Deciding on cast iron furniture for a second-story balcony requires careful consideration. The primary concern is weight. Cast iron is exceptionally heavy, and balconies have specific load capacities, usually measured in pounds per square foot (PSF). Exceeding this limit can risk structural damage or failure.
First, consult your building's architectural plans, homeowner's association (HOA) rules, or a structural engineer to determine your balcony's exact weight limit. A typical limit might range from 40 to 60 PSF for live loads (people and movable furniture). A single heavy cast iron chair can easily weigh 50-80 pounds, and a table much more, quickly consuming this capacity before anyone even sits down.
Beyond the static weight, consider dynamic loads from people moving, leaning, or gathering. Safety must be the top priority. If in doubt, opt for lighter alternatives like aluminum, resin wicker, or hollow tubular steel that offer similar aesthetic appeal without the extreme weight. Always ensure furniture is securely positioned and never overload your balcony. Ultimately, while cast iron is durable and stylish, its weight often makes it unsuitable for elevated balconies unless its load capacity has been professionally verified as sufficient.