Looking like a snow scene, this is the tank floor now covered with 170 mm of Duratherm foam. Before the day was over roofer James Holgate has laid roofing boards on top of the foam. Just for fun, the water inlet pipe of the tank has been flash sprayed with foam. It will later be painted, direct onto the foam.
This is Gary McKee, foam sprayer and Arabian impersonator. The sun today was so hot that the headgear was very practical. The sun's heat not only dried out the tank it helped the foam to cure quickly so that the job was done in a day.
Gary in action. The foam depth can be judged against the three untreated panels. The chemicals that comprise the foam are pre-heated and delivered to the spray gun at very high pressure via insulated pipework. The setting foam achieves an instant skin and can bear a man's weight almost straight away.
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