Help. Drywall patching suggestions? - Router Forums
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post #1 of 39 (permalink) Old 08-10-2017, 10:03 AM Thread Starter
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Default Help. Drywall patching suggestions?

Last week had my garage walls filled with blow in insulation. Now I have 44 holes, 2 1/8 inch wide, where they blew in the insulation. They want $500 bucks to fill them in, so it's DIY time. First, the solution I'm considering, then a request for simpler/better alternatives.

I found some plugs with drywall disks glued to extra-wide drywall tape that you mud into place so the mud fills the crack between disk and hole--reestablishing the firewall. But they are too big and rediculously expensive with so many holes. Thinking of making my own using a hole drill. But the test piece shows I'll have to sand the edges and glue each disk to some very coarse paper.

Saw a you-tube video of the technique. You put mudding compound on the back side so the edges are covered, press the disk in (which squeezes the compound out onto the paper, then flatten the paper, mud over, dry and sand flat.

But this is going to be a chore, and I wonder if anyone has a suggestion for getting this job done with less effort. The integrity of the firewall is important to me and that's a consideration. And I like that the plug becomes part of the drywall while a simple patch does not.

The more I do, the less I accomplish.
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post #2 of 39 (permalink) Old 08-10-2017, 10:23 AM
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Choose a hole saw that will leave your disk about 1/4 smaller in diameter than the hole in the wall, so you have a large enough gap all around for mud to get down in the crack. Run a string or wire through the center hole of your disk and tie something about the size of a popsicle stick to the back side of your disk. Poke the stick through the hole in the wall and use the string to pull the stick flat against the backside of the drywall. This will hold your disk flush to the surface of your drywall while the mud dries.

“We should be careful to get out of an experience only the wisdom that is in it and stop there lest we be like the cat that sits down on a hot stove lid. She will never sit down on a hot stove lid again and that is well but also she will never sit down on a cold one anymore.” - Mark Twain
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post #3 of 39 (permalink) Old 08-10-2017, 10:46 AM
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Originally Posted by DonkeyHody View Post
Choose a hole saw that will leave your disk about 1/4 smaller in diameter than the hole in the wall, so you have a large enough gap all around for mud to get down in the crack. Run a string or wire through the center hole of your disk and tie something about the size of a popsicle stick to the back side of your disk. Poke the stick through the hole in the wall and use the string to pull the stick flat against the backside of the drywall. This will hold your disk flush to the surface of your drywall while the mud dries.
You will need some way to keep tension on the string or wire all the while the mud is drying or the disk will likely fall into the wall.
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post #4 of 39 (permalink) Old 08-10-2017, 11:39 AM
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My method is similar to Charley's. I put a stick on the backside, sometimes with some PL400 or Mo More Nails on it, and I screw it to the drywall on either side of the hole. Since you have to plaster anyway it makes no difference if you have to plaster over the drywall screws. This gives something you can screw the plug to.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #5 of 39 (permalink) Old 08-10-2017, 11:56 AM
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@tom
I do not think I can explain how I repair hole here a vedio show how to make butterfly patch. His exclamation it's a little lengthy but you should get the general idea
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post #6 of 39 (permalink) Old 08-10-2017, 12:08 PM
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I've always used Charles' technique.
-holesaw out enough drywall blanks to do all the holes (you didn't mention the size, Tom; 2" ?)
-rip some 1/2 or 5/8" scrap plywood strips...make them maybe long enough to extend past the perimeter of the hole by at least 1" on either side
-put a temporary drywall screw into the center of the strips length...this is to hold onto while you install the strip into the hole. Remove the screw after you've run drywall screws through the wall into your sticks.
It's now permanent and no buildup ox glue between the back of the wall and the face of the stick! THIS IS IMPORTANT! If you have buildup, the attachment stick sits too far back and the patch~plug won't lie flush with the wall.
That's not a huge problem if it isn't, just more work in filling.
-screw your plugs into place...one screw centered is all you need.
-fill the perimeter fully...I highly recommend using Taping mix rather than All Purpose, but you're not going to go and buy a bag of that for a dozen holes(?).
-Let the mud dry completely...it's going to shrink!
-now fill the surface as you would for any taped joint. It really should be taped but doing small circles is a royal pain. If the plugs are 2" 2 strips of that fibreglass patching tape should cover it nicely, and you can do all the holes before mudding. Don't overlap the tape strips...just butt the long edges otherwise you'll be really unhappy with the mud buildup required to bury the tape completely.
https://www.homedepot.ca/en/home/p.f...000115533.html
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post #7 of 39 (permalink) Old 08-10-2017, 01:31 PM
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He will get back to use next week after wrestling with that hole saw for a hunert holes!

That's my story and I'm stickin' to it!
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post #8 of 39 (permalink) Old 08-10-2017, 02:52 PM
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I love these things.....great for larger patches. No more popsicle sticks and string for me.

Insta-back 1/2 in. Drywall Repair Clips-4055 - The Home Depot

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post #9 of 39 (permalink) Old 08-10-2017, 02:57 PM
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Doug; kinda wish they'd had those back when I was contracting. Looks like you need to buy 200pcs?! Do they sell them in single count quantities? (Even bags of ten would be more practical for the DIYer)
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post #10 of 39 (permalink) Old 08-10-2017, 03:38 PM
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Thanks Doug, hard to keep up with the new products this is a great idea!
@Dan http://www.homedepot.com/p/Wal-Board...-014/202015408

Last edited by Semipro; 08-10-2017 at 03:41 PM.
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