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These outdoor room installations cannot penetrate the building envelope and must follow strict overhang dimensions designed to protect the fireplace from weather penetration.
Note that our indoor-outdoor and outdoor vent free fireplaces still must follow their own separate guidelines designed to properly vent combustion gas from outdoor spaces.
![](https://www.montigo.com/drive/uploads/2017/11/montigo-modern-residential-fireplace-liner-glass-1200x840-1200x840.jpg)