We recommend that all short end joints should always fall on the centre of a secured joist, including perimeter edges. For every short end joint, an additional mechanical fixing is required.
For further information, please refer to our Advanced Fitting Guide here.
For additional information, please refer to the WPIF Guidance or the relevant NHBC Standards, which can be found here:
NHBC guidance – section 6.4
WPIF guidance – section 2.4