Maintaining Balconies and Terraces Safety Comes First

Before embarking on a real estate hunt, most prospective buyers craft lists. The “must have” list (square footage, operational plumbing, windows), the “would love list” (lots of natural light, Jacuzzi bathtub, doorman) and then the “probably just a dream” list (heated bathroom floors, private elevator, silent neighbors). 

Somewhere on these lists fall balconies and terraces. Both are at a premium in major urban areas like New York City or Chicago, and those cosmopolitan residents lucky enough—or wealthy enough—to have a balcony or terrace likely don’t think about the complex structure behind (or rather, under) the square footage that houses their potted plants, lounge chairs and Weber grills. Pleasant and valuable as they are, these small squares of real estate come with their own set of maintenance and safety concerns. 

Part of the Whole

It doesn’t take long to find news reports of tragic balcony and terrace accidents. In New York City in 2013, 35-year-old Jennifer Rosoff was killed when the railing on her 16th floor balcony buckled. In Chicago in 2003, a balcony collapsed during a party, killing 13 people and injuring over 50 more. The accident still stands as the deadliest porch collapse in the United States. These and numerous other tragedies are not meant to scare residents away from enjoying their outdoor space, but they do highlight the importance of regular maintenance and inspections of balconies and terrace areas, as well as the responsible use and upkeep of them by their owners. Even the most well-intentioned building manager may not know how to spot a problem and have it properly diagnosed and remedied—so we turned to some experts and history to help. 

Balconies and terraces are built just like buildings (which is to say, out of a mix of steel, concrete and wood) and come in essentially three different construction styles. A cantilevered balcony protrudes directly from the face of a building, seeming to float with no visible supports. Cantilevered balconies are planned and installed as part of a building’s larger design—they can't be added on after construction is finished.  By contrast, a hung balcony consists of a large plate or slab connected to the building, supported and stabilized from above by stainless steel cables. Finally, a stacked balcony (very common in Chicago) requires the least predesign. Stacked balconies are a separate structure from the building, and are supported using vertical pillars sunk into the ground to support the weight of the balcony.  

According to Mimi Simon, director of public affairs at the Chicago Department of Buildings, as per the city's Building Code, balconies are allowed to be extensions of the building's floor structure (cantilevered), concrete/precast slabs attached as an extension to the building’s façade (hung), or added on as part of a complete structure with a wood deck or other type of material used as the balcony's floor (stacked). Some balconies are attached and supported by rods or 'arms' attached to the building and to other balconies; or they are supported at the base/ground level (grade) of the building.”  

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