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Aluminum vs Steel Above Ground Pools

Aluminum vs Steel Above Ground Pools

It’s not as big a question as it was six or eight years ago, but I still get a fair amount of people asking about aluminum above ground pools. The main reason anyone would consider an aluminum over a steel above ground pool is to avoid rust. This is definitely true as aluminum won’t rust. Rust is a term that is used only for the oxidation of iron and aluminum has no iron. It will corrode, though, so there’s not much to gain in getting an aluminum pool, but it’s worth going over the pros and cons just in case your heart is set on getting one.

If you don’t want to read this whole article just to get my opinion, then no worries. I’ll give it to you right now. In the general sense, aluminum pools are not worth the extra cost. Now, if you have the time to find out why, read on.

The Different Types of Aluminum and Steel Above Ground Pools

There are about six variations of aluminum and steel pools and they each have pluses and minuses. Let’s go over them. Shall we?

I. All aluminum pool

This is an above ground that has every part of it made of aluminum. The wall, top and bottom tracks, all the connectors, stabilizer bars, top rails, uprights, and top caps are 100% aluminum. These pools are usually nicer than average and are a lot more expensive.

II. All steel pool

all steel above ground pool
All Steel All Fun

All steel pools aren’t as common as before, but there are still quite a few of these manufactured. They have steel walls, tracks, connector plates, uprights, stabilizer bars, top rails, and top caps. These are mostly the lower-end models of above grounds.

III. Part aluminum, part steel pool

There are some variations here, but mostly these pools will have aluminum top rails and caps and the rest is steel. These aren’t too bad, because they have steel walls. They can still be quite a bit more expensive, though.

IV. Part steel, part resin (aka hybrid above ground pools)

resin above ground pool
hybrid Steel resin Above Ground Pool

This is the most popular type of above ground today. Almost all of them will have steel walls, but there are various combinations of resin and steel parts. Some will have resin bottom tracks and/or resin connector plates. Some will have resin uprights with steel bottom tracks. Most of these, though, come with resin top rails and caps with everything else being made of steel. Overall, this is my favorite combination.

V. Part aluminum, part resin

This isn’t a super common type, but I do see these. They mostly have aluminum walls, top connectors, and stabilizer bars combined with resin top rails. These are not my favorite as they have aluminum walls and are still pricey for what you get.

Resin Above Ground Poo
welcome to the Matrix Resin Above Ground Pool

VI. All resin pool

I hear this term a lot and it’s not accurate. Resin material is plastic and is in no way strong enough to hold the pool water. So, an all resin pool still has to have a wall made of metal. And they almost all have steel walls. So, an all resin pool really is a pool that has every part of it made of resin, except the wall.

Also, some pools that are called “all resin” will still have some steel parts like connector plates and steel screws. The only model that comes to mind that is truly all resin (except of course the wall) is one called the Matrix by Wilbar.

VII Extruded aluminum wall pool

This type of above ground has quite a different wall from the others. The other pool walls are one continuous piece while this one comes in sections that interlock together.  The wall sections are made of extruded aluminum which makes them stronger and thicker. The extra thickness is very important in that this wall could never corrode enough to make the wall fail and not hold the water of the pool.

This pool is considerably more expensive than the others and the only real difference is the wall. Manufacturers sell this as a semi in-ground pool and that’s why it has that fancy wall system. The wall is strong enough not to cave in when the pool is empty and in the ground. This is nice and true, but I’m not sure if it’s worth the extra cost as a regular walled above ground pool goes in the ground too and usually with few issues.

VIII. Semi in-ground pool

I hear this term more and more and it’s slightly misused. First off, there really is a thing called a semi in-ground pool and that’s not at all what I’m talking about here. A real semi in-ground pool is closer to an in-ground vinyl liner pool than an above ground in price and structure. A more accurate term for what I’m discussing is a “semi in-ground above ground pool”.

The term semi in-ground is used for above ground pools that can go partially in the ground. I say this is a misused term, because all above ground pools can go partially in the ground. The fact is the only real “semi in-ground above ground” pool that I know of is the above-mentioned extruded aluminum wall pool. Interestingly, I have installed the extruded aluminum pool above the ground as much as I have installed it semi in the ground.

Nice List, Dude, but Should I Get Aluminum or Steel?

The above-mentioned types of pools have three kinds of walls – steel, aluminum, and extruded aluminum. If I’m strictly speaking of the wall itself, then I don’t see any advantage to getting the regular aluminum wall for your above ground pool. They are flimsy and are too thin to stop corrosion from eventually compromising the wall’s integrity. Regular aluminum walls are bad for installing the pool halfway in the ground too as they are not at all rigid and thus have a greater capability for a cave-in when the pool is empty.

Extruded aluminum walls are really strong and will last forever, but the price difference is really big. Unless you have enough money for it not to matter, I don’t recommend the extruded wall pool. Steel walls is my choice. Most above grounds have steel walls so you’re good there.

So, now that I have established that I prefer the wall of the pool to be steel, what about the other parts? I have had good luck with other parts of the pool being aluminum. Uprights and top rails made of aluminum seem to hold up better than steel ones for sure. I do prefer resin top rails over all others as they usually hold up better than the metal ones. I also prefer the bottom track and connectors to be made of steel too as aluminum can be too light and flimsy and resin connectors can crack.

When buying a hybrid above ground, there is almost no way to find out which parts are made of what and it may not matter much anyway. For me the best combination is for a pool to have a steel wall, steel bottom track, steel or aluminum bottom connectors, steel or aluminum top connectors, steel top stabilizer bars, steel or aluminum uprights, and resin top rails and caps.

author avatar
Dan Dougher

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84 responses to “Aluminum vs Steel Above Ground Pools”

  1. Chris Avatar

    Hello Dan, I am about to purchase a “semi above ground” steel/resin pool from the pool factory (the signature RTL, basically what you suggested). I had the installer come and estimate the dig. He is claiming that the steel pool will last 10 years at most and that once the liner goes, the entire pool will need to be replaced. And that I should drop the extra $3K now for an aluminum slat pool that will last 30yrs+ . Can you confirm if he is making sense ?

    Also, what pool do you guys sell that would be most comparable and able to be dug down half way?
    Thank you for the awesome post.

    1. Karen Avatar

      I’d like to know the answer to this question as well. I have been thinking of purchasing the same pool.

    2. Dan Dougher Avatar

      What the guy is saying is mostly true although in thirty-one years, I have noticed the average good above ground goes through two or three liners in it’s life and not just one. I have noticed pools lasting on average between 10 and 20 years so is it worth it to spend the extra money? I guess it depends on how long you plan to live there.

  2. Dawn Avatar

    What is your opinion of the Doughboy pools?

    1. Dan Dougher Avatar

      Yes, I have comments but they need questions first. Ask away.

  3. Jess Avatar

    Whats your thoughts on the Girbarator pool? Its obviously pricey for above ground but its slated insteas of rolled and can provide 2 different depths eith a built on deck

    1. Dan Dougher Avatar

      I have never built one as rectangle shaped above grounds are not at all popular in Florida. They look like quality to me. My only comment is with these pools that come with decks and rails. The will last almost forever but have that look and feel of an above ground pool. Getting an above ground pool only and then building a custom deck to it using wood, composite, or pavers can give you a better look and feel.

  4. Darryl Avatar

    Would you still recommend steel walls and bottom rails for a saltwater pool?

    1. Matthew Simmons Avatar

      I suggest either getting an aluminum or better yet Resin pool like the Matrix. I say better yet, because resin is less expensive than your average Aluminum pool, but you keep the none-rusting properties.

      1. Dave Masch Avatar

        do the Matrix allow for an expandable liner so we can make the middle deeper than the sides

        1. Matthew Simmons Avatar

          An expandable liner can be used on a Matrix A/G Pool.

  5. Kevin Avatar

    Is the dauntless pool by MGK quality or what?

    1. Dan Dougher Avatar

      Until now, I have never heard of a dauntless pool. I looked it up and it looks like they are sold from some local guy who is either just starting out, or only sells a few above grounds a year. By the pics I saw, I can’t tell much about it other than the design looks old and outdated and the models lean toward the lower end. And what’s with the name? Really? What would make this pool void of “daunt”?

      1. Michael Kern Avatar

        Pool is made by Buster Crabbe… AKA Aquasports Pools out of Jersey, and is better than any rolled wall pool I have ever seen. MGK Pools (me) sells hundreds of pools a year… The only pool better would have slat wall panels as described in the article.
        There are different thickness of pool walls, steel or aluminum. Nobody sells a thicker aluminum rolled wall pool than Buster Crabbe, and they are not flimsy! I would put it up against and rolled steel wall pool, and does not cost way more.

        1. Dan Dougher Avatar

          All continuous roll aluminum above ground pool walls are flimsy. Period. And how do you know Buster Crabbe makes the thickest continuous aluminum wall? Have you weighed walls from different manufacturers? I have and I don’t know this so please back this statement up with something. I don’t know how much extra the cost of what you are talking about, but I do know it’s more and in most cases not worth the extra cost regardless.

  6. Lori Avatar

    Do they all install pretty much the same? Meaning is one easier to install than another?

    1. Dan Dougher Avatar

      They are the same except that the aluminum wall is lighter and flimsier which can make installation more difficult with wind.

  7. john Avatar

    I just bought an all aluminum slat pool it is a bermuda pool made by wilbar. It seems that the top plates won’t fit correctly because the aluminum is to thick. The direction say the top brackets go in between the uprights then later in the directions it seems to say to lock the top plate over the curved section but the top rail won’t snap over. Any help please????????

    1. Matthew Simmons Avatar

      Have you tried calling the dealer from where it was purchased to make sure you were provided the correct parts? Above ground pool kits come in several boxes and can sometimes get mixed up in the warehouse during packing.

  8. Sean Avatar

    Hi should I stay away from radiant pools
    ?? They haven’t been on the market for long

    1. Matthew Simmons Avatar

      Sean, here is an answer from Dan: “I don’t know if you should stay away from Radiant pools or not. They weren’t very responsive to me when I approached them at the international pool show a few years ago. I would know more otherwise(their loss).”

      They did seem to be ok though when I looked at them. Maybe a little pricey for what they are but good. I would do the math on one against a concrete pool and see if its cost effective. Please add up everything though. Everything!

  9. robert Avatar

    how thick should slab be if it is a 24 ft round pool??? thank you

    1. Matthew Simmons Avatar

      Hey Robert,
      Here is dan’s professional opinion:

      If you are pouring concrete for an above ground pool bottom, it only has to be about two inches deep. You may think you need it to be a more standard four inches deep with wire mesh to avoid cracking but I haven’t noticed much bad cracking regardless of the concrete thickness.

      1. Peter Avatar

        I had no idea that an above ground pool could have a concrete slab in the bottom. Is this true for all climates? In the Northeast with the cold temperatures in the winter, wouldn’t the slab crack? I am going to replace my above ground pool in the spring and I am looking at all options. I am even thinking about building my own custom pool but I keep worrying about the the deep freeze in the winter.

        1. Dan Dougher Avatar

          Slab may crack if your area’s ground does that freeze, thaw, freeze, thaw, freeze thing. You’ll have to ask some local construction guys.

  10. melissa Avatar

    we have a sunsation pool by wilbur and need top rail replacement pieces for a 24′ x 48″ pool. Could you help me with this, thanks for your time.

    1. Matthew Simmons Avatar

      We may carry parts for the pool, but we do not have that model listed. If you want us to identify the parts submit a picture of the wall pattern, upright and top cap through this email address so we may search for the parts: upload@inyopools.com. Our parts department will reply as soon they have an answer.

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