URBAN PLANTER BOXES

When filling a balcony with urban planter boxes, a common question is: how much weight can it safely support? Typically, residential balconies are designed to hold live loads of 100 pounds per square foot (psf) or 40-50 psf for older structures, but this varies by building code and construction. However, this capacity includes people, furniture, and planters combined. To calculate your setup's weight, consider that a standard plastic planter box (24x12x12 inches) with moist soil weighs 25-40 pounds, while larger wooden or metal ones can exceed 100 pounds. For example, a 50-square-foot balcony might handle 5,000 pounds total, but if you add 10 medium planters at 30 pounds each, that's 300 pounds—leaving room for other items. Always check your building's specifications, distribute weight evenly, and avoid overloading corners to prevent structural risks. Consult a professional if unsure, as exceeding limits can lead to damage or collapse.