Follow-up question. I'm confused one contrator tells me it's better to blow cellulose through a 2" hole with a directional nozzel vrs another who blows through a 1" hole under slow presure. Both use two holes per cavity. Does it matter?
Answer:
In order to expell air from the cavity there should not be a need for a second hole. I've seen situations where only one hole for each cavity was needed. I'm not familiar with a 'two-hole' system to accomplish that. The only times I saw more than one hole has been where some form of blockage prevented filling the cavity from top to bottom.
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