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Do foam insulation installers have special nozzles to reach inaccessible areas?

Do foam insulation installers have special nozzles to reach inaccessible areas?

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  #1  
Old 02-12-15, 06:49 AM
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Do foam insulation installers have special nozzles to reach inaccessible areas?

My 1950 log vacation home has the original section sitting on a crawl space only a few inches high. There is access to the entire width of the section from an adjoining newer basement.
I've assumed I would need to excavate all this area in order to insulate the floor but then a thought occurred to me...
Are there spray nozzles that would allow an installer to reach deep (about 12 feet) into each joist bay and spray the foam up against the subfloor?
 
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  #2  
Old 02-12-15, 07:36 AM
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Never seen one.
They need to be able to see what there doing, where the foam is going, how thick it is.
Hard to do upside down and 12' away.
 
  #3  
Old 02-13-15, 08:55 AM
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You can see in the bays--but too close to ground to crawl in.

I could excavate the crawl one bucket at a time, carrying them up the stairs. Or I could rip up the floor--but had no plans to do so and I like it as is. Either seems like a lot of work for the single purpose of spraying foam in the space.
 
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