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Insulation Discussion Forum • View topic - Tubes for dense packing side walls with cellulose insulation

Tubes for dense packing side walls with cellulose insulation

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Tubes for dense packing side walls with cellulose insulation

Postby Itchy » Mon Sep 21, 2009 10:44 am

What type of tubing is everyone using to dense pack with? Seems like the insulation supply companies are selling a lot of 1-2" inner diameter vinyl tubing. We usually use the 1 1/4" vinyl, but recently bought some extra thick stuff from Home Depot that was braided. The braiding is just some white thread in the wall of the tube. I guess it is normally used for beverages, and it is clear and comes off the role pretty straight.

We had to buy a 50 foot role but the cost was only about $2.00 per foot. That is a lot cheaper than the insulation suppliers like J&R insulation at $3.25 per foot: see here:

This hose has a thicker wall, about 3/16", and is tough to get into the wall. We had great success drilling our holes at a slight angle. This helped getting the tube up the wall since the wall had many layers of siding and was about 3 inches thick. The best thing about this hose was that we could extend it 20 feet up the wall without it collapsing on itself or curling down in the stud cavity. You could never do that with the standard vinyl.
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Re: Tubes for dense packing side walls with cellulose insulation

Postby krendlguy » Wed Jan 27, 2010 9:36 am

That is great info and I am excited to try this. Does anyone use a 1" inner diameter tube for cellulose? If so what type of hose and what size hole do you drill?
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Re: Tubes for dense packing side walls with cellulose insulation

Postby catchley » Wed Feb 03, 2010 1:53 am

For what it's worth....I, too, have used this clear/braided tubing from Home Depot and it seemed to work well.

What I did struggle with however, was coming up with a fitting to attach this tubing to the blower hose. Big hassle....ended up using a Home Depot orange utility bucket - cut enough to make a cone, as a reducer, using sheet metal screws to hold together. Worked fairly well but I did get quite a few clogs right at the point where the braided tubing was attached to the cone/reducer. How have other's handled this issue?

Another issue I struggled with....blowing off the sheetrock on the interior. Trying to find a balance between sufficient blower speed to prevent the hose from clogging but not too much pressure that the sheetrock goes flying off the wall was indeed the most frustrating challenge of the experience. What have others experienced with this?
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Re: Tubes for dense packing side walls with cellulose insulation

Postby PRuss » Mon Feb 08, 2010 7:44 am

Another tube that works well is the thin walled central Vac tubes. Works great for D/P slopes and net and blow.
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Re: Tubes for dense packing side walls with cellulose insulation

Postby foamer » Wed Feb 10, 2010 11:16 pm

Isn't that a PVC type tube? What's a D/P slope?
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Re: Tubes for dense packing side walls with cellulose insulation

Postby PRuss » Fri Feb 12, 2010 5:37 am

It is PVC but thin walled so less staic. D/P is dence pack slope, as in as Gambrel or cape
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Re: Tubes for dense packing side walls with cellulose insulation

Postby robhelms » Thu Feb 18, 2010 7:09 pm

The vacuum hose idea is interesting, i might have to experiment with that.
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