How is the spa shell’s substructure built?
Many companies use less expensive methods to reinforce the spa shell. But this can lead to cracks, leaks, delaminating, etc. We will show you how different manufacturers build their spas so you can make the comparisons yourself. 4. How do they insulate the spa? If they only offer one method of insulation, then they aren’t telling you the whole story. There are several methods used to insulate spas ranging from partial foam to full foam to thermopane insulation. Again, if they only offer 1 way of doing it, then they aren’t really allowing you to make an educated decision. 5. What kind of components are they using for the heaters and controls? Do they offer multiple components or do you only have a single choice? Are they using 2″, 3″ or 4″ diameter heater tubes? Are they using metal heater tubes or corrosion-proof materials that never rust and last significantly longer? (Please note – heaters, circulation pumps, air blowers, and automatic chemical generators are the parts that fail the
