This is a cavity wall lintel from Keystone Lintels Ltd, manufactured in galvanised steel, designed to provide durable support above structural openings such as doors and windows. At 3300mm in length, it is intended for larger spans where stable load distribution is essential.
Suitable for cavity widths between 70 and 85mm, this lintel is used in general building applications where a standard-duty solution is required. Typical installation is within brick or block cavity walls, with compatibility for an inner leaf of 100mm and an outer leaf of 125–150mm, making it a fit for a range of domestic or commercial projects.
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