Hot Tub and Spa
Term Definitions
Foam Density
The definition of Foam Density is:
Foam density refers to the weight of a cubic foot of foam. A 1.5 lb. density is generally the ideal for a 4" thick cover. It has excellent strength and insulating ability, yet is light enough to maneuver on and off your spa. Higher foam densities have additional strength, but only slightly more insulating ability. Additional strength may be needed for areas of heavy snow, rambunctious children and large dogs (even deer).
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