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        Mastering the Basics: How to Weld Copper Woven Wire Mesh

        Copper Woven Wire Mesh Welding
        • Category: Woven Wire Mesh

        Copper woven wire mesh welding is a skilled and nuanced task.

        Copper mesh, with its distinct combination of flexibility, durability, and aesthetic appeal, has carved a niche for itself in various industries. From ornate designs in architecture to its crucial role in electronics due to its electromagnetic shielding capabilities, its applications are vast.

        Yet, welding this material can be a daunting task for many due to the unique properties of copper. This guide aims to provide a comprehensive overview to help enthusiasts and professionals alike master the art of welding copper woven wire mesh.

        Let’s get into it…..

        Delving Into The Properties Of Copper

        Before even picking up your welding tools, a thorough understanding of copper’s inherent characteristics is essential.

        • Thermal Conductivity: Copper stands out for its superior thermal conductivity. While this makes it ideal for some applications, it means that the metal disperses heat rapidly during welding. This quick heat dissipation can make achieving a consistent weld challenging.
        • Oxidation: When exposed to air, copper tends to develop a layer of oxide, which can hinder the welding process.
        • Electrical Conductivity: Its high electrical conductivity makes it a favorite for electrical applications but requires caution when welding.

        Selecting The Perfect Welding Method

        Different projects may necessitate different welding techniques. For copper woven wire mesh, two methods are predominantly used:

        • TIG (Tungsten Inert Gas) Welding: A precision-based method, TIG welding is especially suitable for thinner copper meshes. It utilizes a non-consumable tungsten electrode and an inert gas like argon to shield the weld pool, ensuring a clean and strong weld.
        • MIG (Metal Inert Gas) Welding: Ideal for thicker meshes, MIG welding offers a faster approach. It involves a wire feeding gun, which doubles up as an electrode, feeding wire into the weld pool while an inert gas shields the process.

        For beginners, starting with TIG might be advisable due to its precision, allowing for a better understanding of how copper reacts during the welding process.

        Prepping The Copper Mesh

        The importance of preparation can’t be stressed enough. Given copper’s tendency to oxidize, ensuring a clean surface is paramount for a successful weld.

        • Cleaning: Begin by brushing the mesh with a stainless-steel wire brush. This step helps remove the superficial oxide layer. For deeper cleaning, consider using solvents or specialized copper cleaners.
        • Cutting: If your project requires specific dimensions, use sharp shears to cut the mesh. Ensure that the edges are straight and clean. Many of our woven mesh options only require scissors, or even fingertips to cut.

        Safety First

        Welding, while fulfilling, can be dangerous if done carelessly.

        • Personal Protective Equipment (PPE): Always wear welding helmets with the appropriate shade of lens, flame-resistant gloves, and safety shoes. Remember, sparks can and will fly.
        • Ventilation: Given that welding produces fumes, ensure that your workspace is well-ventilated. Using a fume extraction system or working outdoors can mitigate potential health risks.

        Setting Up Your Welder

        Whether you’re using TIG or MIG, setting up your welder correctly is vital.

        • Amperage: Given copper’s high thermal conductivity, you might need higher amperage than with other metals. It’s crucial to experiment and find the perfect setting for your specific mesh thickness.
        • Gas Flow: Ensure a consistent flow of shielding gas. For copper, a mix of argon and helium often works best.

        Mastering The Technique

        With everything set up, it’s time to weld.

        • Steady Hands: Keep your hands steady. A consistent travel speed ensures a uniform weld bead.
        • Angle: Holding your torch at a 75 to 80-degree angle relative to the mesh can result in optimal penetration.
        • Post-weld Cleaning: After completing the weld, clean the welded area with a brush or appropriate cleaner to remove any residues or contaminants.

        Practice And Patience

        Like any skill, mastering the welding of copper woven wire mesh takes time. Practice on scrap pieces before moving on to your main project. With patience and consistent effort, the intricacies of welding this unique material will soon become second nature.

        Heavy Duty Copper Mesh

        8 Holes Per Inch x  2.5mm Hole

        The 8 mesh x 0.63mm copper mesh strikes a balance between durability and finesse, making it an excellent choice for rodent screening. Its tight weave ensures rodents cannot penetrate, while its malleability allows for easy installation around even complex structures. Beyond pest control, this mesh’s conductive properties make it highly effective for RFI (Radio Frequency Interference) shielding, protecting electronic devices from unwanted radio wave disturbances and ensuring smoother device operation.

        This mesh would be weldable using the techniques outlined above.

        copper #8 rodent soffit mesh 150mm width roll 45 degrees image

        Handling Ultra-Fine Copper Mesh: A Delicate Endeavor

        When it comes to copper mesh as fine as cloth, the welding process demands an even more meticulous approach. This mesh type is incredibly delicate, easily comparable to fabric in its flexibility and fineness.

        • Gentle Heat Control: The primary concern when welding such fine mesh is avoiding burn-through. It’s vital to use controlled, low heat. A pulsed TIG welding method can be effective, allowing the welder to maintain a stable arc while minimizing heat input.
        • Backing Materials: Consider using a suitable backing material, like a heat-resistant mesh or tape, to support the fine mesh during welding. This backing can prevent the mesh from warping or sagging.
        • Stitch Welding: Instead of continuous welds, consider stitch welding. This approach involves creating small, intermittent welds, reducing heat buildup and the risk of damaging the mesh.

        Remember, patience is crucial. Working with ultra-fine copper mesh can be challenging, but with attention to detail and the right technique, you’ll achieve a seamless finish.


        Welding copper woven wire mesh, while challenging, is immensely rewarding. By understanding the material, choosing the right welding method, and practicing the correct techniques, you can achieve strong and visually appealing welds every time.

        As always, thank you for checking out our blog. We hope that this helps you with your project. We try to launch a couple of new guides every week. Eventually we will have covered everything there is to cover about mesh. 

        You may be interested in our blog that explores how to build a chicken coop. 

        Our goal for our blogs and help guides is to answer as many questions as possible to help to explain the possibilities of mesh to our customers. 

        Contact Us Today

        Please feel free to contact our team today if you have any questions at all. We are always really keen to help in any way that we can.

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