Insert-tube blown-in insulation method?

I've heard about the insert-tube method of blowing in insulation in the walls. What do I use for the tube? It needs to be fairly flexable.
Thanks, Scott
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Best hire a contractor to do this. They have the equipment and expertise to handle the job. I had R-19 installed in my attic for less than what I could buy it for.
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SQLit wrote:

I got a price from a contractor to do the walls with blown-in fiberglass for $3000 and the materials are around one tenth of this cost so that is why Im considering doing this myself. I will probably use cellulose in the walls if I do it myself. (Im going to use r30 fiberglass mat in the attic)
I live in Massachusetts and have oil heat so as far as I know, there are no rebates available for doing this job. (A friend of mine has gas heat and he did get a rebate.)
I have a Dutch colonial with a gambrel and figure I can blow insulation into the second story walls from the attic using the insert tube method but I dont know what I should use as the tube. It needs to be flexible to bend into the wall cavity yet stiff enough to push to the bottom of the cavity. Can anyone suggest what to use for this tube?
Thanks, Scott
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check with your electric utility provide. I'm in TX and got a monster rebate from a contractor whe I had it done 2 months ago. Entire attic went from basically r-1(yes, one) to r-30 (1800 sf) for $85 (post rebate).

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