The problem with DIY dense pack is that it's difficult to get the proper pressure with a rental machine. I have yet to find one that can produce the necessary pressure even right at the outlet of the blower. Also you need to step down the diameter of the hose in slow increments so you will need to buy the hoses (it's really important for the last hose at least to be of proper quality) and the reducers. Aside from that, you just push the hose to the top or bottom of the cavity through one hole in the middle and then run it until you hear the pressure back up in the hose. Then you pull it out a little bit and repeat. After you get back to the hole push the hose down to the bottom and repeat. The insulmesh serves two purposes. First it lets you kick the tires so to say. Also it keeps the cellulose in place but lets the air escape instead of it all blowing out the hole you're sticking the hose in.
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