Slippery floor in floorball arena

Challenge

In an existing floorball hall, the players experienced humid and slippery floor mainly in the second half of a match, when the hall was crowded with both players and spectators. The hall is heated (at 18 °C) by high temperature ceiling gas radiators. This heating is set back to 10 °C when the hall is not in use. It was obvious that the problem occurred, because the floor reacted too slowly and stayed cold while the air was heated up. To the building physicist it was clear what to do, but there was an uncertainty how extensive the correction should be. Convincing arguments were needed. 

Solution

Correct position of the radiator and floor parts with different surface temperatures

With this model it was shown how results were changed after adding an insulation layer to the floor construction.

Result

The simulation showed that only 1-2 cm of insulation was needed to avoid the problem. It was also shown that too much of insulation could cause condensation problems at the ceiling, as the roof is only poorly insulated.

Temperatures during two days (only the second with occupancy)

Same situation, but with 2 cm insulation on floor

 

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