Lintels are crucial for structural integrity and selecting the correct one is essential for a building’s overall stability. They are used to support the weight above openings like doors and windows, especially in load-bearing walls. Fire lintels, such as our Naylor XtraFire™ Lintels, are specifically designed to maintain their load-bearing capacity and provide enhanced fire protection in the event of a fire, up to 240 minutes.
Below, we explore our Naylor Concrete XtraFire™ Lintel range, highlighting why it's a premium solution for your next project.

Understanding the Importance of Fire-Rated Lintels
Fire-rated lintels play a vital role in passive fire protection systems, helping to compartmentalise fires and maintain the structural integrity of a building in the event of a fire. This is crucial for ensuring the safety of occupants and providing valuable time for evacuation.
The Role of Lintels in Structural Integrity
Our lintels are designed to bear the load from the masonry, concrete, or other structural elements above an opening, transferring that weight to the surrounding wall. If a lintel fails during a fire, it can lead to the collapse of the wall above, compromising the entire structure and potentially hindering escape routes.
Fire Safety Regulations and Compliance Standards
In the UK, building regulations mandate that certain structural elements must retain their load-bearing capacity during a fire. Fire-rated lintels must adhere to standards such as BS EN 1363-1 and other relevant regulations, which specify the performance requirements for fire resistance, ensuring the protection and safety of building occupants. Naylor XtraFire™ Lintels meet all the required UKCA Standards for fire-rated, load-bearing lintels.
The certifications our XtraFire™ lintels meet are detailed below:
- BS EN 845: Part 2: 2013 + A1: 2016 Specification for ancillary components for masonry
- BS EN 206: 2013 + A2: 2021 Concrete specification, performance, production and conformity
Compliance with these standards is not just a legal requirement but also a fundamental aspect of responsible building design and construction.
Introducing Naylor Concrete’s XtraFire™ Lintel Range
Naylor Concrete’s XtraFire™ Lintels are precast concrete lintels specifically engineered to offer enhanced fire protection and superior load-bearing capabilities. They are a testament to our commitment to producing high-quality, reliable, and safe building materials, designed to perform in the most demanding environments.
Naylor XtraFire™ Lintels are tailored for fire-rated applications and challenging environments. Their robust design and manufacturing process ensure they provide exceptional performance where fire safety is paramount.
Key Features and Benefits
The XtraFire™ Lintel range boasts several key features that make it a leading choice for fire-rated applications:
Enhanced Fire Resistance
High Load-Bearing Capacity
Manufactured to British & European Standard
Easy to Install
Weather Resistant
1. Enhanced Fire Resistance
XtraFire™ Lintels offer fire resistance up to 240 minutes, providing critical time for evacuation and firefighting efforts, allowing occupants to safely exit the building and giving emergency services more time to control the blaze. This extended period of structural integrity is a significant advantage in preventing rapid collapse and containing the spread of fire.
2. High Load-Bearing Capacity
These lintels are designed to safely support significant loads, ensuring the structural stability of the building even under extreme conditions. Their robust construction means they can handle the weight from masonry, concrete, or other elements above openings without compromising the overall integrity of the structure.
3. Manufactured to British & European Standard
Adherence to EN 1992, BS EN 1363-1 and BS EN 845-2 standards guarantees the highest level of quality, performance, and safety. These rigorous manufacturing processes ensure that every XtraFire™ Lintel meets or exceeds the specified requirements for structural concrete and ancillary components for masonry.
4. Easy to Install
Their uniform design and high-quality manufacturing facilitate straightforward handling and installation, which can lead to reduced labour time and costs on a project. Furthermore, Naylor XtraFire™ Lintels offer the unique advantage of the length being cut to size on-site without compromising their critical fire resistance or structural integrity, providing valuable flexibility during the construction process.
5. Weather Resistant
The high-grade concrete mix ensures a long service life and consistent performance in various environmental conditions, including those with high moisture, chemical exposure, or extreme temperatures. This durability minimises the need for maintenance or replacement, offering a more robust and reliable solution.
Comparing XtraFire™ Lintels to Standard Fire-Rated Lintels
While many fire-rated lintels are available on the market, Naylor XtraFire™ Lintels distinguish themselves through their:
Superior Durability and Longevity
Ease of Installation and On-Site Modifications
Performance in Aggressive Environments
1. Superior Durability and Longevity
XtraFire™ Lintels are constructed using dense concrete mixes and robust reinforcement, which contributes to enhanced durability and longer lifespan compared to standard alternatives. This superior construction means less maintenance and replacement over time, offering a more cost-effective and reliable solution.
2. Ease of Installation and On-Site Modifications
Thanks to their consistent profile and precision engineering, XtraFire™ Lintels are exceptionally user-friendly on site. Contractors benefit from a quicker, more efficient fitting process, helping to keep projects on schedule and reduce labour expenditure. In addition, the ability to trim lintels to length as needed offers welcome flexibility, with no compromise to performance or fire protection.
3. Performance in Aggressive Environments
XtraFire™ Lintels are specifically designed to excel in challenging conditions, such as coastal, industrial, and high-moisture environments. They exhibit superior resistance to sulphates, chloride ingress, and thermal stress, outperforming standard alternatives that might degrade more quickly in such conditions. This makes them an ideal choice for projects where environmental factors are a concern.
Applications of XtraFire™ Lintels Across Various Sectors
The versatility and superior performance of Naylor XtraFire™ Lintels make them suitable for a wide array of applications across different building sectors.
Residential Buildings
Commercial and Industrial Facilities
Public Infrastructure
Residential Buildings
In residential developments, XtraFire™ Lintels are used to provide essential fire-rated structural support above windows and doors, ensuring compliance with building codes and enhancing the safety of homes. Their reliability makes them a preferred choice for architects and builders focused on long-term safety and structural integrity.
Commercial and Industrial Facilities
For commercial and industrial buildings such as factories, warehouses, and offices, where fire safety is critical due to the presence of valuable assets or high occupancy, XtraFire™ Lintels offer a dependable and fire-rated structural solution. Their high load-bearing capacity is particularly beneficial in these larger structures.
Public Infrastructure
XtraFire™ Lintels are indispensable in large-scale public projects like schools, hospitals, and airports, where fire safety is not only paramount but also subject to stringent compliance requirements. Their proven performance in maintaining structural integrity during a fire, makes them a crucial component in ensuring public safety.
Selecting the Right XtraFire™ Lintel for Your Project
Choosing the correct lintel is vital for optimal performance and compliance. Several factors need to be considered to ensure the selected XtraFire™ Lintel meets the specific demands of a project.
Below is a step-by-step guide to selecting the correct lintel for your project.
Step 1: Assessing Load Requirements and Span Lengths
Begin by accurately determining the load-bearing requirements for the opening, considering all imposed weights from masonry, concrete, and other structural elements. Simultaneously, measure the precise span lengths. This assessment is crucial for selecting the correct lintel size and reinforcement specification that can safely support the anticipated loads.
XtraFire™ Lintel | Orientation (mm) | Max Length (mm) | Max Clear Span (mm) |
|---|---|---|---|
XFS4 | 100 x 100 | 3000 | 2700 |
XFR6 | 100 x 140 | 3600 | 3200 |
XFR9 | 100 x 215 | 3600 | 3200 |
XFS5 | 140 x 140 | 3600 | 3200 |
XFR8 | 140 x 215 | 3600 | 3200 |
XFS8 | 215 x 215 | 3600 | 3200 |
Step 2: Determining Appropriate Fire Resistance Ratings
Identify the specific fire resistance duration required for your project. This will depend on the building's type, use, occupancy, and relevant building codes. Naylor XtraFire™ Lintels are available with various fire resistance ratings, typically ranging from 60 to 240 minutes, allowing you to choose the precise level of fire protection needed.
XtraFire™ Lintel | Fire Rating (minutes) | |||
|---|---|---|---|---|
60 | 90 | 120 | 240 | |
XFS4 | ✓ | ✓ | ✓ | |
XFR6 | ✓ | ✓ | ✓ | |
XFR9 | ✓ | ✓ | ✓ | ✓ |
XFS5 | ✓ | ✓ | ||
XFR8 | ✓ | ✓ | ||
XFS8 | ✓ | |||
Step 3: Consulting with Naylor's Technical Support Team
To ensure optimal performance and full compliance, it is highly recommended to consult with Naylor Concrete's expert technical support team. Their in-depth knowledge and experience will assist specifiers and contractors in selecting and configuring the perfect lintel for your project's unique requirements, ensuring all regulatory standards are met.
Naylor's Commitment to Project Support and Expertise
At Naylor Concrete, we’re dedicated to providing comprehensive support throughout your project lifecycle, ensuring that clients have access to the expertise and resources needed for successful implementation.
In-House Technical Assistance
Our experienced technical team is readily available to offer guidance on compliance, installation best practices, and precise lintel selection. This direct support helps to streamline the planning and construction process.
Access to Comprehensive Resources and Documentation
You can find a wealth of resources, including detailed datasheets, technical specifications, and CAD drawings in our Resource Hub. These documents are invaluable tools for supporting the planning and construction process, providing all necessary information for accurate design and implementation.
Naylor XtraFire™ Lintels deliver unmatched performance in fire-rated applications. They are designed to ensure compliance, safety, and durability for a wide range of projects, from residential to commercial and public infrastructure. For further information or to discuss specific project needs, contact the Naylor Concrete team or download our latest Lintel brochure.