Attached vs Freestanding Pergola: Water Management, Flashing, and Structural Tradeoffs (2026)

If you're deciding between an attached pergola and a freestanding pergola, don't start with style. Start with risk.

• Choose attached when you want a seamless indoor-outdoor transition and you can manage wall penetrations, flashing, and drainage integration.

•  Choose freestanding when you want placement flexibility and you want to avoid wall penetrations—but you must spec anchoring, footings, and exposure correctly.