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Yes, there are several alternative materials that can replace aluminum extrusions in construction projects. These include steel, which is strong and durable but heavier; fiberglass, known for its lightweight and corrosion resistance; and thermoplastics like PVC, which are cost-effective and easy to work with. Each material has its own advantages and limitations, and the choice depends on the specific requirements of the project, such as strength, weight, cost, and environmental factors.
