Take into account that, if the discrete strips option is selected, it is necessary to input a value for the spacings (sf). Due to safety reasons, this value is limited to 0,8d (0,8 x static depth of the element), so that no diagonal crack may be formed without intercepting a strip.
In the same way, the minimum value for the spacings equals the width of the selected SikaWrap® fabric (bf), since otherwise the CFRP scheme acts as a continuous jacket.