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Polyurea Spraying the base of Warragamba dam just prior to spilling. The floor required sealing prior to opening of the dam. Blast It Clean It Paint It enabled this process to happen in a very small window of opportunity. Polyurea with its 3-5 secs gel time help this short turn around. After spilling of the dam the water forces applied to the Polyurea were incredible & remained in tacked. No Damage. The Polyurea was delivered by a Graco E-XP2 Reactor Spray Unit & Graco Air Purge Fusion Spray Gun.
