does cellulose need to be even thickness

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  #1  
Old 05-12-14, 05:21 AM
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does cellulose need to be even thickness

Here is a drawing of the layout of my attic. It has existing FG batts. I intend to blow cellulose over the FG. (8-10 inches). Is there some "great importance " that the cellulose be an even thickness throughout. Certainly, it will not be difficult getting an even thickness on the level, horizontal area. What I "INTEND" to do on the slanted area to to run some "restraining" walls ( short pieces of some lightweight (maybe thin ridged foam) material running lengthwise to stop the blown cellulose from falling to the bottom of the angled wall ). Similar to what you might see on a highway where there is often stones falling down the hill. Then running some of the thinnest (non backed) FG to lay on top of the cellulose (only on that slanted area) JUST TO HELP prevent it from rolling down. Soooo, on the slanted area the cellulose wont be an even thickness. Is that any problem. I will build a little wall around the door (as shown)and a narrow walkway to the gable end where I put a small exhaust fan ( so I can easily get to it).
 
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Old 05-12-14, 06:19 AM
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Be sure to elevate your walkway (if possible) to maintain a good depth under it. Looking at the slope of your ceiling I don't believe you will have any problems with the cellulose "rolling down". They sometimes mix a touch of water with the cellulose and spray it into vertical walls. I read also that spritzing the top surface will help bind it together. Be sure to confirm any of that as even I don't rely on my memory any more.

Bud
 
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Old 05-12-14, 08:16 AM
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Thanks Bud.(again)... Presently there is FG batt under that existing walkway. the walkway would be labor intensive to "pick up". If it were screwed down it might not be such an issue, but it's nailed down with lots of nails. i intend to make about an 18 inch 'pathway" with 12 inch walls on each side to get to and from the gable. I'll put the same amount of cellulose "In" that pathway. The 3-5 times a year that I might go to the gable, i"ll put on some snow boots and walk thru it and then "fluff it" on my way back. Does the flat portion need to be equal ????? or is that just for "aesthetics'. if anyone else reading this knows about the "spritzing", please reply
 
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