Slightly Damaged insulation

robnj_2006October 13, 2009

Hi, I was hoping someone can give me some guidance. I was fishing a power cable for a tv down an outside wall yesterday and unfortunatly I tore through the insulation between the inside sheet rock and outer wall. The fishing line prety much tore up the outside of the batting then the power cable finished the job! Is this something I should be concerened about Have I ddone any real damagae to the insulating abilities in thei 4 ft stetch? Is it worth getting some expanding foam try and add some cushion bettern the outer and inside wall?

Thanks!

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kudzu9

I wouldn't worry about it. It will make no measurable difference in the insulating efficiency of your wall. No walls are perfectly insulated in the first place. There are all kinds of little imperfections and spaces because of gaps, placement of the insulation around wiring and plumbing, etc. Expanding foam will not reach all the way to the trivial damage, but might make a mess. I guarantee you that that wall space is many times more energy efficient than your windows and doors. Move on to other home repairs...this is nothing.

    Bookmark   October 13, 2009 at 1:34PM
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macv

But first you must be punished. Take your wife dancing or to see a romantic comedy with a dog in it.

    Bookmark   October 13, 2009 at 2:09PM
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robnj_2006

Thanks for easing my worries. It was a very frustrating exercise! And I'm happy to move onto the next item on my list. As for taking my wife out, I think she would be more inclined to get out without the kids and just have a cold beer with no interruptions. The movie would be more of a treat for me!

    Bookmark   October 13, 2009 at 6:15PM
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kudzu9

Fishing cable is always annoying. If you think you had a problem, I should tell you about the time I miscalculated drilling down from the attic and didn't stay within the wall cavity...instead I drilled a 3/4" hole through the top of a built-in wooden bookcase. Now do you feel better?

    Bookmark   October 13, 2009 at 10:40PM
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drywall_diy_guy

"But first you must be punished. Take your wife dancing or to see a romantic comedy with a dog in it."
LOL !!!

    Bookmark   October 14, 2009 at 11:44AM
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energy_rater_la

kudzu..so did you run the wire thru the bookcase?
I have a small cabinet that the top shelf is taken
up by a wire that runs to the addition..did you do that?
LOL!

    Bookmark   October 15, 2009 at 6:25PM
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kudzu9

I didn't do yours, but if you want to hire me I can show you how to do it yourself. I'll even bring my own super-long bits with the flexible shafts!

    Bookmark   October 15, 2009 at 8:19PM
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pjb999

I have to admit when we retrofit alarm wires, the insulation does get damaged, and I hate to do it (worse when your drill bit grabs it and twists it into cotton candy?

Can't really be avoided but I've often considered throwing some spray foam in (the window type so you don't bow the walls)

To some extent, the insulation will re-expand a bit to fill the spaces.

    Bookmark   October 22, 2009 at 2:09PM
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