Which fans and lights belong in an outdoor wood ceiling?

The ratings on the box, what they mean under a lanai roof, and how to plan them into the boards.

Damp-rated or wet-rated: which fan goes on a lanai ceiling?

A damp location is one normally or periodically subject to condensation; a wet location is one where water may drip, splash or flow onto the fixture^[10]. Outdoor damp-rated products belong only in covered, fully protected places that are not exposed to water even during storms^[10]. UL, ETL and CSA marks are all from OSHA-recognized test labs and carry the same weight for this purpose^[10].

The same guide’s rule of thumb: if rain could reach it, choose wet-rated^[10]. On a Gulf Coast lanai, where summer storms push rain sideways through the screen, fixtures near the open side are the ones to think about.

How should lights and fans be planned into a wood ceiling?

• Lay out first. Fan centers, recessed lights and pendants are placed on the board layout before the first board goes up, so openings land cleanly.
• Support the fan from framing. A fan needs a box and support rated for ceiling fans, fixed to the structure, not just to the boards.
• Seal the cut ends around every opening, since water enters end grain far faster than faces^[5].
• Match the metal. Trims, screws and brackets near the coast benefit from the same corrosion thinking as the rest of the ceiling^[7].
• Use a licensed electrician for the wiring, and pull a permit where one is required.

Do lights change how the wood looks?

Very much. Warm recessed light across a stained ceiling brings out grain and gloss in the evening, which is when most lanais get used. Plan dimmers, and look at stain samples under the same kind of light you will install.