Lintel loading method: Overview of BS 5977
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.
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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.
We have invested in large stock inventories at our two manufacturing and distribution centres reassuring our customers that all our standard lintels are instantly available upon request.
The IG Box 100 Lintel features a fully welded box section that delivers even load distribution across openings, ensuring reliable performance in residential and commercial construction. Its lightweight
Internal box lintels are used for supporting loads over internal openings in load-bearing walls. These lintels are designed to support masonry, floor, roof, and
Compact final distribution boxes for safe, accessible, and precise power control across all electrical environments.
IG leads the market with a bespoke design service for special lintels and brick slip feature lintels, including onsite measurement and technical assistance. Our in-house experts use the latest thermal
Health & Safety ! Point loads must be flat on the lintel, bear over at least 50mm of the lintel length, and must be either against the web (DB lintels) or all the way across the box section:
Keystone Lintel (HD BOX/K-100) is a heavy duty load bearing rectangular profile lintel manufactured from high quality grade, zinc coated, pre-galvanised mild steel to support internal or external
BOX/K-100: For installation advice please refer to our lintel installation guide. For more guidance please contact our technical team.
The IG HD BOX100 lintel is engineered for heavy-duty applications in solid walls with widths ranging from 100mm to 140mm.
This note offers advice on the different types of lintel that are available, the detailing requirements of lintels, and the way in which they are designed.
The Catnic BSD100 is a standard-duty steel lintel designed for internal load-bearing masonry walls of 100mm and 140mm thickness.
It does this by spreading the vertical load of the masonry – and any other vertical loads being applied to the wall – away from the opening to either side of it. This Technical Guidance Note offers advice on
Manufactured using a reinforced box section profile, the IG Box 200 helps distribute higher imposed loads efficiently into surrounding masonry while reducing
The document outlines the design considerations, types of lintels, and detailed design steps for calculating loads, moments, and reinforcement requirements. It also includes example problems for
The lintel is defined as a transverse load beam positioned over an opening in a wall to support the imposed loads above the lintel, as shown in Figure-1. In this article, various design loads exerted on
Lintel beams carry the load above doors and windows. Learn how they work, what materials to use, and where mistakes usually happen.
IG''s lintel selector helps you to find the right lintel to suit your project at the click of a button. Wondering which lintel do I need – this is for you.
Intel® oneAPI Toolkit supports direct programming and API programming, and delivers a unified language and libraries that offer full native
Catnic — A Tata Steel Enterprise Two-dimensional temperature distribution, highlighting the effectiveness of the thermal break in the lintel.
This galvanised steel box lintel measures 1200mm in length and is suited for use in solid wall constructions, including both internal and external openings. Its design allows it to support loads over
Keystone Single Wall Box Section Lintel (BOX/K-75) are standard load bearing rectangular profile lintels for wall widths of 100-215mm.
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.
Lintels are manufactured to BS 845-2:2003, tested to BS 846-9:2000, and loadings assessed as per BS 5977-1:1981. Materials used in the making of Stressline prestressed concrete lintels comply with BS
Stressline SL100BOX Internal Solid Wall Steel Lintels are galvanised steel ''box'' type lintels designed for internal walls of 75mm to 150mm in width. Box lintels are easy to install and the SL100 have the