Woodworking Tip: Finishing - How to Repair Wood Cracks
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- Опубліковано 19 чер 2011
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Woodworking Tip: Finishing - Watch George Vondriska illustrate the process of repairing wood cracks in your projects. A WoodWorkers Guild of America (WWGOA) original video.
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I have used about every method known to man such as epoxy, wood glue and wood dust, super glue, every type of filler such as glitter, stains, wood dust etc. that I could think of. I like a more “natural look” instead of artificial colors and wood shavings. I sometimes use colored super glue on “very fine” cracks. What I have gone to is a 50/50 mix of wood glue and very finely ground coffee grounds. It gives an enhanced more natural look to the crack. I use this on large to very large cracks. I clean out the crack, mix up my concoction and force it down into the crack using a sharp point and pressure. I let it set over night and on large cracks usually have to fill in again as it will shrink. If you have a crack that goes all the way though to the inside of the turning just use tape on the inside to create a dam. When re-turbing use a very sharp tool and go lightly. I have had very good results and comments from customers and it has a nice natural look.
I’m a woodwork beginner, so forgive my woodworking ignorance when I ask for advice on filling large gaps in the wooden floor of my shed. When it was originally constructed (not by me), the shed was not properly supported under the flooring. Over time this has caused warping of the 0.5” chipboard flooring! As a consequence there are: bumpy floor panels, soft spots that have to be walked around - and worst of all - caused the whole shed to slightly lean, creating door misalignment! Over the past few weeks I’ve: replaced lots of the external panelling; improved interior wall strength by adding insulation and a second wooden layer and re-felted the roof. However the main job Ive been working on is replacing the flooring panel by panel (so that the whole shed does not collapse while I’m strengthening it). I’ve done this by improving the base underneath the flooring by building a brick, breeze-block and wooden support under each panel, then removed the old chipboard flooring and replaced with 1.5” solid treated wood panels. It’s not pretty, but a lot stronger. However as much as I’ve tried to marry-up each panel, as expected I’ve created gaps between them. Mostly the gap is 2 or 3mm, which I’ve filled with basic wood glue. But there are areas where the gap is as much as 5 or 6mm and of course 1.5” deep. How can I fill these gaps effectively without having to uproot an otherwise reasonably- fit panel? Sorry for the essay, only any advice on the work I’m attempting to carry out would be hugely appreciated. Thank you very much. A.T. (UK).
Thank you for this video! I repaired a dresser which was cracking for the cost of the glue and baking soda! It repaired the areas perfectly. More importantly, the glue did not disturb the wood colors at all, so no painting will be necessary! Awesome fix!
This solves my problem,thank you. I’m building a solid body guitar and have a hairline crack that’s pretty obvious. I’m painting it with a metallic finish that really highlights cracks so this will help.
As always a great tip thanks for the information.
I use this technique for fixing/repairing vintage axe handles, I also mix in the saw dust (600 grit) with it to blend in better (mix a 50/50 of baking soda and saw dust.
Great idea.....thanks
Wow!!! Genius!
wow thank you
It would be nice if you would mention or emphasize the viscosity of the CA you’re using. I can see that it is thin or extra thin, but I can also see a DIYer using gel, medium, etc.
Hi Kristin. I appreciate your feedback and it has been forwarded to the proper department. Your comments are important to us and help with the development of our online video streaming community. Thanks!
1:11 open your ears and pay attention
Hi , Thankyou for the video ! I have a set of large drawers that have a very worn tung oil finished oak top. I’m going to oil it and then tongue oil well over do. The top has a few cracks in. What would you reccomend ? The drawers are lovely but the top is sun faded and I need to stain a little first .
I'm in the home stretch of a project and need help! We're building a bookcase for our movie collection. The main frame is Pine, already stained with a water base stain. We decided to go without the wood conditioner first so that we could keep some of the character in the wood (guy at Home Depot said it's one of his favorite ways to do it) I love it, looks great but now there are a couple of very thin cracks that have appeared while it's been drying and waiting for me to finish it. I'm not sure what to do about it. It's already stained but hasn't been finished yet and I can't seem to figure out the best way to proceed. Do I fill it? Do I finish it and embrace the wood in all it's imperfections? (They're the side pieces) Advice is much appreciated!
will this stop staining?should i use a stopping solution on the knot first before the glue and soda?
Nice tip you give here sir.... I would like you to give me some advise regarding a crack on the neck of an electric guitar, the crack is thin and tight, so I'm wondering what should the approach be since it seems I can't fill it with some glue unless there's a sharp needle I can use to fill it. The neck of the guitar holds some preassure from the trust rod and strings, what type of glue is good for wood and good enough to sustain preasure. thanks a lot sir.
Would this be a safe technique to use on serving platters?
Oh My Gosh!! Buddy looks like he is ready to set up some serious "bumps" for a big party!!! Nice helpfull vid by the way!!
Can we see the final results? Would it work like on endgrain too?
What brand of CA Glue are you using please.
Can I use this method for a crack in my snooker cue ? The cracks about 2 inch long
I am hoping you can help :-) I spilt some make up on my table and I tried to scratch it off :-( that was clearly the wrong thing to do. I have now seem to have taken off the coat that protected the wood. Please can you advise on what's the best thing to do. Thank you.
Does this work on cedar
How do I fix side ceiling cracks on wood?
would it work if you were going to stain it?
I've found a solution similar to this for a surface to be stained. I layer in prestained sawdust and superglue alternately. I'm not convinced a superglued surface would take stain after the fact. When prestaining the sawdust, though, maybe use more dilute stain. The sawdust darkens much quicker than whatever board it came from.
.. You posted this 6 years ago.. But.. You just saved me! THANK YOU
@@stephanierae2512 You're welcome. Thanks for letting me know!
This is fine for painting, but how would you fill a small defect for something you plan on spray staining?
+AmericanBulldogRocky For a stained or clear finish you can follow the same procedure, but use sanding dust as a filler rather than baking soda. Generally I will hand sand with 220 grit sandpaper over the defect, filling the void with sanding dust, then soak it with CA glue, and then immediately sand over the top of the CA glue. Repeat this as needed until the void is filled flush to the wood's surface.
This approach isn't better than commercial wood filler, just an alternative. It does dry very hard and, properly sanded, will be invisible under paint.
I never did get and answer from George about using mud. He must have not seen my question!
+Murray Lowe Hi, Murray! Please submit your question and we'll be happy to answer it for you.
+WoodWorkers Guild Of America I copied and pasted it from the original question George. You must have missed it: "Just a question... would drywall mud not fill the void and stay well when painted over??"
BONDO is the best paint grade repair going. Hands down.
what kind of glue should i use?
This technique will work any place you have a crack, including end grain. It's really best for paint grade work, as the baking soda will always show in the repair.
I no longer have the finished product in my shop, so can't get a picture posted.
Hi, I hope someone can help me. I am using cheap plywood (mistake I shall never make again) and its top layer cracked. I tried putting everything inside, Plasolux glazing putty, boral filling powder (you mix it with water) polytuff, but everytime the wood bends slightly, the crack reappears. I tried putting masking tape over it and then applying putty, but now the tape seems to have air inside it and is causing problems. How do I get rid of it? I think if I use this method, again it will just crack once the wood bends.
Can I stain over this method?
Nice repair. What would you have done for a seating bench surface that has a similar hairline crack in a gel stained red oak mud room bench? In my case, I can't apply wood glue and clamps because there is no way I can install clamps on the bench to close the gap, and the top is not removable without major deconstruction. The crack is about .035" wide at max and is about 24" long.
If you're not able to repair it, then you probably just want to mask it with some colored wood putty. Something like this: amzn.to/2NerofY . Be sure to choose the color that most closely matches the piece.
Paul
Woodworkers Guild of America
@@Wwgoa ok thanks. I was going to fill the deepest spots with baking soda and CA glue, then just top off with the putty you mentioned to flatten it out. I still have the GF oil gel stain I originally used, so I hope that will help color match too. I'll use tape to mask off the area so I don't mess up my finished surface. I made a mistake by gluing red oak to plywood.
No end result?
I have a wooden tray--I LOVE this tray--I moved, unpacked it, and it seemed to have cracked all the way through except to the edges so it didn't bust in half. The crack is long but not wide. Stretches all the way through the middle. I have no bottom to the crack I can see through it. How could I get baking soda to sit in that crack without going through the bottom? The wood is a dark wood not sure the name of the wood though. Its real dark though. I really need to fix this crack to prevent it from busting and also to keep liquids from seeping through the tray since that is its purpose if anything spills it spills on the tray and does not end up on the bed or the floor.
Consider using epoxy as it's thicker and won't drip through like CA will. If you're set on using liquid glue, you may be able to lay a strip of tape (painters tape or something non-abrasive to the wood) to the bottom. Fill the crack and seal it, then remove the tape. It may not look perfect on the side you taped but you can probably re-fill and sand that side afterwards.
Hello everyone. Do you have advice on how to fix a wood project that was already painted but has a crack 2 days later. Anyway I can fix it without ruining the pretty pour done to it?Thanks in advance for any helpful tips 😊
Acord1213, It sounds likely that the wood was not done drying. I would suggest letting sit for a few weeks to let it stabilize. Then patch with filler such as Durham Rock Putty (www.waterputty.com/) and add a coat of primer, then paint.
WoodWorkers Guild Of America Hello again, Its been 2 weeks, still a little crack compared to the bigger crack a had previously. I'll try your suggestion, thank you.
Does this method only work with a paint project or can it also work if you are going to leave it natural and add coat of polyurethan?
It's going to be better for painted projects. For clear coat finishes I would suggest using sanding dust mixed with CA glue. It takes a bit longer to harden, but it will provide a better visual match.
Didnt see the output at the end of the video
where can you find this glue? i've looked everywhere, nobody has it.
Try Amazon
Just a question... would drywall mud not fill the void and stay well when painted over??
I use drywall or bondo, bondo is harder though
+Roland Mengel that's what I use to this guy don't know what hes doing lol , hell if your going to paint it use saw dust and glue or fiber glass putty
I did this on a lark and discovered superglue works excellent on wood cracks with sandpaper actually no need for baking soda the powder from sanding after applying superglue adheres to glue and its waterproof who knew
It may work. I’m not sure how much stress a snooker cue sees. This process fills the cracks, but doesn’t reinforce them. So cosmetically it would be fine.
Actually i applied superglue sanded deck wood and its still rock hard depends on how deep crack but very effective.I was experimenting and was shocked it works
Can anyone help me out with the name of the liquid he dropped over the baking soda. I am hearing impaired and the closed captioning calls it "CA glue that cyano ackerly" (at 1:11). Thanks.
+KandI Megahan The generic term for this adhesive is cyanoacrylate. It is commonly referred to by one of the many brand names that it is marketed under; "Super Glue".(ZD: 3283)
+WoodWorkers Guild Of America OMG! That's so funny: superglue! Ha.
Thanks so much!
super glue or crazy glue be careful with your fingers it drys very fast and maybe problematic
Thank you.
Lol superglue cool beans I’m glad u ask
Since wood flexes and breathes, wont this mix deteriorate after a few years ?? Thank you much
Great question! I have sent your question to our experts. Please allow 1-2 business days for their response. We will post it here. Thanks!
This is such a small patch that I don't believe you would ever have a problem. I've done this on dozens of pieces over the past 30 years, and never had a single problem.
Paul
Can i use this for my room door that my mom busted a table’s leg through it?
No, you will need something that can fill a larger void for that. Epoxy might work for that.
Paul-Woodworkers Guild of America
Don't touch it as his combination gets VERY hot when mixed. But the glue sets in no time.
What’s the name of that small white bottle? I didn’t catch the name.
Hello,
Here is a source: amzn.to/2n4rBEF
PaulWoodWorkers Guild of America Video Membership
Baking soda? or Baking powder? Because it looks like a box of baking powder you have in the video...just checking to be sure. Thanks
I don't have CA glue, what else can I use?
You can usually pick up a tube for a couple bucks. That said, you can get good results using traditional PVA wood glue such as Titebond mixed with fine sanding dust. Be sure to clean up the excess as it will cause spots to appear through your finish.
@@Wwgoa Many thanks. Cheers
Most of the cracks in wood I see around the house are not on surfaces that I can use this on - I can hardly tear out the door frame for example. Anyone have a method that involves something that doesn't need the crack to be faced upwards for it to work?
You can find commercial wood putty that works well in situations like what you are describing. Here's a good kit that might be nice to have on hand to handle a variety of patching: amzn.to/2VG5Xqy
I have a question about the CA (superglue) used. When I have bought superglue it came in a small tube and was very thick. It would not drop out in drops like this glue did. Can you give me the specific brand of this glue and where to purchase it?
Hi Linda! Great question. We have submitted your question to our experts. Please allow 1-2 business days for their response. We will share their response here. Thanks!
Here is the thin CA product that George uses: amzn.to/3CLMeZE
Paul
It's baking soda that's used for this process.
Will this work with PVA glue?
+thisisparta1 It would not soak into the baking soda very effectively, but you can do this:
- mix PVA glue with fine sanding dust (ideally from 150 grit or finer)- use a putty knife to mix thoroghly- try to get it to about the consistency of toothpaste- press it into the crack- use the putty knife to scrape it smooth- let it set up for an hour or so, then sand to finish
I do this all the time and it works well
Is CA glue, the same thing as superglue?
Amanda Knobbe
Yes.
if you don't paint, and put varnish on top of it, will it show?
Yes, it shows up. Perhaps suitable for a darker paint
demasiado ingles para mi gusto alguien en español que me indique que material utiliza para sellar la grieta Gracias
Has a lot of information in this wood working book “pepe amazing plan” (Google it). There are several designs in the book but it is mainly explaining the procedure of how you can do various things and what tools to utilize to achieve them. To put it briefly, I`m satisfied using this book, especially in the process of learning about wood working.
Awesome! ..baking soda...who ever thought?!
If u dont have volume on and miss the first part, you would think he's doing coke
Suppose you have a crack you want to fill, but you are not painting the final product?
Hi, Jim. In that case I'd suggest putting cyanoacrylate (super glue) into the crack, and sanding with 150 grit to produce dust that will be absorbed by the CA glue. Repeat this process until the crack is filled. If the crack is too large for this process, then make a batch of quick setting epoxy, and mix it with sanding dust from the same species until it becomes thick and pasty, then press it into the crack and sand it flush after it sets up.
Thanks a bunch, I'll give it a shot.
I will try to do it with Woodglut plans.
This worked horribly for my wooden grip for my AK.....
I did it myself. I used Woodprix woodworking plans for this.
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PSA : Cyanoatrolate glue = SUPER GLUE
Woodglut plans are amazing!
Hehe I think Woody Hyezmar's ideas (google him) are much better, plus they are free of charge. JK, you got an amazing plan also, depends on what you're looking for!
Is it call "CA" because you have to "Liberally" apply it? See what I did there?1?
With plans from stodoys you can make it really easy.
Im using woodprix instructions to make it and I do it already :)