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My spa cover foam fills up with mositure after 5 or 6 months and gets very heavy, causing undo stress on vynl and lifter, I have taken the foam out and sundried it and replaced in cover only to have it fill back up with humidity again. I nee to rap it in some type of plastic, tried shrink rap, anybody have a better idea? what do they use when manufacturing.
Unfortunately it sounds like it may be time to invest in a new spa cover. I think this will continue to happen over time. We use a state of the art exclusive vacuum heat sealing process on our foam core. This gives you years of use. When your cover foam gets saturated you loose the insulation value as well as breaking your back trying to remove it. New foam has small little air pockets in the foam that acts like the insulation barrier, when the foam gets saturated these fill with water and then provides no insulation value.