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Wade Building Supplies£38.00Visit shop Stressline Size 900Mm Standard Duty 100Mm Box Lintel Sl100box
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B&Q£94.55Visit shop - Uklintels Internal 100mm Wide Box (Standard)900mm Length
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Homebase£189.00Visit shop Uklintels 100Mm Galvanised Steel Standard Internal Box Lintel 2400Mm
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The Stressline Standard Duty Box Lintel (SL100BOX) is designed for professional builders and contractors tasked with providing reliable structural support for internal solid walls. Its primary benefit lies in its high load-bearing capacity and integrated plaster key, which simplifies finishing work while ensuring long-term structural integrity. However, it is essential to note that this lintel is specifically engineered for internal applications; users must ensure the correct load specifications are met for their specific masonry or timber support requirements before installation.
| Model Part Number | SL100BOX |
|---|---|
| Brand | Stressline |
No, this lintel is specifically engineered for internal wall applications.
A minimum of 150mm of masonry bearing at each end is standard for proper load distribution.
The galvanised coating provides sufficient protection for internal use, though it can be painted if desired after using an appropriate metal primer.
It is not recommended to cut the lintel as this can compromise its structural integrity and void the warranty; always select the correct length for your span.
The plaster key is integrated into the design to assist with finishing, though it does not interfere with the structural function of the lintel.
Check that the lintel is adequately supported during the masonry curing process and that the load does not exceed the maximum rated specifications.
Ensure the plaster key surface is free of dust, loose mortar, or grease; apply a suitable bonding agent if necessary before plastering.
Installation requires that the lintel is bedded on a minimum of 150mm of brickwork at each end to ensure proper load distribution. Always ensure the lintel is level and that the mortar joints are fully filled to prevent gaps. For compatibility, this lintel integrates seamlessly with standard building materials, including concrete blocks, bricks, and timber joists. Care instructions are minimal; as the unit is galvanised, it should be kept in a dry, covered area prior to installation to maintain its corrosion-resistant properties. If the coating is accidentally damaged during installation, it is recommended to apply a cold-galvanising paint to the affected area.
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