Insulation question

[coy-ote]

How can I insulate my detached garage walls that are finished dry walled already


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[coy-ote]

Question darn phone


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[flywise]

I have seen them drill holes in the exterior walls and spray in a paper mix on tv shows.
you might contact an insulation contractor

[Matt_C]

you can get the kind you blow in. if your top plate prevents you from blowing it in via the attic then you will need to drill small holes at top of wall inside and blow it down the wall that way.

[coy-ote]

How bout spray foam is it more efficient and probable to do


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[coy-ote]

ttt

[mikemorvan]

An insulation company can do a "drill & fill" application.