How to Measure For an Above Ground Pool Liner

how to measure for an above ground pool liner
100ft-measuring-tape for measuring a pool

An often-overlooked step in replacing your aboveground pool liner, measuring your pool properly will prevent undue surprises.

This is because not all pools will measure to exactly the size that a pool owner thinks they have. Secondly, installation variables can cause the walls to bow out, or bow inward.

If you are planning a replacement pool liner, take a few moments to get an accurate measurement of your pool diameter and depth. Then you can confidently place an order for your replacement pool liner and aboveground liner installation supplies.

Round Pool Liners:

For round pool liners, we want to measure the diameter of the pool in two opposite locations. If the pool were a clock-face, measure at 12 and 6 o’clock, and at 9 and 3 o’clock. To rule out the possibility of bowed walls, measure each diameter twice, at the top of the wall and at the bottom of the wall. You will need two people to make the measurement easier and most accurate.

Aboveground pool liners usually have a standard diameter of 15, 18, 21, 24, 27, 30 or 33 feet. However, measure carefully to determine whether you can use one of our stock replacement liners for aboveground pools, or if a custom liner is needed.

Now measure the depth of your aboveground pool liner. Many pools have a foam cove or troweled sand ledge up against the pool wall. When measuring depth, make sure to measure to the absolute pool floor. Similarly, at the top of the pool wall, be careful to measure to the where the liner snaps into the track (beaded liners) or where it goes over the wall (overlap liners). If you measure to the top rail or the horizontal top of the pool wall, you will be adding another inch or so to the depth.

Aboveground pool liners usually have a standard depth of 48, 52 or 54 inches. However, this can vary depending on the amount of floor material (sand) that was added during the last liner replacement.

Generally speaking, 1-2 inches of difference in depth or diameter may not matter much, but more than this and you may have trouble with the install. If you have doubts, give our helpful pool experts a call to reduce the risk of trying to install a pool liner that just doesn’t quite fit.

Oval Pool Liners:

For oval pool liners, we measure in the same manner (carefully), at 9-3, 12-6 o’clock. Make sure that on the oval ends, you are measuring at the apex of the radius curve. Remember to measure from wall to wall, keeping the measuring tape perpendicular to the floor.

With oval pools, there can be more of a chance of a bowed wall, so be sure to measure the diameters from both the top and the bottom of the pool wall. When measuring the depth of your aboveground pool, take a measurement from several locations around the pool to make sure that your floor is not uneven.

For overlap liners, if the amount of overlap on the outside of the pool wall is uneven, this is another clue that the floor may be uneven. In this case, generally some floor work can be done; more sand can be added to level out the pool floor. But if you add too much sand you are raising the floor and reducing the depth of your pool, as well as the needed depth of your new pool liner.

Rectangular Pool Liners:

There are not too many rectangular aboveground pools out there, but if you have one, it’s likely a Kayak brand. For measuring rectangular aboveground liners, you will measure in the same manner as above, choosing a center line point to measure from end to end and side to side. One point of distinction to rectangular pool liners is the radius of the corner. In some cases, the corner can be 90 degrees where the end meets the side, but usually they have a small curve or radius in the corners.

To measure a radius corner, you can use a framing square, or two yardsticks, laid perpendicular to each other. Measure the distance from where the curve begins to the where the yard sticks meet. With the yard sticks laid next to the pool edge, you should be able to see where the curve begins to pull away from the straight yard stick. A 6-inch radius is common, but it can be larger or smaller.

Deep-Dish Pools:

If your aboveground pool has a deep end or a dished out center, also known as a bowl, you may need a custom liner. Aboveground pool liners are made for flat bottom pools. One exception to this are pools made by Doughboy, which can use what’s called an expandable liner. This liner will stretch into place to fit a deeper center section. If your aboveground pool has a deep(er) section, you will need to measure the depth at the deepest point. Then, give us a call to discuss ordering and installing a liner into an aboveground pool with a deep area.

And that’s about all there is to measuring for replacement vinyl liners. You may be surprised to find that your pool is bigger or smaller than you thought! I know this to be the case, because every year we have a couple of customers who order mistakenly, and unfortunately, once you pull the liner out of the box and drag it around on the sand, trying to make it fit, it’s non-returnable. Measure carefully and if you have any questions, please give us a call. We’d love to help you select the correct replacement pool liner size for your pool.

95 thoughts on “How to Measure For an Above Ground Pool Liner

  1. Robert T Bicknell

    When measuring depth of a pool do you measure the side wall? I purchased a used 15×30 that I was told was 54″ but the side wall (un-installed) measures 52″. Should I purchase a 52 or 54″ depth liner?
    Thanks for your assistance..

  2. Benjamin Keepers

    We have a 12’ round 52” above ground pool. There are only 12’ round 54” liners left in stock. Would that work?

    • Hello, that would only work if you have an Overlap style pool, which I am guessing you do not. A 54″ beaded or j-hook liner in a 54″ pool would have large wrinkles on the wall and floor. Sorry… 🙁 Tough year for liners.

  3. After measuring our pool depth, there are portions that are 48″ and portions that are 50″. What depth of pool liner should we get? 48 and try to add more sand? I really one to get a unibead, instead of an overlap.

    How much do the pool liners stretch? Would 2 inches be too much?

    • HI Suzanne, I would go for a 48″ liner, which typically actually measures about 47″. Yes, add some sand, or even out the sand, and try to make sure the floor is even depth (or height) all the way across and around. Liners are meant to stretch, they could go up to 2″, but this does thin out the sidewalls and can cause problems, best stretch is 1″ or less.

  4. Just far enough to cove the steel bottom rail or track by an inch or so. Many people will “cove the sand”, making kind of a 3″x3″ triangle up against the base of the wall, so that most of the floor is even with the bottom rail, but next to the wall, just a few inches out, the sand rises a few inches. You can do the same thing with foam pool cove pieces, 48″x4″x4″ foam triangles that are up against the wall and floor, to make a nice and soft transition.

  5. Dottie D'Amato

    Hi , we bought a 20′ X 32′ rectangle with 52 inch walls. We are sinking it 2 ft and plan on putting 3 ” sand and a floor pad. The liner at the co crete pant sentbwas a 4′ 1″ wall height… will that be ok with our 52″ wall panels , since we will have bev the 3 inches of sand? Any advice???? Thanks!

    • HI Dottie, yes that would be fine, if you raise the floor somewhat, a shorter liner will fit. Also liners tend to fit best if they stretch just slightly, 1/2″ to 1″, or less. As you may assume, if the liner is longer than the wall, wrinkles may result.

  6. Hi Davy,

    I have a 30ft round onground pool with step on the outside of the circle. I have a shallow end (about 4ft) and a dip that goes to about 6ft in the center. I also have a deck all around the pool, when I went under the deck to try and measure the wall it stopped around 48″ to the deck, but when I measure the inside along the wall it measured at least 52″ and the center and deeper than that. Thus, should I just order a 54″ liner and just add or subtract sand as needed?

    • Hi Carlos, you may be needing an ‘Expandable’ liner, which is used on Doughboy and some other pools with deep end sections. Expandable liners are overlap liners (not beaded) and are meant to stretch into shape to fit the shallow and deep areas. However, you should check to be sure that your pool uses and expandable liner, by contacting the manufacturer, if you are not certain (I will not know). If your liner is beaded, with a bead on the top of the vinyl that fits into a track on top of the wall, that is likely a custom liner, and not something you can find and order online.

  7. My pool measures 15.6 x 26.6 x 48 what liner should I use a 15x27x48 or 15x26x48 ? Will a pool liner stretch? I bought the pool about 10 years ago used, it was advertised as a 15×30 that’s not the case. I now need a liner and I remember having this same problem 10years ago …. can’t find my receipt for the old liner but I know I bought a “standard liner size “ just don’t remember what size I bought

    • Hi Chris, liners will stretch, so a slightly smaller liner may be a better choice than a slightly larger liner which may develop wrinkles from too much material.

  8. I have a 20×48 pool and the liner needs replaced but I can only find 21 round that fits 48 or 52 Inch wall. Is that doable?

    • No don’t do that, it won’t fit. You need a 20′ liner, if that is what your pool measures. If you cannot find it online in stock, it will need to be a custom liner.

  9. If I have a liner to replace on a 4-foot above ground pool, will it be a problem if it measures 43-44 inches deep rather than 48 inches?

    • Dan, it won’t matter IF it is an OVERLAP liner, you would just pull more vinyl over the wall (and cut off excess later). But it would matter, IF you have a BEADED or J-Hook/UniBead liner type.

      • Yes, it is a J-Hook/UniBead liner.

        • Well then… be sure you are measuring from the very top of the wall, to the very bottom, flat floor (not to the top of the cove, or built up area of sand or foam cove). IF it is only 44″, then you will need to remove 4″ of sand / dirt, which is not at all an easy thing to do, or have a custom length liner made.

  10. Joe Van Wormer

    Hi Davy,

    We just ordered a 21 round above ground pool with 54 inch high walls. The liner that was delivered is for a 21 by 52 wall. The dealer said the 52 inch height will be fine as the installer adds a couple extra inches of sand to the base. Is that true or should we request they ship us a 21×54 liner?

    • Hi Joe, he is correct, if you do add the sand. That’s about 2 yards of sand, I believe. But if you wanted a deeper pool, you could put just 1/2″ of sand, or just a liner guard and no sand (which tends to rumple and you’ll have heel prints, etc). You can go either way, but I think you got the 54″ because you wanted an extra 2″ of water depth? (which wont’ actually be 54″, but the water level when full is about 49″…)

  11. Lyndell Mondor

    I have an 18’ x 33’ oval above ground pool. The metal wall measures 53-1/2”. I have about a half an inch or so of sand on top of the plates with a sand cove. I also put the bottom of an old liner on top of the sand before putting the new liner in. Would a liner that is 18’ x 33’ x 52” be safe to use?

    • Lyndell, liners are actually pre-cut a little shorter than the stated measure, to slowly stretch a small amount, into place as the pool fills. Measure from the track to the flat floor (not the cove). If you have 50-52″ go with a 52″ liner. If you have 52-54, go with the 54″ liner. If you are installing a Beaded liner and it seems too long, it may be, if the floor is too high. In such cases, the floor can be lowered, across the entire floor, (not just near the walls), to obtain a better fit, without wrinkles on the wall or where the wall meets the floor.

      • Lyndell Mondor

        I forgot to mention that I already purchased the beaded liner that is 18’ x 33’ x 52”. It is already installed. I purchased the pool second hand and was told they installed a 52” liner when they had it put up. So me being new to the pool world I purchased the 52” liner. Upon installing, one side of the liner is tight and is about 8”-10” from touching the actual wall. About 70% of the liner wall looks great with about 4”- 5” from touching the wall. We have about a 6”- 8” sand cove all the way around. If I remember correctly, I measured the height of the wall at 53-1/2”. I’m just not sure if I need to unhook the liner on the troublesome side and try to reposition or if my purchased line is too small.

        • Lyndell, it definitely seems too small, with any gap or space from the wall, it should be flat against the wall all around, and no amount of adjusting is going to make that fit better, unless there are large folds and wrinkles across the center. You could pull out the liner, and add about 3 yards of sand, building up the floor 2″, and then reset the liner, or just keep it the way it is, however it is putting stress on the walls, and not sure how it would fare in winter, with a large ice sheet poking at it for 90 days, if you are in cold winter climate.

  12. Teffany Whedbee

    My pool is 16 ft round and 4 ft deep what size liner do I need to get

    • A 16 ft pool should use a 16 ft diameter liner. If the overlap liner is used, depth is not a factor, as the liner will fit any pool from 48″ to 54″ depth.

  13. We are looking at buying a used above ground pool and they don’t know the size of it because it is already down so do you know the length of the wall for a 24 27 30 foot pool so we could measure it some how?

    • Hi Dennis, the circumference or perimeter measurement of a circle can be found with this formula C=2πr, or Circumference = 2 x 3.14 x Radius (half of the diameter). For a 24′ round it would be 2 x 3.14 x 12 or 75.36. You could also set up all of the bottom rail pieces in a large circle and measure the diameter.

  14. My 30′ round metal pool wall measures 53 1/2″s. Should I get a 54″ liner or a 52″??

    • HI Matt, go with the 54″ since it’s closer than the 52″ which may require too much stretch on the liner.

  15. I am in process of replacing my Doubghboy Above Ground Pool Liner. The pool is oval and measures 18 x 34. The liner needs to be expandable up to 72″ in the deep end and we will use the overlap installation method. Problem is that it’s hard to find an 18 x 34 so we were thinking of sizing up to 18 x 38 and just removing the extra liner around the edges. Will this work?

    • Hi Rian, it won’t work, it will create huge wrinkles on the ends. You can order a custom expandable liner, however this season… with the vinyl manuf. production delays, it could take longer than normal. Our custom liner team can work up a quote for you. Call 1-800-288-7946, and ask for customs. Or you can email aboyle -at- intheswim.com – be sure to measure the pool again, just to be sure.

      • Even if I drape the excess so it fits perfectly inside the pool? I thought maybe I’d be able to cut off the rest on the outside and use it for patches down the road. Appreciate the help on this.

        • Rian, it’s not that easy, it’s not like a tablecloth, it’s more like a fitted sheet on a bed, but in reverse. It may seem like you could just cut off the excess, but it’s oval, not rectangular, so there would be ‘draping’ on each end, with the extra material, if that makes sense.

  16. How do I measure a round pool that hasn’t been put up yet to know the size of the liner I need?

    • You could set up just the bottom ring of the pool, laid out on the driveway or something, and connected with the base pieces, and then measure the ring diameter.

  17. Hello, we have a 16’ round pool with a deep center. I’m having a hard time finding an expandable 16’ liner. Should I size up to 18’?

    • Hi Enca, that won’t fit, do not try that. The best thing would be to order a 16′ expandable liner, custom. It takes about 3 weeks, but is only a small amount higher in cost, than the stock liners. For our company, contact Aboyle -at- intheswim.com, for an estimate.

  18. Deborah Brocato

    Hi- I just bought a Intex 12 x 30 above ground pool and I want to set it up the right way. I know I should be digging up the ground before setting up The bottom liner but my question is how much around do I dig the Hole and how deep? Thank you so much for your help.

    • Hi Deborah, it’s not really a hole you are digging, but you want to remove the sod (grass) and level the ground, with flat shovels and picks, to have a flat and level surface. If you actually dig a hole, you will get a swampy moat around the outside of the pool after rains. Level ground, and remember to “lower the high spots, don’t raise the low spots”, meaning, don’t use fill dirt to make low spots higher, but knock down high spots to meet the low spots.

  19. Jay Thomas

    My oval above ground pool is 10 feet 6 inches × 14 feet 8 inches and 48 inches high what size liner do I order

    • Jay, if this is an Intex Frame type pool, we don’t sell liners for those, as the liner is really ‘the pool’, although some companies do sell just the liner (we do not). If your pool is a more permanent, steel walled type with removable liner, that size would require a custom liner to be made to your measurements. You can start here. https://www.intheswim.com/in-ground-liner-instant-estimate

  20. I have a 26’ x52” index pool. We accidentally ordered a 24’ replacement liner. Can I adapt my frame to work with this liner?

  21. Help! We have bought a used pool. Owner sent me a link to buy a 30×52 liner. However, I have 18 legs, and the circumference if my bead receiver equals 87.5 feet. I’m afraid I’m gonna order the wrong liner? Walls are rolled up still, but measures 49.5 inches?

    • Layout all of the ground track and connect the bottom track together with the bottom upright brackets, to have the full footprint. Then you can measure pool diameter confidently. As for wall height, they are always 48″, 52″ or 54″. Maybe the bottom track and liner track add extra height? If not, it seems like a 48″ liner would fit better, with an inch of sand in the bottom.

  22. i just bought a used pool. the wall measures 54 inches, but it is a beaded liner. with 2 inches of sand, do i only need a 52inch liner?

    • Hi Carl, yes that’s right, measure to the finished floor height, from the flat floor to the bead liner track, where the liner snaps in.

  23. Bill smith

    Hi we bought a used pool they said it is 27’x54”. So we ordered a new liner for it and it should be here any day but now we have tore the pool down I measured the actual wall height and it measures 52” can I still use that liner or do I need to order a new one

    • Hi Bill, if the liner is an Overlap liner, it won’t matter, just pull it over the wall more. But if it is a beaded liner, or a J-Hook, aka Unibead liner, then you will need to return the liner (unopened).

  24. I have a 28ft x 52in round pool. I ordered the same size pool liner twice and both were two large. I don’t understand.

  25. Laura Puente

    I bought a used pool that they said measured 25ft round. I can’t find a liner that size. There are either 24ft or 27ft. Which of those sizes would be better?

    • 25′ is not a pool size, at least not common. I would put up the pool first, or at least assemble the bottom track, and then measure the diameter, before ordering the liner. Liners are not returnable once the box is open.

  26. Courtney Thomason

    We have an above ground pool that is currently not put up yet and we are trying to get a liner for it. I know it is 24 around and my husband said the wall measures 51 1/2. So do I need to order a 24 x 52 overlap liner or a 24 x 54 overlap liner?

  27. Christine Dolatowski

    I have an 12×20 oval Doughboy and need to replace the liner but I’m not sure on the wall height. I know I need a beaded liner but the height inside the pool measures just about exactly 48″ to just below the track. Is this due to the expansion of the old liner? Just want to make sure I don’t need a 52. The wall height measures about 5o on the outside but I know that’s not accurate either because the wall is probably dug a bit into the ground.

    • Sounds like a 48 to me, as long as your inside measurement is to the flat bottom of the pool, and not taken from the top of the ‘cove’, or angled part of the floor, up against the bottom of the pool wall.

  28. Kevin Vezina

    I have a Techno-Bois wood above ground pool that I need to replace the liner. I don’t know what are the exact specification because the pool was there when I bought the house. I know it’s a beaded liner. I took the mesurement of the diameter’s at 8 differents spot across the pool. The longest one is 18′ and the average of the 8 is 17’9″. The wall, mesured from the outside, is 51,5″. Will a standard 18′ x 52″ liner will fit? Thank you!

    • Hi Kevin, yes sounds like a standard, beaded 18×52 liner. You can also use J-Hook/Unibead liners, if needed – you can rip-off the J-hook and they become beaded liners, FYI…

  29. Ashley Hutchins

    We ordered an Intex 22’ x 52” round above ground pool. We are having trouble getting a liner as they are all out of stock now. Ours got lost in shipping. When I look at other brands of liners I can only find 21’ liners. Is this the size we would need?

    • Hi Ashley, the liners for the Intex pools are not the same as other aboveground liners. You cannot use a 21′ round liner in an intex pool.

  30. I have a 15’x 52′ round pool and we need to have the liner replaced. I was going to order the liner the installation by the quote they gave me for the liner was a 24’x48′ liner…I’m confused now if I order a 15×52 or a 24×48?

    • Hi Misty, no a 24′ x 48 inch liner will not fit. They must have given you the wrong quote, or became confused as to your pool size. A 15′ liner would also be much cheaper than a 24′ liner.

  31. Brittanee Marshall

    I have a 12×24 48 in tall oval above ground,my husband wants to dig out an end to 6foot how would we measure the new liner?

    • HI Brittanee, I would advise against this, as it will be difficult to measure and buy a liner that will fit correctly. The exception to this is if you have a Doughboy pool or other pool that is specifically designed to use an Expandable liner, with wall strength to withstand the installation of an expandable liner. If not, you could measure the pool with a custom inground liner form, and hope for the best. The liner will cost much more than a standard 12×24 liner, and it may end up with some wrinkles or other problems if not careful every step of the measurement and installation.

  32. David Gomez

    We measured 16 inches wide and got 28 inches long for our oval pool. Is this going to be a 16×30 liner?

    • Hi David, there are aboveground pools that are made in a size 16′ x 28′, in both flat bottom and expandable liners (Doughboy pools) for a pool with a dished out deeper section. We do not list these on our site, but I see them available online. If you have trouble locating, call-in to speak with our custom department who can quote you a price and order it for you.

  33. Julia white

    My wall height is 4.3 and I unrolled out it measures 54 ft
    This pool and sand filter , was left behind in a garage of a house I bought last year no paperwork and no contact of last owners. I’m trying to replace liner and find out size.

    • liners are either 48″, 52″ and 54″ height. 4.3? Sounds like 52″, I guess? You need to know if the pool has a bead track around the top of the pool wall, a track that the liner slides into, then you would order a beaded liner. If no track, and the liner slides over the wall, you would use an overlap liner, or j-hook liner. Be sure that you have all of the uprights (vertical posts), top rail and bottom rail and all hardware and caps, before you buy a liner. If you are missing pool parts, they may be hard to locate.

  34. I have a round above ground pool measuring 27 x 54 with an overlap liner. What size new pool liner do you recommend me purchasing and what size gauge?

  35. Douglas Foster

    I have a oval above ground pool that measures 15 ft 5 in X 26 ft 5 in with 54 inch walls what size pool liner would you recommend? Thank you so much for your help

    • Hi Doug, that’s an unusual size, are you measuring wall-to-wall? 15’x24′ Oval is a size we have, for pools with a flat bottom. I see that another website that has a 15’x26′ liner available, but we do not. 🙁 Search online and you can find what I see

  36. Hi, I have an older above ground round pool. I found paperwork that says it is called “The Pembrooke” and has a 24’X24′ swim area. The pool is half empty and when I measure at the top, I get between 20′ and 21′. Could this be caused by bowing? I would hate to order a 21′ liner if I have a 24′ pool. Any help would be greatly appreciated. Thanks in advance.

    • Hi Andy, probably a 21′ pool, 20′ is very uncommon, but 21′ is common, so I’d go with that. Remeasure again, with a helper, at the top and bottom of the wall, to rule out bowing, but it’s likely a 21′ round pool, with the wrong paperwork/brochure.

  37. John buettner

    It has a unibead liner in it, and it is actually 51″ from the bottom rail to the coping, I remeasured it today. And I also measured inside the pool from the bottom, taking care not to get close to the cove, and it is the same, 51″.

    • Hi John, can you find the name of the manufacturer of the pool, and see if they can be located? We don’t carry any 12′ round liners that are Unibead, aka J-Hook. We only have 12′ Overlap liners. I checked a few other sites online and seem to find the same, no listings for a 12′ unibead liner. I’m also confused about the 51″ measurement, which is too tall to put in a 48″, but too short to put in a 52″ – unsure how to advise there.

  38. John Buettner

    Hi, I have a 12’round above ground pool, the side walls measure 50 1/2″ from bottom rail to top coping. What liner size should I buy? Thanks

    • Hi John, I would first ask if you have an overlap or beaded liner. Overlaps pull over the wall and are clipped in place with Coping Strips. Beaded liners, have a thick top edge that locks into a bead track at the very top of the wall. If you are measuring to the top-top of the pool, you may be measuring past the bead track. Most pools are either 48″, 52″ or 54″ nowadays, and most 12′ pools are probably 48″ walls, so you may want to remeasure to see. Remeasure on the inside of the pool, from the flat floor, to the top of the wall (for overlap or j-hook liners), or to the bead track, for beaded. I’m gonna guess you need a 12′ x 48″ liner, but I can’t say for sure…

  39. John Blackburn

    I have 28′ round doughboy above ground pool with a 6′ deep end on one side. The measured wall height is 52″. Can you tell me what liner I need? The old liner was an expandable overlap style.

  40. My pool walls measure 51 inches from the bottom of the wall to the top of the wall (it is coiled up waiting to be reinstalled). What size beaded liner should I get?

  41. Keith Tulloch

    I have a 30″ round above ground pool. It has 52″ walls, and is dished out slightly in middle about 8″. It has a beaded liner on it now, from the original installer. I read a lot of comments about having to use a expandable liner, but everyone that I have seen was a overlap liner, and the one I’m replacing is a beaded liner. Will a beaded liner “stretch” enough for my needs, or, getting a 54″ tall liner work?

    • Hi Keith, do not get a 54″ liner, not if your wall height is 52″. But yeah it should stretch into place, 8″ is a good stretch, you could make it shallower to 6″ if you had concerns. Do it on a warm day, when the vinyl is soft, and fill the first part slowly with a hose (not water delivered by truck), to allow it to stretch into place. Monitor it during the fill to be sure the liner does not pop out of the track, and if it does, quickly shim it to hold it in place.

  42. If I over measured the depth for an above ground beaded liner is this a problem? I’m thinking IF I’m over, it can be cut?

    • Hi Diane, Liners do stretch into shape somewhat, but only to a point. A 48″ beaded liner actually is produced to be about 47″ deep, to allow it to stretch into the floor and corners without wrinkling. A 52″ liner is about 51″ actual. If 51″ tall liner is put into a pool that is only 48″, 3 inches may be too much to stretch and the liner will pull very thin in spots along the wall, which affects lifespan, or it may tear across there (sooner or later). It also creates stress on the liner bead track and the top of the wall, as it stretches into place A liner can stretch 2-4 inches, but it’s generally not advised to overstretch the liner, the pool depth should be very close to the liner stated depth.

  43. Holly Frazier

    My pool walls are measuring at 44-45 inches, so do i need a 48inch liner?

    • Hi Holly, for an overlap liner sure, that would work well. For a beaded liner, you would have 4″ of extra liner, folded and wrinkled at the base of the wall. For a beaded liner, you would need a custom liner, or… dig down 4″ and remove 4″ of floor material to restore the full height of the pool wall again, if that applies. 44″ walls are not standard.

  44. John Reeves

    My above ground round pool measures 27’9” is a 28’ replacement correct size for overlap liner?

    • Hi John, I would assume so, we also sell 27′ liners, but that would be too small… yes I would think that 28′ would be the right size, but maybe measure again, just to be sure? Tough question… thanks!

  45. Thomas mackay

    I ordered the wrong liner how do return and reorder the new sive

    • Hi Thomas, you didn’t open the box did you? They wont receive it back if it’s been taken out and dragged around the pool. But assuming not, you can make your reorder now, so that your pool opening is not delayed, placing a new order tonight. Then to return the other liner, visit this page https://www.intheswim.com/help/help-return-process and follow the instructions to get the RMA#, and then ship it back to Chicago for return and credit processing. You can also call 1-800-374-1500 to do it all at once, or for return related questions, you can speak to the team directly.

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