Hot Tub Covers and the R-Value

The Myth of R-Value and also typical foam filled hot tub covers

R-value is a type of dimension of the capacity to stand up to warm transfer for products like the fiberglass insulation in your home or perhaps the protecting foam in hot tub covers The intent is that, the better the R-value, the much better the heat storage and, warmth retention would certainly be the primary work of any kind of hot tub cover.

Most markets making use of R-values are managed by FTC standards. Commercially sold insulation needs to pass independent examinations created by American Requirements as well as Testing Approaches (ASTM) so about be marketed or noted utilizing their R-Value.

The Misled Masses: As there is no FTC acknowledged independent test for spa covers, So ANY mentioned R-value mentioned by a spa cover dealership remains in truth an uncontrolled, unmonitored “interpretation” of a provided insulation worth. It is open to misstatement and misuse, from including the R-value of an air space in between the water and also the bottom of the cover, spacing in between the plastic and also the cover insulation, or just blatantly blowing up the make believe number. Some hot tub dealers mention specifically the recognized R-value of the insulation itself, yet certainly that doesn’t imply that it was examined and recommended to use in hot tub cover applications.

The R-value of the real foam insulation, regardless of the density, is ONLY rated for usage in COMPLETELY DRY building applications! Which symbolizes the fact that the R score of the foam is just suitable needs to it occur to be used in a wall, attic room or flooring. Since needs to it were to be made use of in a damp atmosphere, that sort of insulation would certainly stop working promptly.

Foam Thickness and Foam Thickness.

These 2 variables that spa cover suppliers declare impact the R-value of spa covers, when as a matter of fact that R score itself has nothing to do with the foam when it is used in a hot tub cover. Really, it is as misguiding as the idea that a taper on the cover will actually keep it from obtaining heavy.

True, the foam thickness and density would certainly have a bearing on the insulation homes In the event the Use of the foam remained in compliance with the designed use a totally DRY environment.

No matter if the dealer asserts his spa covers are made with one of the most costly spa cover foam (inflexible mobile polystyrene thermal insulation) available, resists breakage, vapor absorption as well as chemical damage more than all the others they have actually tested. The truth is, R aspect is NOT something they evaluate, and also WITHSTANDING breakage as well as saturation are not the same as AVOIDING it altogether.

When seeking and comparing spa covers, ALL cases connected with R-value of a cover that has foam are completely unsubstantiated. Foam Density as well as Foam Density do not have any ADDED R WORTH, because the foam is not made to be used over a damp setting. Most spa cover dealerships repeat specifically the same numbers and as a result hot tub proprietors have been trained to think the lie. Some suppliers employ some fancy charts to confirm their insurance claims, nevertheless the bottom line is those cases could not remain in conformity to the ASTM.

Misconception Damaged!

R-value testing of products is completed at room temperature, as well as does not take into account wetness and vapor. In the spa atmosphere, there is hot water and also excellent amounts of steamy wetness. Each which will significantly reduce the R-value of any foam. A spa at 105 levels will certainly defeat the R-value of any foam tested to make use of in a completely dry application.

Don’t permit the R-value of foam be considered the dimension for spa cover top quality. Rather look for a spa cover with NO FOAM. Instead, hot tub covers that use air filled chambers as a choice for rigid foam boards will out preform any other, in any examination or genuine hot tub application. (Hello there, like those from )

Don’t be tricked by claims of high thickness and also weight, vacuum wrapped in sheets of heat welded polyethylene, sealed in heavy gauge marine quality plastic, with chemical resistant scrim and also stitching. It won’t shield as well. It will definitely still end up being saturated, distorted or broken. It genuinely was outdated thirty years back. spa covers do not utilize foam panels like the normal rigid foam filled hot tub covers. Instead they make use of air chambers to do the insulating. Besides being much more reliable, the air chambers don’t suck up moisture like every foam-filled cover ever made.

Why not check out and order a hot tub cover for your spa today and get the future generation of hot tub covers.