a ceiling, it helps reduce echoes.
Strength And Durability
The structural strength of perforated sheet metal is greater than many other building materials. It has an inherent strength that provides great durability and resistance to the elements when used in exterior applications.
Perforated Metal Is A Lightweight Material
Metal panels are already known for being lightweight. Now remove 10-40% of that panel, and you have perforated metal. Since the hole patterns remove some of the metal, it makes the perforated panels even lighter than non-perforated panels which makes them easier to transport and install.
Cons Of Perforated Metal Panels
- Perforated Metal Panels Are Hard To Find For Smaller Projects
- Higher Cost
Perforated Metal Panels Are Hard To Find For Smaller Projects
Perforated panels and perforated sheet metal are much easier to find for larger projects which are generally those that are 5,000- 10,000 pounds or greater.
For a smaller project, or a project that is less than 5,000 pounds, ordering perforated panels is too expensive to justify for a smaller job. You will have to find a manufacturer or supplier that keeps perforated panels in stock which can be difficult. On top of that, you will be limited in the colors you have to choose from for a small project.
At Western States Metal Roofing, we can make any panel or color we sell perforated for larger jobs. However, we also keep the following perforated metal in stock and available for smaller projects:
Perforated Metal Panel
Gauge (Thickness)
Galvalume®
20 Gauge, 24 Gauge
Painted Polar White
24 Gauge
A606-4 (Aka Corten)
22 Gauge
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Painted Corten AZP Raw
24 Gauge
Perforated Metal Panel Cost Is Higher Than Standard Metal Panels
Perforated metal comes at a premium price point compared to other types of metal panels. The cost of perforated metal panels can range anywhere from 50% higher to double the amount of non-perforated metal panels.
Request A Quote For Perforated Metal Sheet Or Perforated Metal Panels
Using perforated metal in your construction projects brings a variety of functional and aesthetic benefits, making it one of the most popular and unique metal products on the market today.
Stainless steel perforated metal sheet is a versatile and durable material that can be used in a variety of applications such as screens, filters, facades, and panels, among others.
However, not everyone is familiar with this material, its advantages, and its uses.
In this article, we will provide you with everything that you need to know about stainless steel perforated metal sheet, from its definition to its properties, manufacturing process, applications, and buying tips.
Let’s get into it….
Stainless steel perforated metal sheet is made through a process of punching or stamping holes into a flat sheet of stainless steel.
The process begins with a coil or sheet of stainless steel that is flattened and cleaned to remove any debris or impurities.
The stainless steel sheet is then fed through a machine that uses a punch or stamp to create the desired pattern of holes. This is known as a perforating press.
The size, shape, and spacing of the holes can be customised to meet specific requirements. After the perforations are made, the sheet is usually cleaned and inspected for any defects before it is ready for use.
The resulting perforated metal sheet is strong and durable.
The sheet metal itself can be made of different grades of stainless steel, such as 304, 316, or 430, each with its own corrosion resistance, strength, and surface finish. The Mesh Company supplies top quality 304 stainless steel metal mesh.
Stainless steel perforated metal sheet has several advantages over other materials such as aluminium, copper, or plain steel.
304 stainless is highly resistant to corrosion, abrasion, and heat, making it suitable for outdoor and high-temperature environments.
It is also strong, lightweight, and easy to fabricate and install, reducing the cost and time of construction.
In addition, stainless steel perforated metal sheet offers good acoustic and ventilation properties, allowing for airflow and sound absorption. We recently produced an article outlining how perforated metal mesh can be used for acoustic applications.
Stainless steel perforated metal sheet is manufactured through a series of processes. The whole process begins with the selection of the raw material and the design of the perforation pattern.
The sheet metal is then loaded onto a perforation press that punches or drills the desired holes into it, using a die and a punch.
The spacing, size, and shape of the holes can be adjusted by changing the position and the shape of the die and the punch. It is a bit like using an incredibly strong and accurate cookie-cutting tool. But for sheet metal.
After perforation, the sheet metal is trimmed, cleaned, and possibly coated or painted, depending on the application.
Stainless steel is most costly to produce than aluminium, galvanised or plain steel. So consider these alternatives if you are working on a tight budget.
Stainless steel perforated metal sheet has a wide range of applications in various industries and fields, such as architecture, construction, automotive, electronics, food processing, and healthcare.
It can be used as decorative and functional elements in building facades, balustrades, sunshades, and screens, providing privacy, shade, and ventilation.
It can also be used as filters, strainers, diffusers, and noise barriers in HVAC systems, water treatment plants, and industrial processes.
Furthermore, stainless steel perforated metal sheets can be used as speaker grills, oven racks, baking trays, and medical implants, among others.
It is likely the most versatile of all perforated metal options.
Square Hole Perforations
Square hole perforated metal mesh offers several advantages over other types of perforated metal mesh.
First, the square-shaped holes provide a clean and modern look that is aesthetically pleasing, making it a popular choice for architectural and design applications.
Second, the square shape of the holes allows for a higher open area, meaning there is more open space in the mesh for airflow, light, and sound to pass through. This makes square hole perforated metal mesh ideal for applications where ventilation, acoustic control, or light diffusion is necessary. We offer some square options with very high hole to pitch ratios.
Third, the square shape of the holes provides a more uniform distribution of perforations, resulting in a more even and consistent pattern of perforations across the sheet. This makes square hole perforated metal mesh easier to work with and more predictable in its performance. The square alignment of holes gives the stronger structure possible.
Round Hole Perforations
Round hole perforated metal mesh also offers several advantages that make it a popular choice for various applications.
The round shape of the holes allows for a high open area, which means there is ample space for airflow, light, and sound to pass through the mesh. A square hole gives the possibility of larger holes in relation to the pitch. Round holes tend to be in a pretty standard ratio between holes and metal gaps.
Round hole perforated metal is more common than the other shapes. This means that there tends to be more of a range available.
Round hole perforated metal mesh has a high strength-to-weight ratio and can withstand harsh environmental conditions, making it a durable and long-lasting option for many applications.
