Simply place a carpenter's square
(two rulers will work too!) against the curved outside corner of your spa. The distance from point X
(where curve starts) to Y (the crotch of your square) = Radius.
NOTE: The length of the curve itself is not the radius. Measure
on the square.
TIP: Don't have a square? Make one from a piece of stiff cardboard.
Please do not hesitate to contact us if you need measuring assistance (866)460-4537, use our "live
customer service" feature above or email us at solisspacovers@tampabay.rr.com