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How to Repair a Composite Door Composite doors are extremely durable, but they can have issues. Most of the time, these problems can be resolved easily by performing simple maintenance and regular inspections. Often all that's required is to tighten or put longer screws to the hinges to assist them to lift back into position. Also, ensure that you clean the drainage holes regularly. Draughts Composite doors are designed to be energy efficient and provide a high degree of security, but they can a