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Thermo-Wall Pool Insulation 18'x33' Oval

Thermo-Wall Pool Insulation 18'x33' Oval

Mfg #: Thermo18x33

SKU: Thermo18x33

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Thermo-Wall is an insulating wrap that goes between your pool liner and the pool wall to help reduce heat-loss.

Please read our blog on this product located here!

Thermo-Wall Insulated Liner Padding Features And Benefits

  • Reflects solar energy in water
  • Adds R-value
  • Excellent vapor barrier
  • Reduces heat loss up to 80%
  • Quick and easy to install
  • 3/16" thickness
  • Metalized foil/bubble/clear poly
  • Ultra resistant and light weight
  • 69 PSI puncture rate
  • Helps prevent condensation on steel walls
  • Recommended to use spray tack to help adhere product to pool siding 


Recommended Length To Pool Size

Pool Size Length
Pool Size: "15' Round" 47
Pool Size: "18' Round" 57
Pool Size: "15'x30' Oval" 78
Pool Size: "16'x32' Oval" 78
Pool Size: "18'x33' Oval" 87
Pool Size: "21' Round" 66
Pool Size: "24' Round" 76
Pool Size: "27' Round" 85
Pool Size: "28' Round" 88
Pool Size: "30' Round" 94
Pool Size: "12'x24' Oval" 62
Pool Size: "15'x24' Oval" 66
Pool Size: "16'x24' Oval" 68

1 Reviews

  • Posted by Renee B on Jun 15 2020


    Excellent Wall Insulation

    After buying regular white wall foam I had issues installing it on the pool wall. After 2 hours of fighting with it and having about a quarter of it done, I got pissed off and went to YouTube to look for a video to see what I was doing wrong and found Thermo-Wall Insulation. When I received it I was in awe. It's kinda like heavy bubble wrap with thick foil. It's more like a padding. I installed it myself on my 18 x 33 above ground pool and it took me about 1.5 hours. It went on nice and smooth, no problems. It has a glue strip on the top which helps the install. It's worth every bit of money spent and I would highly recommend it. However, I never want to replace the liner in my pool ever again because it wasn't easy after 12 years.