Tip: A coat of deck sealer brings out the natural color of the cedar.

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Tip: For a three-season version, Hilpipre-Wright suggests putting polycarbonate plastic siding around the exterior to create a greenhouse.

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Tip: If you use a fountain pump that runs on electricity, make sure you build it near an outlet. Use battery- or solar-powered pumps for location flexibility.

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Tip: For nighttime lighting, run electricity to this room and install an electric light fixture. Tip: Prevent extra wear to your outdoor curtains by hanging them high enough to clear the ground.