About this deal
Remember due to the bonding process of door panels they will always work to a 1-2mm depth tolerance. In doors that are particularly old it should be noted that the glazing gaskets will of lost some compression purely due to been compressed over such a long time and variation in seasons. If this is the issue you may need to also consider replacing the glazing gaskets as an option. Alternatively a suitable all weather sealant may be additionally required. Transfer the dimensions onto the panel to be cut & in the case of panels with a raised molding ensure these are centrally laid out to fit in the overall dimensions. N:B leave the protective film on the panel for marking out & cutting to prevent any marks or scratches.
The panel is easily cut to size using a fine cut timber panel saw, Jig saw or if preferred circular saw. Removing the beads is best done with a purpose made glazing bead knife (Our part:2143 & you may find our how to do You Tube Video: Replacing A Double Glazed Unit (DGU) Clean the panel and door down using either warm soapy water or Upvc cream cleaner for more stubborn marks and scuffs.