I got an estimate recently to have blow in installation installed in my
attic. Today I priced batting of similar R-value, and it seems the batting
materials cost as much as the installed batting.
Is this accurate?
Sorry, didn't realize I was not clear. I got an estimate from an insulation
contractor to install an R30 of blown insulation. At big orange, I checked
on insulation prices. They do not sell the blown type, so I looked at the
batting. The batting I would need to buy to get to an R30 nearly equals the
estimate I was given for the installation of the blown.
I was shocked.
Blown in insulation usually gives a tighter seal. With batts, air can come
up in between them. The contractor may be able to buy the insulation a lot
cheaper than you can. Just make sure he's giving you R-30. There are
different types of blown in insulation. They settle differently. Do research
on the type he proposes and how thick it should be.
When I priced having some blown in my attic the minimum price was $400.
You can buy a lot of insulation for less than $400 and do it yourself.
Also, Lowes sells bags of the blown type insulation and they also rent
the machine that blows it, only problem is, the machine (which my local
Lowes has 2 of them) is ALWAYS rented out and they will not put your
name on a list so that you can be "in line" to rent it. (stupid)
I have bought bags and just emptied them out by hand, if you have enough
attic space (head room) this is easy.
BTW, if you buy a certain number of bags of insulation, use of the
machine is free, if you can get one.
"having some blown in my attic the minimum price was $400"
"You can buy a lot of insulation for less than $400 and do it yourself."
You can blow the insulation in your attic yourself also. Many building
supply houses loan you a blower with the purchase of (?) amount of
insulation. Price between the two will not be great. Advantage of blown in,
it fills the voids much better, less chance for air infiltration,
disadvantage harder to control depth, one heck of a mess should you ever
want to do any remodeling involving the ceiling. I used blanket fiber glass
and installed it 90 degrees to the original which came up to about the top
of ceiling joist. 12" total.
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