How To Get A R-value Of Hot Tubs?

How to get the R-value of hot tub or swimspa?

When you buy a thermal cover or roll cover for your spa or swimspa, the R-value of the hot tub is an indispensable and important data provided to the seller. It is related to whether the size of the cover is suitable for your bathtub, and directly affects the thermal insulation effect. So how do we get an accurate R-value?

There is a fastest and easiest way to measure the R-value of your hot tub or swimspa.

Let's do it!

The best way to measure the radius is by placing a carpenter's square on the outside corner of your spa. The distance between the corner of the carpenter's square and the place where it touches the spa (A) equals the radius of the curve (B). Remember, if you are a little too big, the cover will still fit fine. Just do like this,