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Insulation
Fully Foamed Spas -
Good or Bad?
Emerald Spas,
including the elegant Cygnus Series, feature a combination of 2# density
polyurethane foam sprayed liberally on the underside of the shell, floor
and inside cabinet panels and a Reflectix® thermal insulating blanket
fastened to the inside perimeter of the cabinet. This combination
of the double-paned window effect and removable insulation results in
optimal insulation values while still maintaining serviceability.
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As everyone knows,
the dead air space in a thermal pane window provides excellent
insulation. In a spa the dead air space allows the equipment
to breathe and captures the heat generated from the equipment to
heat the dead air space.
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Fully foamed spas
require ventilation of the equipment and are actually wasting
valuable energy that could otherwise be used to insulate better.
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Some spas are fully
foamed to provide additional structural strength to support an
inferior shell.
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Fully foamed spas
make the plumbing completely inaccessible. A leak in a fully
foamed spa is difficult to find and even more difficult to repair.
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Just as you wouldn't
build an automobile with a hood that won't open, you shouldn't build
a spa that is not serviceable.
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The equipment shroud
used in a fully foamed spa gives it a very neat appearance but the
shroud is there to hold the foam away from the equipment and makes
it necessary to vent the equipment to prevent it from overheating.
Fully foamed spas - good or
bad? You decide.
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