Like many companies, we have a suspended ceiling in our London warehouse with a server room which has the air conditioning working 24-hours per day every day. With just a suspended ceiling, we wanted to find a way of adding additional insulation to our ceiling without it being a fire hazzard, such as using polystyrene.
We tried Firezero 600×600 panels https://www.buildingmaterials.co.uk/firezero-insulation-pad-600mm-x-600mm-x-100mm
These worked a treat and over a 24-hour period, the temperature had a measurable reduction in variability, as you can see from the charts and the standard deviation measure.
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This ought to mean lower electric costs in the summer and gas in the winter, so we are extending this to cover all of our mezzanine areas now.
Barry Bassett