Could be many factors. For one, the building has 3 tenants, two of which practice there most of the time and play all their home games there. The Roughtnecks use the building for about half of the season, and their flooring might have a negative impact on the ice conditions over time. More events and concerts at the 'Dome may also play a factor, as it is the only primary location to have an event with an attendance over 5,000 people
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