Yes, you absolutely can and often should use indoor/outdoor rugs underneath your urban outdoor furniture on a concrete balcony. These versatile rugs are specifically designed to handle the unique challenges of exterior spaces. They provide a crucial protective layer, preventing scratches and wear on your furniture legs and the concrete surface itself. Beyond protection, they add instant comfort, warmth, and style, transforming a hard, cold slab into a cozy and inviting extension of your living area.
When selecting a rug for this purpose, prioritize materials like polypropylene, polyester, or solution-dyed acrylic. These fibers are inherently mold-resistant, quick-drying, and can withstand sun exposure without significant fading. Ensure the rug has a non-slip backing or use a separate rug pad designed for outdoor surfaces to enhance safety and stability. Regular maintenance—such as occasional sweeping, rinsing with a hose, or mild cleaning—will ensure your rug remains fresh and durable, making it a perfect foundation for your balcony oasis.