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Showing results for tags 'structural arch opening'.
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Hi, well we are finishing the new extension and the old external wall opening doesn’t have a lintel as far as we can tell The opening is 2400 wide and is formed on the outside wall, the old outside, with an arch. under the arch is a grp former which we have removed , but the builder tells me that it was quite normal to build these with no lintel. I called my structural engineer and he told me it would have been built with a lintel , maybe over the top, but we can’t see it and drilling through the arch masonary upwards doesn’t hit anything. The building is 1987 and was built by a very good building company to a high standard , so I can only assume the method was correct. There is a plate above the opening in the attached photo installed as part of the extension to take the additional roof ridge steel load. My question is 1. Is this something that anyone else has experience with and could there be a lintel in another position.
