Outdoor sofas can indeed be used in a windy rooftop setting, but their suitability depends on several factors. First, the material and construction of the sofa play a crucial role. Opt for heavy, weather-resistant materials like powder-coated aluminum, teak, or synthetic rattan, which are durable and less likely to topple in strong winds. Additionally, look for sofas with sturdy frames and low profiles to minimize wind resistance.

To further secure the furniture, consider anchoring it with weights or straps, or placing it near a windbreak like a railing or wall. Modular or sectional sofas can also be a practical choice, as they can be rearranged or moved easily if needed.

Lastly, invest in high-quality, windproof cushions with quick-dry fabrics to prevent damage from sudden weather changes. With the right selection and precautions, outdoor sofas can transform your windy rooftop into a stylish and functional retreat.