To determine if your roof can support an aluminum strip roof, you should consider the following: First, assess the structural integrity of your existing roof, including the strength of the rafters and the overall condition of the roof structure. Second, calculate the weight of the aluminum strip roof and compare it to the load-bearing capacity of your roof. Third, consult with a structural engineer or roofing professional who can provide a professional assessment. Lastly, ensure that your roof has adequate ventilation and drainage to prevent damage from moisture buildup, which can be exacerbated by the addition of an aluminum strip roof.