Most Non-destrucive Way To Get Through Joists - Electrical - Page 2 - DIY Chatroom Home Improvement Forum

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Old 07-27-2010, 06:45 PM   #16
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I have a rigid pistal grip and use a 1/2 stubby wood bit to get the close holes, and if you cut the hole big enough, you can get your hand and drill inside the space for the next joist.

I just cut a square because drywall repair is by others!
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Old 07-28-2010, 12:57 AM   #17
Rough around the edges...
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Originally Posted by jbfan View Post
I cut a square out on every other joist that I need to get across.
I can then see both sides of that joist, and the one next to it, then use a long bit, or my pistel grip drill.
After you are finnished, screw the cut out peice back to the joist and tape and mud.
I was reading about using the hole saw that I thought was pretty spiffy, but this idea is a hell of a sight easier for putting the chunk back in place, even if it is a bigger chunk.

I've been cutting 1-2" square holes on each side of the joist (unless it was an end or turn) and just using paint stirrers broken to length to back the drywall holes. (I have to pre-drill the screw holes or it just doesn't work)

Proby, I don't follow: a 3-4" hole saw cut centered below the joist? These are 2x# joists? (I'm working primarily with I-joists and don't recall their width) That leaves about 1.25" on each side of the joist. I don't have any tools that could drill through a joist using that much space. I'd have to drill at a 45 degree angle, maybe steeper. (And that's just no good) Please expound. (Heck, after this I'm considering going out and getting some pretty big hole saws)
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Old 07-28-2010, 08:28 AM   #18
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A 2X joist will be 1.5" wide. If you drill a 4" hole underneath it, you'll have over an inch on each side. Thru that hole you can slide up a long flexible bit which can span over to the next joist. Meaning, you use the hole under joist A to drill thru joist B. Even tho you are coming in at an angle, if you push up on your flexible bit it should bent enough to drill thru the joist straight.
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