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"Correct" way to repair thin wood to accept screw? #4585297
11/26/17 09:50 AM
11/26/17 09:50 AM
Joined: Dec 2002
Posts: 42,088
New Jersey
JHZR2 Offline OP
JHZR2  Offline OP
Joined: Dec 2002
Posts: 42,088
New Jersey
Yes, I know that I could just turn the hardware 45 degreees and make all new holes.

But what if I wanted to repair? Epoxy and re-tap for a screw? Water putty? Since there is a full size mortise behind it, there's not a lot of wood.



Thanks!

Re: "Correct" way to repair thin wood to accept screw? [Re: JHZR2] #4585309
11/26/17 10:07 AM
11/26/17 10:07 AM
Joined: Jul 2015
Posts: 3,801
New England
madRiver Offline
madRiver  Offline
Joined: Jul 2015
Posts: 3,801
New England
A plate? My neighbor fixed something similar with me using a thin plate.

Re: "Correct" way to repair thin wood to accept screw? [Re: JHZR2] #4585311
11/26/17 10:10 AM
11/26/17 10:10 AM
Joined: May 2010
Posts: 9,064
North Carolina
spasm3 Offline
spasm3  Offline
Joined: May 2010
Posts: 9,064
North Carolina
I can't see how much is chipped out near the hole. I would use oak dowels, even side by side if needed.( i might drill it for a larger dowel so when you re-drill the hole, is not going to be on the edge of a dowel). You could use epoxy. I find that polyurethane glue works well especially when you wet the wood first. Poly glue fills the gaps better and is strong. After it sets, you could use a flush cut saw ( preferably a Japanese flush cut, the home depot ones will still mar your surface ). then drill the new hole through the oak dowel.

You will have to tape off the area with wide paint tape as poly glue expands, you will want to wipe the excess as it expands over the first hour or so.

https://www.amazon.com/SUIZAN-Japanese-S...e+flush+cut+saw

Last edited by spasm3; 11/26/17 10:12 AM.

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Re: "Correct" way to repair thin wood to accept screw? [Re: JHZR2] #4585334
11/26/17 10:33 AM
11/26/17 10:33 AM
Joined: Oct 2002
Posts: 22,162
Colorado Springs
Drew99GT Offline
Drew99GT  Offline
Joined: Oct 2002
Posts: 22,162
Colorado Springs
Square dowel with wood epoxy in the horizontal missing piece, and then, believe it or not, tooth picks with or without glue/epoxy to repair the threads in the hole!

The toothpick trick is probably the best single diy home life hack I've ever learned for repairing stripped holes in wood. If there isn't anything below the holes, take about 3 square toothpicks, tap them in wood epoxy, stick the in the hole and wait to dry, then break of the ends and rescrew. No need to drill or anything; the toothpicks will splinter and fill in gaps in the threads making a super tight new threadpack.

Re: "Correct" way to repair thin wood to accept screw? [Re: JHZR2] #4585336
11/26/17 10:35 AM
11/26/17 10:35 AM
Joined: Oct 2002
Posts: 22,162
Colorado Springs
Drew99GT Offline
Drew99GT  Offline
Joined: Oct 2002
Posts: 22,162
Colorado Springs
:edit: if there is mortise behind that wood and all you need is for the screw to hold where it splintered out, just jam toothpicks in the hole, break them off to the right length, and rescrew. It works awesome.

Last edited by Drew99GT; 11/26/17 10:36 AM.
Re: "Correct" way to repair thin wood to accept screw? [Re: JHZR2] #4585347
11/26/17 10:40 AM
11/26/17 10:40 AM
Joined: Jun 2002
Posts: 6,354
MI
doitmyself Offline
doitmyself  Offline
Joined: Jun 2002
Posts: 6,354
MI
It's tough to see what that wood is where the screws go. Is it just plywood?

I would use an epoxy filler as a better product than the Durhams water putty. spasm3's glued in, over-sized dowel repair is an excellent solution also.

Depending on accessibility, a wood insert might work also: http://www.theinsertcompany.com/index.php

That broken out hole on the left......if there is room, could you slide a T Nut shown below into the broken "slot" to work like a hollow wall anchor??


Re: "Correct" way to repair thin wood to accept screw? [Re: JHZR2] #4585348
11/26/17 10:40 AM
11/26/17 10:40 AM
Joined: Sep 2017
Posts: 239
One Step Beyond
MasterSolenoid Offline
MasterSolenoid  Offline
Joined: Sep 2017
Posts: 239
One Step Beyond
I would use wooden dowels glued in and cut flush.
Go as big a diameter as you can, it will be stronger.

I've done it using a brad point drill bit


And one of those Japanese Saws that cut on the pull-stroke.
I have one from Home Depot and put 'blue' Painters tape on each side of dowel to NOT mar surface.

just take your time and let the glue completely dry.


2002 Ford Ranger
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Re: "Correct" way to repair thin wood to accept screw? [Re: Drew99GT] #4585375
11/26/17 11:11 AM
11/26/17 11:11 AM
Joined: Mar 2017
Posts: 5,483
Gone
PimTac Online content
PimTac  Online Content
Joined: Mar 2017
Posts: 5,483
Gone
Originally Posted By: Drew99GT
Square dowel with wood epoxy in the horizontal missing piece, and then, believe it or not, tooth picks with or without glue/epoxy to repair the threads in the hole!

The toothpick trick is probably the best single diy home life hack I've ever learned for repairing stripped holes in wood. If there isn't anything below the holes, take about 3 square toothpicks, tap them in wood epoxy, stick the in the hole and wait to dry, then break of the ends and rescrew. No need to drill or anything; the toothpicks will splinter and fill in gaps in the threads making a super tight new threadpack.





I learned a similar method using wooden matches. The matches of today are made from very soft punk wood so the idea is not as good as in the past when wooden matches were much stronger.

Your toothpick idea sounds good.




Re: "Correct" way to repair thin wood to accept screw? [Re: spasm3] #4585450
11/26/17 12:17 PM
11/26/17 12:17 PM
Joined: Jul 2008
Posts: 1,090
British Columbia, Canada
ecotourist Offline
ecotourist  Offline
Joined: Jul 2008
Posts: 1,090
British Columbia, Canada
I used to use toothpicks (which work fine if the load isn't too great) but for a tougher job I prefer to drill out the offending hole and glue in a dowel. I use plain wood glue. If you make the dowel a little short you can tap it in flush with the surface so you don't even have to cut it off. I've reworked a few door hinges with misplaced or loose screws that way and it makes for a very strong repair.

Meanwhile, given that there are 3 holes I'd be tempted to rotate the fitting and drill 3 new holes.


2000 BMW 528i 5MT
2007 Honda Accord EX-L 4Door V6 6MT
Re: "Correct" way to repair thin wood to accept screw? [Re: spasm3] #4585457
11/26/17 12:23 PM
11/26/17 12:23 PM
Joined: May 2014
Posts: 3,667
Columbus,Nebraska
Yah-Tah-Hey Offline
Yah-Tah-Hey  Offline
Joined: May 2014
Posts: 3,667
Columbus,Nebraska
Originally Posted By: spasm3
I can't see how much is chipped out near the hole. I would use oak dowels, even side by side if needed.( i might drill it for a larger dowel so when you re-drill the hole, is not going to be on the edge of a dowel). You could use epoxy. I find that polyurethane glue works well especially when you wet the wood first. Poly glue fills the gaps better and is strong. After it sets, you could use a flush cut saw ( preferably a Japanese flush cut, the home depot ones will still mar your surface ). then drill the new hole through the oak dowel.

You will have to tape off the area with wide paint tape as poly glue expands, you will want to wipe the excess as it expands over the first hour or so.

https://www.amazon.com/SUIZAN-Japanese-S...e+flush+cut+saw
What spas says. I have used this repair method many times. After I drill the hole for the dowel, I use a dab of wood glue on it and drive it in. Don't hesitate.

Re: "Correct" way to repair thin wood to accept screw? [Re: JHZR2] #4585478
11/26/17 12:43 PM
11/26/17 12:43 PM
Joined: Feb 2010
Posts: 4,838
Central Texas
sleddriver Offline
sleddriver  Offline
Joined: Feb 2010
Posts: 4,838
Central Texas
Mostly what others have already suggested. However, yellow or white glue will work fine and is very strong when dry. Drill out the round holes then use a dowel w/glue to fill. For the rectangular slot, use a popsicle stick with the end cut square.


1998 Volvo V70 T5 228,880 mi. Original Owner.
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Re: "Correct" way to repair thin wood to accept screw? [Re: sleddriver] #4585515
11/26/17 01:08 PM
11/26/17 01:08 PM
Joined: May 2014
Posts: 3,667
Columbus,Nebraska
Yah-Tah-Hey Offline
Yah-Tah-Hey  Offline
Joined: May 2014
Posts: 3,667
Columbus,Nebraska
Originally Posted By: sleddriver
Mostly what others have already suggested. However, yellow or white glue will work fine and is very strong when dry. Drill out the round holes then use a dowel w/glue to fill. For the rectangular slot, use a popsicle stick with the end cut square.
1/64" undersize hole will work. I use a drill index to find the right size drill bit.

Re: "Correct" way to repair thin wood to accept screw? [Re: JHZR2] #4585516
11/26/17 01:08 PM
11/26/17 01:08 PM
Joined: Oct 2002
Posts: 47,283
Duvall WA - Pacific NW USA
Pablo Offline
Pablo  Offline
Joined: Oct 2002
Posts: 47,283
Duvall WA - Pacific NW USA
That looks plenty thick enough to fill and drill. I have even used a golf tee, and gorilla glue or epoxy. Cut, sand flush drill perfectly. No problems, mi amigo.


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Re: "Correct" way to repair thin wood to accept screw? [Re: doitmyself] #4585599
11/26/17 02:14 PM
11/26/17 02:14 PM
Joined: Dec 2002
Posts: 42,088
New Jersey
JHZR2 Offline OP
JHZR2  Offline OP
Joined: Dec 2002
Posts: 42,088
New Jersey
Originally Posted By: doitmyself
It's tough to see what that wood is where the screws go. Is it just plywood?

I would use an epoxy filler as a better product than the Durhams water putty. spasm3's glued in, over-sized dowel repair is an excellent solution also.

Depending on accessibility, a wood insert might work also: http://www.theinsertcompany.com/index.php

That broken out hole on the left......if there is room, could you slide a T Nut shown below into the broken "slot" to work like a hollow wall anchor??



No these are solid wood panel doors, madein the 20s. Trim is all chestnut but I believe the doors are pine. The issue is that there's maybe 1/4" of wood between the surface and the mortise assembly. Years have loosened the screws on the hardware, and they won't stay in well on the most used doors. This one has a cracked spot (top hole) which needs repair.

Re: "Correct" way to repair thin wood to accept screw? [Re: JHZR2] #4585683
11/26/17 03:41 PM
11/26/17 03:41 PM
Joined: Sep 2014
Posts: 485
Texas
JBinTX30 Offline
JBinTX30  Offline
Joined: Sep 2014
Posts: 485
Texas
Minwax Wood Filler would work perfect.


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06 Chevy Trailblazer LS 4.2 PP 5w30 XG9837
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