[Greenbuilding] Motorized Caulk Guns

[conservation architect]

I saw a reference to a motorized caulk gun in JLC article on making homes air tight.  Instead of throw away tubes, it used a 5 gallon bucket(+-?).  Do any on the list have experience with this equipment.  Seems like it could be faster to apply and have less waste.  I am preparing for a job where we will be sealing seams of eps with acoustical sealants.  

Thanks
Eli 
 
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