Infrared image of Cellulose bays not completely filled with densepack behind sheetrock.
DB+ cellulose installation by boomerbvba.be - the air is allowed to escape through the pre-cut holes in the membranes, assuring a proper fill of the void.SOLITEX MENTO Plus wall dense packed and pulled from wall - cellulose stays put, doesn't drop and won't settle.
Cellulose drop test - dense pack doesn't settle, keeps it shape (boomerbvba.be). Watch video here.
Video of cellulose installation - at 2:03 you can see INTELLO Plus with counterbattens being blown-in. (PS always wear breathing filters/dust masks when blowing in cellulose).