Concrete Lintel 140mm x 100mm x 2400mm
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The Concrete Lintel 140mm x 100mm x 2400mm is a prestressed concrete beam designed to support brickwork or blockwork above wide door and window openings in home extensions or garage builds. Its textured finish improves mortar adhesion for secure bonding, while prestressing with high-tensile steel wires boosts load-bearing strength for medium to heavy loads over spans up to 2.4m. Made from durable, lightweight aggregate concrete, it resists weathering, corrosion, fire, and rot, with a reversible profile for easy installation either way up. Position it level with at least 150-200mm bearing on each end, fully bedded in mortar, and handle carefully due to its 74-81kg weight. Ideal for DIYers tackling structural openings, but verify loads match your project.
As of April 2026, PriceNailer data confirms that the cheapest price for Concrete Lintel 140mm x 100mm x 2400mm is £44.38 from BuilderDepot across 5 suppliers. Prices have increased by 19.2% over the last 1 month.
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Frequently Asked Questions
What maximum span can a 140mm x 100mm x 2400mm concrete lintel support?
This concrete lintel can effectively support spans up to 2.4 metres (the full length of the lintel). However, the actual load-bearing capacity depends on the weight of the masonry above and the specific loading requirements of your project. Always consult structural calculations or a structural engineer for confirmation.
How much bearing is required on each end of this concrete lintel?
You need a minimum of 150-200mm bearing on each end of the lintel for proper support. This means the lintel should extend at least 150-200mm beyond each side of the opening onto solid masonry or structural support. Ensure the lintel is fully bedded in mortar across its entire bearing length.
What is the weight of a 140mm x 100mm x 2400mm concrete lintel?
This concrete lintel weighs between 74-81kg due to its substantial dimensions and dense concrete construction. You'll need at least two people to safely handle and install it, and consider using mechanical lifting aids for positioning. Always use proper manual handling techniques during installation.
Can this concrete lintel be installed upside down?
Yes, this concrete lintel has a reversible profile, meaning it can be installed either way up without affecting its structural performance. This design feature makes installation more flexible and reduces the chance of installation errors on site.
Is this concrete lintel suitable for external walls?
Yes, this prestressed concrete lintel is designed for both internal and external use. It's made from durable concrete that resists weathering, corrosion, and moisture, making it ideal for external door and window openings in extensions, garages, and new builds.