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Carla from Crouse, Nc writes

How long should I leave my heat pump off after I apply Delta Dust to my crawlspace?

We are dusting a 28x48 crawlspace using the dustin mizer and delta dust. The duct work is under house but covered with plastic sheeting on underbelly (double-wide manufactured home). I see that directions indicate to turn off fans, etc and close vents. How long should I allow the dust to settle before I turn it back on?

Answer:

Depending on how heavy you apply the dust will play some part in it, but usually you can allow the dust to settle for at least a few hours and it would be fine to resume normal use of the ducts since it is covered by the sheeting. 

Answer last updated on: 10/29/2015

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Delta Dust Insecticide

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