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Thresholds For The Standard PVC BiFold Door Range

On the standard range of PVC bifold doors, the threshold has a face fixed aluminium track. On open out doors it is fitted to the outside and correspondingly on open in doors it is to the inside. You should take into account the overall threshold height when measuring your door, so that you can reduce the height of the step. Click on the relevant links for your chosen threshold to show open out, in and buried enlarged printable images.