Treated with mildew and UV inhibitors. A revolutionary insulating hinge seal that saves heat and prevents moisture loss. Four layers of vinyl add strength to this high stress area.
Keeps heat in and allows rain to run off.
G. Plastic Drain Grommet. Locks with a key for extra safety. Five layers of added strength where it's most needed. Longer Warranty - Other than filter cartridges, hot tub covers are the first item that usually need to be replaced. ThermoSpas new technology has allowed us to increase the warranty from a typical one year to a full three year .