The Misconception of R-Value and traditional foam filled hot tub covers
R-value is a kind of dimension of the ability to stand up to warmth transfer for products like the fiberglass insulation in your residence or maybe the shielding foam in hot tub covers The intent is that, the higher the R-value, the better the warm storage and, warm retention would be the main task of any type of hot tub cover.
Most industries using R-values are managed by FTC criteria. Commercially marketed insulation has to pass independent examinations produced by American Standards as well as Testing Techniques (ASTM) so as to be marketed or noted using their R-Value.
The Misled Publics: As there is no FTC identified independent test for spa covers, So ANY stated R-value stated by a spa cover dealer is in truth an unregulated, unmonitored “interpretation” of a given insulation value. It is open to misrepresentation and abuse, from including the R-value of an air space in between the water and also all-time low of the cover, spacing between the plastic and the cover insulation, or merely blatantly inflating the make believe number. Some hot tub dealerships specify exclusively the well-known R-value of the insulation itself, yet obviously that doesn’t mean that it was evaluated and also backed to make use of in hot tub cover applications.
The R-value of the actual foam insulation, despite the density, is ONLY ranked for usage in DRY structure applications! Which represents the fact that the R ranking of the foam is just applicable needs to it occur to be applied in a wall, attic or floor. Because needs to it were to be made use of in a moist atmosphere, that sort of insulation would fail rapidly.
Foam Thickness as well as Foam Density.
These two factors that spa cover dealers declare affect the R-value of spa covers, when actually that R score itself has nothing to do with the foam when it is utilized in a hot tub cover. In fact, it is as misguiding as the concept that a taper on the cover will actually maintain it from getting heavy.
True, the foam thickness and also density would have a bearing on the insulation residential properties In case the Usage of the foam remained in compliance with the created use of a completely DRY atmosphere.
Regardless if the dealership declares his spa covers are made with the most costly spa cover foam (rigid cellular polystyrene thermal insulation) offered, stands up to breakage, vapor absorption as well as chemical damage more than all the others they have actually tested. The fact is, R element is NOT something they test, and also STANDING UP TO breakage and also saturation are not the like AVOIDING it altogether.
When searching for and contrasting spa covers, ALL insurance claims associated with R-value of a cover that has foam are absolutely dubious. Foam Thickness as well as Foam Density do not have any ADDED R VALUE, given that the foam is not designed to be used over a wet environment. A lot of spa cover dealerships repeat specifically the very same numbers as well as subsequently hot tub proprietors have been trained to believe the lie. Some dealerships utilize some expensive charts to substantiate their claims, however the bottom line is those insurance claims can not remain in conformity to the ASTM.
R-value testing of products is completed at room temperature level, and also does not take into consideration moisture as well as vapor. In the spa atmosphere, there is hot water and excellent amounts of steamy dampness. Each which will substantially minimize the R-value of any foam. A spa at 105 degrees will beat the R-value of any foam examined to use in a dry application.
Do not enable the R-value of foam be considered the measurement for spa cover quality. Rather search for a spa cover without FOAM. Instead, hot tub covers that use air filled chambers as an option for rigid foam boards will out preform any other, in any examination or actual hot tub application. (Hello there, like those from SpaCap.com )
Do not be mislead by claims of high thickness as well as weight, vacuum wrapped in sheets of heat bonded polyethylene, secured in hefty gauge marine grade vinyl, with chemical resistant scrim and also stitching. It won’t shield as well. It will absolutely still become saturated, distorted or busted. It absolutely was outdated thirty years ago.
SpaCap.com spa covers don’t use foam panels like the common rigid foam filled hot tub covers. Rather they use air chambers to do the insulating. Besides being much more reliable, the air chambers do not suck up dampness like every foam-filled cover ever made.
Why not go to SpaCap.com as well as get a hot tub cover for your spa today and obtain the future generation of hot tub covers.