Window Glass Glazing Repair. WE DO EVERYTHING TO DO WITH PVC WINDOWS, DOORS AND CONSERVATORIES, WE OPEN LOCKED OR JAMMED DOORS, JAMMED OR STICKING WINDOWS. DONT DESPAIR , WE CAN REPAIR, LOCKS HINGES, HANDLES, HINGES, DRAUGHTS, SMASHED GLASS, DOUBLE GLAZED UNITS, VELUX REPLACEMENT AND ROOF LEAKS.