Jun 13, 2026
Solid Wall Lintels: What You Need to Know At First Fence, our Solid Wall Lintel range is engineered for structural openings in solid masonry walls, such as brick or block walls of approximately 200–215
Dec 28, 2025
A lintel calculator is an essential tool for builders, engineers, and homeowners to determine the correct lintel size, material, and load capacity for doors, windows, and wall openings.
Mar 15, 2026
Box lintels can be used for internal or external openings and with a variation of wall thicknesses. The IG box lintel has perforations along its length acting as a plaster key.
Aug 04, 2025
BOX/K-100 For standard load Wall widths 100-215mm For installation advice please refer to our lintel installation guide
Dec 25, 2025
BS 5977-1:1981 relates to the method of assessment of load for lintels. Here we look at how they relate to the selection and specification of lintels.
Dec 10, 2025
Our comprehensive range of standard steel and concrete lintels offers design capability for all circumstances, designed to the relevant BS standards and with the assurance of BS ISO 9001:2015
Jan 20, 2026
Keystone produces a wide range of standard galvanised steel lintels. All Keystone standard lintels satisfy the Thermal Performance requirements of all UK building regulations.
Feb 18, 2026
Common thicknesses are 35, 36, 45, 63, and 75 mm. Standard thicknesses relate to the veneer thickness (typically 3.2mm) x the number of veneers in the cross-section.
Feb 28, 2026
Total UDL The UDL (Uniformly Distributed Load) is the total load in (kN) that is uniformly distributed along the span of the lintel relative to the load ratio.
May 26, 2026
Discover how to calculate lintel loads for doors and windows. Step-by-step guide, practical scenarios, and basics for ensuring structural safety.
Jun 07, 2026
General Technical Particulars for LT Distribution Boxes : - The L.T. Distribution Boxes should be of the dimensions as per the drawing & details in the table furnished. approved clearances and technical
Dec 11, 2025
Stressline standard galvanised steel lintels are manufactured from DX51D grade steel to BS EN 10346:2006, with a zinc coating type Z600, giving a minimum zinc coating of 600g/ m2 per two sides.
Apr 04, 2026
Calculating the load imposed on lintels depends on a variety of factors, including the wall type in which the lintel is installed, and whether floor or roof loads need to be
Feb 01, 2026
Internal solid wall or ''box'' lintels are a versatile type of lintel used for a number of applications, and for walls up to 150mm wide. Find out more now.
Mar 16, 2026
The IG Lintel range has safe working loads as detailed in each applicable loading table in our Lintel Guide brochure. The structural performance figures within each table have been ascertained by
Apr 11, 2026
IG continues to provide the largest range of lintels available, with the shortest lead times in the industry. We have invested in large stock inventories at our three manufacturing and distribution centres
Jun 05, 2026
Typical Lintel Slab Layout Features: Thickness: Usually ranges from 100 mm to 150 mm depending on span and load Depth of Lintel Beam: Typically
Oct 07, 2025
BOX/K-100: For installation advice please refer to our lintel installation guide. For more guidance please contact our technical team.
Dec 19, 2025
At-tention should be given to the bottom thickness and the shape of the lintel as they may limit the number of reinforcing bars that can be placed effectively. Where open bottom bond beam units are
Sep 13, 2025
Our comprehensive range of standard steel lintels offers design capability for all circumstances, designed to the relevant BS EN standards and with the assurance of BS EN ISO 9001:2015
Feb 07, 2026
Typical Lintel Beam Details The document provides details on the schedule of reinforced concrete (RCC) lintels for clear spans between 600mm to 5200mm. It
Jul 08, 2026
The Catnic BSD100 is a standard-duty steel lintel designed for internal load-bearing masonry walls of 100mm and 140mm thickness.
May 10, 2026
HOT-DIP GALVANISED STEEL LINTEL FEATURES Galintel® products are hot-dip galvanised to Australian standards to ensure that all surfaces are fully protected.
Aug 20, 2025
A Box lintel can be used for internal or external openings and with a variation of wall thicknesses. As an optional extra box lintels can be insulated.
Jul 14, 2026
Standard steel lintel sizes are an essential aspect of construction projects, providing structural support and load distribution. Understanding the
Jul 03, 2026
With more than 10,000 lintel variations from which to select for any building, the correct choice of lintel depends on a variety of factors, including the load on the lintel, the structural opening and the type of
Nov 26, 2025
How are box lintels used in different applications? Box lintels are a versatile form of structural support, easily coursed in with standard masonry units in solid external walls, masonry cavity walls and
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