What are Steel Flitch Plates and Beams?

Flat steel plates, typically with holes for bolts and screws are also known as flitch plates. A flitch plate, sometimes referred to as a flitch beam, is an internal structural member that runs across the width of a building or structure. It can be used in many different ways but it is most commonly found at the top level of a roof truss system. The main purpose of this type of plate is to provide support for rafters which run from one side of the building to another.

How are Steel Flitch Plates Used?

Steel Flitch Plates are typically purchased and then attached to one or more pieces of wood. This helps to add significant support strength to a longer, open area but still allow for other trades such as carpenters, electricians and drywall contractors to still be able to tie into wood for construction purposes.

Why are Steel Flitch Plates Advantageous?

There are many reasons why people choose to use steel flitch beams over other types of beams. One reason is strength. Steel Flitch Plates are able to withstand high loads without breaking down like most conventional beams do. These steel flitch beams are able to handle much higher weights than standard beams due to the fact that they are not only stronger but typically lighter too.

Steel Flitch Plates Near Me

If you’re in Long Island, New York, Mid-Island Steel can design flitch plates according to your specific needs. We can fabricate any size and thickness flitch plate you may require. Our Steel Flitch Plates can also have non-standard hole patterns as well as any size hole or knockout. Our flitch plates are all CNC designed and fabricated for incredible accuracy. We also have the capability to out put more than one flitch plate at a time, including matched pairs. We also have the standard hardware in stock. You order a flitch plate from us, and you get the plates(s) plus all the necessary hardware for a perfect installation. We even deliver!

Whatever size, whatever thickness and whatever hole pattern. Let Mid-Island Steel be your Long Island flitch plate supplier.

Steel Flitch plates


A flitch plate, also known as a steel plate, is a piece of steel that is sandwiched between layers of wood to provide added strength and support to structural beams. It is commonly used in construction and engineering to reinforce wooden beams, particularly in situations where a larger load-bearing capacity is required. The steel plate is bolted to the wooden header beam, effectively creating a composite beam that has the combined strength and flexibility of both materials. Additionally, flitch plates can be customized to specific sizes and configurations to meet the structural requirements of a building or project. This cost-effective and versatile solution is frequently employed in residential house beams and commercial construction to enhance the overall strength and stability of wooden structures.

Importance of flitch plates in construction

Flitch plates play a significant role in construction due to their ability to provide greater structural load strength without increasing the size of the support beam. By sandwiching a steel plate between two wooden beams, flitch plates effectively increase the load-carrying capacity of the support beam, allowing for larger loads to be carried without the need for a larger and more cumbersome beam.

In addition to their role in new construction projects, flitch plates are also commonly used in repair and restoration projects. By reinforcing existing support beams with flitch plates, contractors can effectively increase the structural strength of older buildings without the need for major renovations or rebuilding.

Flitch plates have gained popularity in larger spanning support beam construction projects in Long Island and New York City due to their ability to provide the necessary load strength without adding bulk to the beams. This has been particularly beneficial in urban areas where space and weight restrictions are a concern.

Overall, flitch plates are essential in modern construction for their ability to maximize structural load strength while minimizing the size and weight of support beams, making them a valuable asset in both new construction and renovation projects.

Benefits of Flitch Plates in Construction

Flitch plates, an innovative construction material, are gaining popularity for their numerous benefits in the construction industry. These versatile plates, made by combining steel and wood, offer enhanced strength and load-bearing capacity to various structural elements. The benefits of using flitch plates in construction extend to cost-effectiveness, sustainability, and flexibility in design and installation. The following headings will delve into the specific advantages and applications of flitch plates, showcasing their potential to revolutionize modern construction practices.

Improved structural strength and stability

Improving the structural strength and stability of a building involves using various methods and techniques. One method is the use of reinforced materials such as steel flitch plates, which are steel plates sandwiched between wooden beams to increase their load-bearing capacity. This combination of steel and wood creates a more stable and stronger structural support system.

Additionally, strategic load-bearing elements such as steel columns and concrete walls can be used to provide additional support to the building’s structure. These elements help distribute the weight of the building more evenly and improve its overall stability.

It is crucial to adhere to building codes and regulations when implementing these methods to ensure the safety and stability of the structure. Building codes specify the minimum standards for construction to protect the health and safety of occupants. Compliance with these codes reinforces the structural integrity of the building and decreases the risk of structural failure.

In conclusion, improving the structural strength and stability of a building involves the use of reinforced materials, strategic load-bearing elements, and adherence to building codes and safety regulations. These measures are essential for constructing buildings that are structurally sound and safe for occupancy.

Increased load-bearing capacity

Increasing load-bearing capacity can be achieved by reinforcing wood beams with steel flitch plates. This method involves sandwiching a steel plate between two wooden beams, creating a flitch beam that significantly increases its strength and load-bearing capacity. To further reinforce the structure, cross-bracing techniques can be utilized to provide additional support and stability to the beams.

It is crucial to conduct structural analysis and engineering calculations before implementing any reinforcement method to ensure the safety and effectiveness of the structure. This will help in determining the appropriate size, shape, and placement of the steel flitch plates and cross-bracing, as well as identifying any potential weak points in the structure. Structural analysis will also help in predicting the behavior of the reinforced beams under different load conditions, ensuring that the increased load-bearing capacity meets safety standards.

In conclusion, reinforcing wood beams with steel flitch plates and utilizing cross-bracing techniques are effective methods for increasing load-bearing capacity. However, conducting thorough structural analysis and engineering calculations is essential to ensure the safety and effectiveness of the reinforcement methods.

Versatility in design and application

Flitch plates are commonly used in construction to provide added strength and support in various structural applications. There are different flitch plate designs, including simply sandwiching a steel plate between two wood beams or incorporating multiple steel plates within a wood beam. These designs offer versatility in creating custom solutions for specific construction requirements, such as with different beam sizes, load capacities, and structural layouts.

Mid-Island Steel in Medford, NY offers comprehensive guidance and support for steel flitch beam design assistance, steel detailing, and flitch plate expertise in construction projects. Our team of experts possesses a diverse range of engineering and design capabilities, allowing us to cater to specific project needs from initial concept to final implementation. Our key features include personalized design assistance, utilizing the latest software and technology for precision steel detailing, and providing hands-on support and consultation throughout the entire process.

With our commitment to delivering seamless and efficient construction solutions, Mid-Island Steel is the ideal partner for any construction project requiring flitch plate expertise and tailored design assistance.

Flitch Plate Characteristics

Flitch plates are versatile construction components that consist of steel plates sandwiched between layers of timber. These assemblies are known for their superior strength and rigidity, making them ideal for supporting heavy loads and spanning long distances. Flitch plates come in various sizes and thicknesses, allowing for flexibility in design and application. Their ability to be customized to specific project requirements makes them a popular choice for structural support in residential and commercial construction. Additionally, the combination of steel and wood in flitch plates offers the benefits of both materials, such as the strength of steel and the aesthetic appeal of timber. With their unique characteristics, flitch plates have become an essential element in modern construction, providing reliable and efficient support for a wide range of building projects.

Material used – steel

There are various types of steel that can be used for designing steel flitch plates, each with their own specific properties and advantages. Common types of steel materials include mild steel, high-strength low-alloy (HSLA) steel, and stainless steel, among others. These materials are available in different grades, such as A36, A572, and A588, which vary in terms of their yield strength, tensile strength, and overall mechanical properties.

The type of steel used in a flitch plate design has a direct impact on the strength of the flitch beam. For example, using a higher grade steel with greater yield strength will result in a stronger flitch beam that can withstand higher loads and forces. Similarly, the use of stainless steel can provide better resistance to corrosion and environmental factors, making the flitch beam more durable in certain applications.

In conclusion, the choice of steel material and grade is crucial in determining the strength and performance of a flitch beam. Designers must carefully consider the specific requirements and conditions of their project to select the most appropriate type of steel for the flitch plate design.

Sizes available

Flitch plates are available in standard widths in one-inch increments, typically ranging from 6″ to 12″. These sizes are commonly used for various construction and structural applications. However, custom widths can also be created by cutting sheet metal on a plasma CNC machine, allowing for greater flexibility in meeting specific project requirements.

The thickness, width, and length of the flitch plate can significantly impact the overall strength of the flitch beam. Thicker plates generally result in stronger beams, while the width and length also play a role in determining the load-bearing capacity of the beam.

For projects requiring non-standard sizes, custom flitch beams can be created with bespoke measurements to fit specific structural needs. Longer flitch plates can be achieved by weld splicing steel plates together, allowing for even greater customization in terms of length.

In summary, the availability of various sizes and the ability to create steel flitch beams make them a versatile and adaptable solution for a wide range of construction and structural applications. By carefully considering the dimensions and plate splicing options, engineers and builders can create tailored solutions to meet their project requirements.

Custom Sizes, Hole Patterns and Layout

Flitch plates are commonly used in construction to strengthen wood beams, particularly in applications where additional load-bearing capacity is required. These metal plates, which are typically made from steel, come in custom sizes and are designed to be attached to wood beams using fasteners. The plates often have hole patterns with holes punched 9/16″ or larger, allowing for easy attachment to the wood beams. Additionally, these holes can also be used to pass plumbing or wiring through the beam, adding versatility to the construction process.

The hole patterns and layout of flitch plates can be customized to suit specific project requirements, ensuring that they can easily accommodate utility holes, wood holes, or other necessary features. This versatility makes steel flitch beams an ideal choice for a wide range of construction applications, providing strength and support while allowing for easy integration of other building components. The ability to customize sizes, hole patterns, and layout make steel flitch beams a valuable component in modern construction projects.

Typical FAQ’s About Steel Flitch Plates

Here are some frequently asked questions about steel flitch plates:

1. What are the benefits of using steel flitch plates in construction?

– Steel flitch plates provide increased strength and stability to structural components, allowing for longer spans and smaller member sizes. They also provide flexibility in design and can help distribute loads more effectively.

2. How are steel flitch plates constructed?

– Steel flitch plates are typically made by sandwiching a steel plate between wooden or steel beams and then bolting them together. This construction method allows for the advantages of both steel and wood, creating a stronger and more versatile structural element.

3. Where are steel flitch plates commonly used?

– Steel flitch plates are often used in residential and commercial construction for applications such as beams, trusses, and joists. They are also frequently used in renovations and retrofitting projects to reinforce existing structures.

Overall, steel flitch plates offer a cost-effective and efficient solution for various construction needs, providing strength, flexibility, and reliability to a wide range of projects.

Flitch Plate Manufacturing Process

Flitch plate manufacturing involves sandwiching a steel plate between wooden beams and securing them together with bolts. This process combines the strength and durability of steel with the flexibility and workability of wood, resulting in support beams with greater structural load strength without increasing the size of the beam. Expert engineers use their knowledge of materials and structural design to create more powerful support beams, ensuring that the steel and wood combination is balanced for optimal performance.

The process begins with carefully selecting the appropriate size and grade of steel plate to match the dimensions of the wooden beams. The steel plate is then placed in between the wooden beams, and holes are drilled for the bolts to fasten the components together. The bolts are tightened to uniformly distribute the load and create a strong, rigid connection. Through this method, engineers are able to create a stronger support beams that can withstand higher loads without the need for larger, heavier beams. This innovative approach to support beam construction has revolutionized the industry by providing a cost-effective solution for achieving greater structural load strength.

Long Island Flitch Plate Supply Company

Mid-Island Steel, located in Medford, NY, brings over 40 years of experience in the steel industry. Specializing in custom flitch beams and flitch plates, we cater to both residential and commercial projects. Our expertise and commitment to quality make us a top choice for anyone in need of reliable steel products.

For those considering using flitch header beams or plates for their project, a call to Mid-Island Steel would be the best way to get an accurate price estimate. Our team of experts can provide personalized guidance and recommendations based on the specific needs of the project. This ensures that you’ll get the most suitable and cost-effective solution for their steel requirements.

Whether it’s for a small-scale residential renovation or a large commercial construction project, Mid-Island Steel has the knowledge and resources to deliver top-notch flitch beams and flitch plates. Our dedication to customer satisfaction and their years of experience make them a trusted source for all steel supply needs.