Lanai, pool cage or screen enclosure: what are you actually buying?
The short version
- Lanai, pool cage, birdcage, screen enclosure and screen room are different words that often describe the same family of structure, and which one you hear usually depends on who is talking, not on what is actually built.
- The structure breaks into the same parts everywhere: uprights, beams, a kickplate, spline holding the mesh in its groove, screen panels and a door, whatever word ends up on the estimate.
- Search data for this area is almost all the word enclosure. Real conversations use pool cage and lanai just as often. Both are true at the same time.
- Describing the structure, the walls, the roof type, the size, the doors, gets a comparable quote faster than naming it, because the name changes company to company and the structure does not.
A homeowner posted a quote online and asked a simple question: does this seem fair for a lanai replacement. The replies never answered it. They argued about the word instead. One reply said the structure in the photo wasn't a lanai at all, it was a pool enclosure. The next reply said everyone in South Florida calls it a lanai and always has. A third guessed the habit came from an old sitcom about four women sharing a house in Miami. Nobody in that thread was actually talking about the thing the original poster had asked about, which was a number on a quote.
We build and rescreen these structures for a living, so before we hand you six different words for one thing, know that two of those six, lanai and pool cage, are what we sell. That doesn't make the confusion less real. It just means we see it from both sides of the same phone call, the word we put in writing and the word a caller actually uses.
Lanai, pool cage, birdcage, screen enclosure, patio enclosure and screen room overlap enough that two honest contractors can quote the identical structure and never land on the same word for it. The word depends on the region, the company and the decade someone learned it. The structure underneath doesn't change. Learn the parts instead of the name, and both quotes start meaning the same thing.
Where the word lanai actually comes from
Lanai started as a word for a roofed, open-sided porch attached to a house, covered space before anyone screened it in. That's still the most accurate use of the word: the lanai is the room, not the mesh around it. A house can have a lanai with no screen at all, just a roof and posts. Once a screened structure went up around that same space, or around a pool and the deck beside it, people kept calling the whole thing a lanai anyway, because that was already the word they had in their mouth.
Screen enclosure, pool cage and birdcage name the same structure
Past the word lanai, the rest of the words describe the screened structure itself, and here they genuinely overlap. Screen enclosure and pool cage point at the same object: an aluminum frame with mesh panels, built over a pool and deck, or over a patio with no pool under it. Enclosure is the word that shows up in a search bar and in a written estimate. Cage is the word people say out loud. One Cape Coral homeowner typed "Pool cage costs" as a post title, then asked about a new pool enclosure in the very next line, without ever noticing she'd used both.
Birdcage is a third name for the same family, used mostly for an enclosure with a fully screened roof and no solid panels, because from underneath, the roof line reads like the wire dome on an actual birdcage. It describes a shape and isn't a separate line item for us. Ask for a birdcage and what gets quoted is a screened pool enclosure built for Cape Coral with an all-mesh roof, priced and engineered the same way any other one is.
The parts, no matter which word is on the invoice
Whatever word lands on your estimate, the structure breaks into the same handful of parts. Uprights are the vertical posts, set on base plates bolted to the deck or footer. Beams run across the top of the uprights and carry the roof, whether that roof is mesh, solid panel, or a mix of both. A kickplate is the solid strip at the bottom of a wall panel, usually knee height, that keeps the mesh away from mower blades and pets. Spline is the thin rubber cord that pins the mesh into a groove around the frame, and it's usually the part that lets go before the screen itself does. Mesh panels fill the rest of each wall and the roof. The door is its own small system: hinges, a closer, a latch, and a frame that has to stay square or it stops closing on its own.
Ask about any one of those parts by name and it won't matter whether the person on the other end of the call calls the whole structure a lanai, a cage or an enclosure. They'll know exactly what you mean.
One word wins the search bar, a different word gets said out loud
Searching and talking use different words, which is why the confusion never gets fixed. When people search online for this work, almost all of them type some version of enclosure: aluminum enclosure, lanai enclosure, patio screen enclosure. Pool cage barely shows up in that data at all. Listen to an actual conversation instead, at a cookout or on a quote request, and pool cage comes up constantly, right alongside lanai. People type one word and say another, and most company pages only ever answer the one they typed.
The word on a page and the word in a homeowner's mouth can be two different words pointing at the same aluminum and mesh. Neither one is wrong. They're two dialects of the same structure.
Describe the structure and an enclosure quote gets easier to compare
The practical part matters more than the vocabulary. When you call around for quotes, naming the structure gets you less than describing it. "Pool cage" and "lanai enclosure" can each mean many different sizes, roof types and wall counts. Wall count, roof type, door count, and whether it attaches to the house or stands alone: that description means the same thing to every contractor who hears it, no matter which word they would have reached for first.
That's also a piece of why pool cage quotes vary so much between companies: two quotes that look far apart are sometimes pricing two different structures that both got called the same name over the phone. Describe the walls, the roof, the doors and how it attaches before anyone measures anything, and the two numbers you get back finally answer the same question.
A lanai without a screen, and when it becomes an enclosure
One more distinction is worth keeping straight, because it changes what gets built as well as what it's called. A lanai can exist with no screen at all: a roof and posts, open on every side, sometimes called a covered patio instead. Add screened walls around that same footprint and most people start calling it an enclosure, whether or not it also covers a pool. Patio enclosure and screen room usually describe that same structure when there's no pool under it, the same aluminum frame and mesh built over a lanai or a patio instead of a deck. The roof is where the bigger practical fork sits, mesh panel against a solid roof, and a screen roof against a solid roof changes heat, rain and light more than the name on the quote ever will. We build both, including the covered lanais that Cape Coral homeowners ask for, under either roof.
Naming questions that come up before the estimate
Is a lanai the same thing as a pool cage?
Sometimes, not always. A lanai is the room, covered and sometimes screened, attached to the house. A pool cage is a screened structure built specifically over a pool and deck. A screened lanai that happens to include the pool is functionally a pool cage wearing a different name. A lanai with no pool under it isn't a cage at all, whatever gets said on the phone.
What is a birdcage, and is that a different service?
It's a nickname for an enclosure with an all-mesh roof and no solid panels, named for the shape. We don't sell birdcages as their own service. We build screened enclosures, and an all-mesh roof is one option on that structure, whatever a neighbor happens to call it.
Does the word I use change what I get quoted?
It shouldn't, and if it does, describe the structure instead of the name next time you call. Say what's being enclosed, how many walls, what kind of roof, how many doors. Any contractor worth hiring will ask those same questions back before a number means anything.
We work Cape Coral, Fort Myers, North Fort Myers, Lehigh Acres, Estero, Bonita Springs and Punta Gorda, building and rescreening lanais and pool enclosures under whichever word you walked in with. Call with the structure in hand and we'll meet you there.