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If all I am doing is insulate the attic with celluose (and not the walls) do I need to be picky about what type of blower is used ?
I am not sure all this “dense pack” discussion on what type of blower is used applies to cellulose that is laid down on an open horizontal surface such as an attic (with no flooring).
Just blow the stuff in and make sure it’s thick enough ?
I’m thinking about 2′ to start with, which will settle a little.
I will, ofcourse, build up barriers near the soffit vents and seal all cracks and openings.
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Alan, You've got the right idea....go to it!!
*Ideally, not densepacking it would be better. This assumes you can and do seal all the openings and penetrations against exfiltration. Tops of walls, fixtures, chases over stairs or dropped soffits or around stacks and such - all allow interior air (with heat and moisture) into the attic. Densepacking usually is sufficient to retard the air movement and may be the only practical way of air sealing in some older houses.
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If all I am doing is insulate the attic with celluose (and not the walls) do I need to be picky about what type of blower is used ?
I am not sure all this "dense pack" discussion on what type of blower is used applies to cellulose that is laid down on an open horizontal surface such as an attic (with no flooring).
Just blow the stuff in and make sure it's thick enough ?
I'm thinking about 2' to start with, which will settle a little.
I will, ofcourse, build up barriers near the soffit vents and seal all cracks and openings.