I want to insulate the ceiling in my garage. The 2x6 joists are not 16" or
24" apart, but 20" apart. Any suggestions? Should I cut 24" wide insulation
or use loose fill? I live in Illinois.
Thanks for any suggestions
Do NOT do this. Insulation works because it traps air in between all the
"stuff" that does the insulating, not the insulation medium itself. Compressed
insulation is worthless.
Buy 24" batts and use a 2x4 or some other long straight edge to cut 4" of
What about doing blown, the depot will basically give you the machine if you
buy enough bags. All you need is someone below to feed the machine. Might
even be cheaper.
I have never heard of 20 inch on center framing especially in a ceiling. You
measured center to center or edge to far edge ,,,right?
It's probably actually 19 1/4", which is a moderately rare but acceptable
spacing, that works out to 5 joists per 8' panel. (at least, there's a column
for that on my joist-load tables.) Squeezing 24" batts
into the spaces will work, but not as well as insulation that fits properly.
For a garage, I wouldn't bother trimming bats.
For a finished attic space, I might.
On the other hand, I wouldn't normally be insulating a garage,
On Wed, 11 Feb 2004 12:27:54 -0500, " firstname.lastname@example.org"
Makes sense if it's an attached garage with living space overhead.
Like at my house. Floors get REALLY COLD in the winter... socks and
slippers are cheaper but don't help the resale value. For my
situation, sounds like blown-in is easier (no new drywall for
remember to put a big plastic tarp for air infiltration and vapor
barrier. Put it on the "warm" side. if the garrage is
heated, then put the barrier down then the insulation... if not.. the
other way around...
you can get plastic sheeting at most home improvement places.
Verso l'esterno! Verso l'esterno! Deamons di ignoranza.
I say blow the insulation in too, most places will lend you a blower
if you buy enough insulation. I did my garage in Minnesota, it worked
well. It's nice to be able to work in a heated garage when it's cold
out. I can easily heat it when the outside temp is zero or above,
below that, it gets to difficult, but it can be done. I have a 45k gas
heater. 20x22 garage.
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