Wrong Liner Ordered…how bad is it?

TeamLucas6

Bronze Supporter
Aug 13, 2023
2
Central Illinois
Pool Size
34800
Surface
Vinyl
Chlorine
Salt Water Generator
So bummed. Finally made it to liner install day! We’ve done all the work ourselves on this 20x40 IG. A PB friend ordered all the necessary components for building. And we hired a retired PB to assist in putting the liner in. We knew this was a potentially tricky part and wanted some advice along the way with this portion of the process. When pics taken vacuums had been in and filling for about 5 hours. We’re not confident these corners will pull tight at this point. We think the wrong corner radius was ordered. We have 2ft and it appears they sent us a liner for 4ft (74” is what it says on spec sheet).

During the install the man helping us (42 years experience doing builds) couldn’t figure out why install was so difficult and fit was so tight. It took us over an hour longer than his usual installs and he kept saying things like he’d never seen the walls hang like that before vacs set. He checked our spec sheet and said everything looked fine. After (ALOT) of difficulty moving and stretching and re-moving and stretching we finally got the liner to fit. The radial corners were the hardest and liner bottom seemed right but top track seemed about 2 feet too short but we finally got it to lock in place. And began to fill.

After some research and looking at the spec sheet (states radius length is 74”) I believe the wrong liner was ordered. That length seems to be more accurate for a pool with 4ft radius corners vs the 2ft we have. So our overall straight wall length wouldn’t be accurate by quite a bit. No one ever came to measure the pool. Blueprints and liner order sheet was sent to Latham by the distributor that supplied all our steel walls etc that was ordered from them by our PB friend.

The liner is well over a foot away from the walls even after 5 hours of 2 vacs and filling with water. Seems like WAY TOO MUCH stress in the corners. (We have ordered bead lock to secure liner here)

Two concerns. 1. If in fact wrong radius for liner was ordered, will it stretch correctly to the wall with water addition and will this change thickness of liner making it more susceptible to breakdown/tears/damage? (When we push in on the corners it very much lightens liner, distorting color and shape of pattern)
and
2. What’s the likelihood we’ll get a new liner from distributor that incorrectly ordered the liner?

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Sure can see it in the pics. All you can do is talk to the people who sent in the specs and to the liner maker to see where the problems is. Me? I would keep filling but be ready with a pump to take water out if a problem comes up like the top not staying in the track.
 
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You'd be surprised but heated pool water does miracles along with the water weight and vacuum which I'd suggest you have 2 of them sucking. My biggest concern would be the proximity of the steps to the pressured area that you shouldn't have a leak because of it. If you have a main drain and the pool equipement is connected as soon as you cut in the returns I'd suck water only from the main drain and start to heating it to help seat the liner.
 
My first replacement liner was ordered and installed incorrectly - and it was way off the sides just like yours. The deep end where that happened ended up stretching a lot and looking good when they were done installing it. I too would worry about the stairs - that seems like a lot of pressure around that critical area once the liner stretches that much. If you cannot get a refund or replacement, I would press on and see where it takes you. I got a year of fun times out of my 'practice liner' and then replaced it the following year. (Costly and I don't recommend this approach if you can avoid it, but we had many fun swim days with the ill fitting liner in the pool.) The icon next to my name is a picture of the actual deep end with the incorrect liner...
 
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