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How To Measure For Your Spa Cover - Part 2
Shapes and Radius Corners

How To Measure A Hot Tub Spa Cover For Replacement

 

Spas come in a variety of "standard" shapes.  Determining your unit's shape will help you order the proper cover.

Square = L x W
Rectangle = L x W
Square with cut corners = L x W x Cut Corner Dimension
Rectangle with cut corners = L x W x Cut Corner Dimension
Square with rounded corners = L x W x Radius Dimension (See Radius below)
Rectangle with rounded corners = L x W x Radius Dimension (See Radius below)
Square with one cut corner = L x W x Cut Corner Dimension - must note which corner is cut and orientation of fold - must supply drawing to us !
Square with two cut corners = L x W x Cut Corner Dimension - must note which corners are cut and orientation of fold - must supply drawing to us !
Ellipse or taper = Must supply template to us.
True Octagon = L x W x Dimension of one side
Off-set Octagon = L x W x Dimension of each side ( 8 total )
Six Sided = L x W x Dimension of each side ( 6 total )
Round = Diameter
Fold = The length across the seam

 

 

 

Radius Corners

Many spa covers have rounded corners. In order for us to make you a cover, we must know how rounded they are. This is determined by figuring out their radius dimension.

The diameter of a circle is the measurement across the center. The radius of a circle is half of its diameter. Very simple.

 

cvr0220.JPG (12540 bytes)

radius.gif (6653 bytes)

Method # 1 for determining radius: We do not recommend using this method unless absolutely necessary.

To determine the radius of your cover's corners, take a sheet a paper and trace around one of the curved corners of the cover.  You will get a curved line similar to those shown at the left.  Remove the paper and complete the circle. You can do this freehand, and it doesn't have to look too pretty!  Just try to get it pretty close. Then measure across the middle of the circle you drew, and divide by 2. That is the radius of you cover's corners.

 

 

 

 

 

 

 

 

 

radius.gif (6653 bytes)

 

Method # 2 for determining radius: - We recommend using this method

Another way to measure the radius is by placing a carpenter's square on the outside corner of you 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.  However if you are even the slightest bit too small, the cover will not sit properly on the spa. If you have to guess one way or the other, go bigger (order the cover a little bigger...order with a smaller radius). The smaller the radius measurement, the 'bigger' the cover will be (more material). The larger the radius, the more the cover will be "cut off" (less material).

For example, take a look at the photo to the left. That shows the spa touching the carpenter's square at  6 1/2 inches. If you ordered a 6 1/2 inch radius cover, the cover would either be a little too small, or fit very snuggly. If you ordered it as a 6 inch radius, it would be a little bit bigger, the skirt will hang down nicely, and you would not have to struggle to get the cover on. You can't go wrong with the cover being a little bit bigger (smaller radius measurement).

 

 

 

 

 

How to measure your spa cover - part 1

 

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