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Lintel wall, install, renewLarge windows are now part of the normal living standard. But what do you do if you own an old building or a house in which you want to install larger windows? The installation of the windows themselves should not necessarily be the problem.
But before that happens, you usually have to change the lintels. The lintel carries the burden of laying over the window opening masonry. Depending on the used construction material and remaining distance to the ceiling, the weight can be immense. Therefore, care must be taken when installing a lintel with great care.
Build lintel yourself - what you should know
The installation of a lintel can usually be done very well on your own. In the trade, there are already finished lintels, which you only have to install. This is very good, if you want to renew existing lintels or create a new window. The finished lintels are made of bricks poured with concrete. For a higher stability iron bars are still incorporated in these. The finished lintels are available in standardized sizes. They are therefore
Easily usable for common windows.
It is important to know the correct size of the lintel. He has to rest completely on both sides. When calculating, you must not only consider the size of the window, but must also the bearing surface
To give attention. In addition, it still matters whether a blind stick is needed for fixing the window. This is also walled in and lies within the lintel. The lintel is always bought in the next larger length to the calculated dimension.
When must the lintel be bricked?
Not all windows can be considered with a finished lintel. In general, this only works, it is rectangular windows. For round windows, the lintel should be bricked individually. However, you prefer to put it in the hands of a specialist.
The walls are made of NF bricks. These are bricks with a particularly high density. To make everything fit, a stencil is often used. The bricks are placed around one of these. Joints and holes between the bricks are generously filled with mortar. The whole thing must dry out well before the stencil is removed.