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    Types of Perforated Beams Used for Construction

    Types of Perforated Beams Used for Construction

    What types of Perforated Beams are used for construction?

    1. Castellated beams
    2. Cellular beams
    3. I-beams
    4. Box beams
    5. C-channel beams
    6. L-beams


    • Perforated beams are gaining popularity in the construction industry for their innovative design and numerous benefits.
    • Different types of perforated beams include castellated beams, cellular beams, I-beams, box beams, C-channel beams, and L-beams.
    • These beams offer advantages to various construction applications, such as optimal material utilization, reduced weight, improved weight distribution, enhanced load-bearing capabilities, ventilation, and easy attachment of accessories.

    In the steel industry, innovative solutions are constantly sought to improve performance, efficiency, and aesthetics. One such solution gaining significant traction is the use of perforated beams.

    These beams, featuring strategically placed holes or slots, offer benefits that go beyond conventional solid beams. With their unique design, perforated beams provide enhanced weight distribution, reduced, material usage, and increased flexibility.

    But, did you know that there are various types of perforated beams used for construction? Read on to explore them!

    Castellated Beams

    Castellated beams feature a rectangular and repetitive pattern of hexagonal holes. These holes are created by cutting the beam lengthwise into two halves, offsetting them, and welding them together to form a single expanded beam structure.

    By expanding the beam in this manner, its overall surface area and load-bearing capacity are increased, without adding excessive weight. This allows for optimal material utilization, as it enhances the strength-to-weight ratio of the beam.

    Castellated beams are found in a variety of construction projects, such as bridges, commercial buildings, stadiums, and industrial structures. They’re the preferred choice for architects and structural engineers seeking excellent solutions to enhance both structural integrity and visual appeal.

    Cellular Beams

    Cellular beams are designed with circular openings placed at regular intervals. This unique design feature serves two primary purposes: reducing the overall weight of the beam and ensuring its structural integrity.

    This offers various advantages, including decreased transportation costs, easier installation, and improved efficiency during construction. They are particularly well-suited for structures that require long-span beams, such as large commercial buildings, warehouses, and industrial facilities.



    Also known as H-Beams or W-Beams, I-Beams consist of a solid web with flanges extending on either side. Creating these beams requires specialized machinery to punch holes or slots into the web or flanges. These perforations enhance the beam’s weight distribution, reduce material usage, and increase its flexibility.

    These beams find applications in numerous construction projects. For example, they are commonly used in constructing bridges, high-rise buildings, and industrial structures—due to their enhanced weight distribution.

    Box Beams

    Box Beams have a rectangular or square hollow structure. They are manufactured by fabricating two flat plates and joining them together to create a closed box-like shape. They are produced by incorporating strategically placed holes or slots on any of the four faces, ensuring that the beam’s integrity is uncompromised.

    They are typically utilized for infrastructure projects, such as bridges, as well as in the creation of mezzanine floors, roofs, and architectural structures where robust load-bearing capabilities and aesthetics are required.

    C-Channel Beams

    C-Channel Beams, also called C-Beams or C-Purlins, have a shape resembling the letter “C”. These are formed by rolling steel sheets into the desired profile. When manufactured, their holes and slots are added along the length of the beam to enhance its functionality and reduce weight.

    This type of perforated beam allows for the easy installation of accessories. They also facilitate effective ventilation and draining, making them suitable for various building applications. These include roof and wall framing and support structures for prefabricated buildings.



    L-beams or angle irons are L-shaped structural beams with two perpendicular flanges. The addition of holes or slots allows for easier attachment of accessories, fixtures, or other components. These perforations provide convenient points for fastening or connecting various elements during construction.

    These beams are suitable for creating structural frameworks, support systems, and architectural features. For instance, they can be used to create sturdy and adjustable shelving units. They provide convenient attachment points for shelves, brackets, and other supporting components. By sliding bolts, screws, or other fasteners through the perforations, the shelves can be easily secured at desired heights or positions.

    Key Takeaway

    These are the different types of perforated beams used for construction. From bridges and high-rise structures to roofing systems and support structures, the incorporation of these perforations allows for cost savings, easier installation, and increased adaptability to more efficient and effective construction practices.

    With our extensive range of products and expertise in the construction industry, we can provide you with the perfect solution for your construction projects. Our perforated beams are manufactured with precision and adhere to strict quality standards.

    Contact Regan Industrial Sales Inc. today to discuss your perforated beam needs and experience the difference of working with a trusted supplier.