GBA’s library of construction details continues to expand. The latest two additions are details for second-floor balconies.

Many second-floor balconies — especially those created by cantilevering floor joists — leak heat and admit water. To avoid problems with air leakage, thermal bridging, and moisture entry, use one of the following details:

• Second-Floor Balcony Supported by Brackets
• Second-Floor Balcony Supported by Steel Rods

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The new details for second-floor balconies, like most details on the GBA website, are available only to GBA Pro members.

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