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Old 04-29-2010, 01:39 PM   #1
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Insulation with doubled studs

I plan to insulate some 2x4 stud walls with typical R-13 faced insulation.

My issue is that the walls are double studded on 16in centers, meaning that the space between studs are 13" rather than the standard 14.5".

What's the best way to handle this?
Stuff the insulation in as-is (obviously would lower R Values)?
Cut away the extra insulation (how without cutting the facing I expected to use to staple the insulation to the studs)?


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Old 04-29-2010, 03:52 PM   #2
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Dont stuff it! Either cut your faced insulation so that the paper flange is wider than the insulation....or cut unfaced insulation, and staple plastic over the whole wall for a vapor barrier, if one is needed or desired in your location ofthe world.

When I've cut the faced material in this manner, I used a box knife to quickly cut most of the way thru the insulation, then used a pair of scissors to cut the remainder, sliding along the paper so as not to damage it.


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Old 04-29-2010, 09:27 PM   #3
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