The Misconception of R-Value and standard foam filled hot tub covers
R-value is a type of measurement of the capability to stand up to warm transfer for materials like the fiberglass insulation in your residence or possibly the insulating foam in hot tub covers The intent is that, the higher the R-value, the better the heat storage as well as, warm retention would be the primary work of any hot tub cover.
Many markets making use of R-values are regulated by FTC criteria. Commercially marketed insulation should pass independent examinations created by American Requirements and Testing Techniques (ASTM) so about be advertised or marked utilizing their R-Value.
The Misled Masses: As there is no FTC identified independent test for spa covers, So ANY mentioned R-value mentioned by a spa cover supplier remains in truth an uncontrolled, unmonitored “analysis” of an offered insulation value. It is open to misstatement and also abuse, from adding the R-value of an air space in between the water as well as all-time low of the cover, spacing between the vinyl as well as the cover insulation, or merely coldly inflating the make believe number. Some hot tub dealerships specify solely the known R-value of the insulation itself, yet obviously that doesn’t indicate that it was examined as well as recommended to utilize in hot tub cover applications.
The R-value of the actual foam insulation, despite the thickness, is ONLY rated for use in COMPLETELY DRY structure applications! Which symbolizes the fact that the R score of the foam is only suitable should it occur to be used in a wall, attic room or floor. Because must it were to be used in a moist setting, that type of insulation would fail promptly.
Foam Thickness and Foam Thickness.
These 2 elements that spa cover dealerships assert influence the R-value of spa covers, when in fact that R ranking itself has nothing to do with the foam when it is made use of in a hot tub cover. In fact, it is as misinforming as the concept that a taper on the cover will really maintain it from obtaining heavy.
Real, the foam thickness and also density would certainly have a bearing on the insulation residential or commercial properties In case the Use of the foam remained in conformity with the made use of a completely DRY environment.
No matter if the supplier asserts his spa covers are made with the most pricey spa cover foam (rigid mobile polystyrene thermal insulation) available, withstands breakage, vapor absorption and also chemical damage more than all the others they’ve tested. The fact is, R variable is NOT something they check, as well as RESISTING breakage and also saturation are not the like AVOIDING it altogether.
When looking for as well as contrasting spa covers, ALL cases related to R-value of a cover that has foam are completely unverified. Foam Thickness as well as Foam Thickness do not have any kind of ADDED R VALUE, considering that the foam is not designed to be used over a wet environment. The majority of spa cover suppliers repeat precisely the very same numbers as well as as a result hot tub owners have actually been educated to believe the lie. Some suppliers employ some fancy charts to corroborate their claims, however the main point is those claims could not be in conformity to the ASTM.
R-value testing of materials is completed at room temperature, and does not think about wetness and also vapor. In the spa atmosphere, there is warm water as well as great amounts of steamy dampness. Each of which will substantially minimize the R-value of any type of foam. A spa at 105 levels will defeat the R-value of any kind of foam tested to utilize in a dry application.
Do not allow the R-value of foam be considered the dimension for spa cover high quality. Rather look for a spa cover without any FOAM. Instead, hot tub covers that use air filled chambers as an option for rigid foam boards will out preform other, in any kind of examination or genuine hot tub application. (Hello there, like those from SpaCap.com )
Do not be mislead by claims of high density and weight, vacuum wrapped in sheets of heat bonded polyethylene, sealed in hefty gauge marine quality plastic, with chemical resistant scrim and also stitching. It won’t protect also. It will definitely still become saturated, deformed or damaged. It truly was obsolete thirty years back.
SpaCap.com spa covers don’t utilize foam panels like the regular rigid foam filled hot tub covers. Instead they make use of air chambers to do the insulating. In addition to being a lot more effective, the air chambers don’t suck up moisture like every foam-filled cover ever made.
Why not go to SpaCap.com and also get a hot tub cover for your spa today and get the future generation of hot tub covers.