The lintel of the doors and windows should be as high as a whole row if possible. The 90 cm parapet height can easily be created with a 10 cm ordinary inner flooring. The top 5 centimetres of the ballustrade should not be treated with concrete: polystyrene cut to size should be placed here. The IsoteQ® lintel should be overhung the opening.  In the overhanging, the bottom of the lintel should be cut out in order to provide free flow of the concrete, and the sized reinforcement should be positioned.

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