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The deck should be the same height as what you're stepping on in the spa.
Just wondering - if your spa is about 18 inches above the ground, will people tend to sit on it. Â Can the cover take people sitting on it?
Correction Brewman!You can have an entire show team of sales guys/gals on that cover. This is very important for those times you go to home show and happen to drag an entire sales team back to your house for a soak. HTMan
doodoo,My harassing Doc about his unit of measure is one thing but dude, I really have to question what YOU call 15 inches!!!!