Choosing between heavy and lightweight furniture for a windy rooftop depends on several key factors. Heavy furniture, like concrete or thick wood pieces, offers inherent stability against gusts but can be difficult to move and may strain roof structures. Lightweight furniture, such as aluminum or resin wicker, is easy to rearrange but is prone to blowing over without proper securing.
The best solution often involves a hybrid approach. Prioritize weight and low-profile design. Opt for furniture with a low center of gravity and streamlined shapes that allow wind to pass through. Regardless of weight, anchoring is crucial. Use furniture weights, sandbags, straps, or permanent anchors to secure all pieces. For lightweight sets, look for those with built-in anchor points. Also, consider modular designs that can be grouped together for added mass and stability.
Ultimately, the "better" choice balances security and practicality. Assess your roof's wind exposure, weight limits, and your need for flexibility. By selecting wind-resistant designs and implementing reliable anchoring, you can create a comfortable and safe rooftop oasis that withstands the elements.