Hot answers tagged

36 votes
Accepted

What is special about wood glue?

I assume you're talking about PVA glue. I think it just has a lot of desirable properties. Off the top of my head: Water-based and non-toxic (unless you eat it) - no nasty fumes or health risks. This ...
  • 3,853
35 votes

How can I join two boards at the ends?

There is also a bit for routers that can make what is called a finger joint. It makes many narrow interlocking 'fingers' to increase the gluing surface area. This was designed for joining boards end ...
  • 15.3k
27 votes
Accepted

How can I join two boards at the ends?

Dowels and biscuits are length-preserving, cheap and common ways of generating some long-grain glueing surface. They're not quite as strong as other solutions, but usually entirely sufficient. For ...
  • 3,815
26 votes

How can I join two boards at the ends?

You can use a long lap joint here, but one of the standard ways to join two boards like this when cutting by hand is to form what's called a scarf joint. This is approved by the Federal Aviation ...
  • 60.4k
23 votes
Accepted

What are the different types/grades of wood glue?

This is really too broad for SE but at some point there was going to be a question that asked about wood glue generally and I think it makes a good reference point for future visitors so I'm going to ...
  • 60.4k
22 votes
Accepted

Can clamps be too tight?

Hoping to run into some more tests and calculations but this is a good start. Yes Clamps can be too tight and the joint could weaken or even warp, in a sense, if too much pressure is applied. I found ...
  • 20.1k
21 votes
Accepted

Is glue the best permanent join?

Indeed, when done properly, the glue is stronger than the wood itself when both of the glued faces are edge-grain or face-grain. A few circumstances come to mind when glue alone is not stronger than ...
  • 3,571
17 votes
Accepted

Applying clamping pressure on opposing sides of a circle

I picture a jig of the same diameter as the circle so that it can't bow out but I wonder if there are simpler ideas. Likely this would apply as well to other things and not just circles... other ...
  • 12.1k
17 votes

Making wood filler from sawdust

I remember hearing a while ago that sawdust and wood glue can be used as a wood filler to fill in gaps and imperfections. Yes you can do this, but note that the term "sawdust" might be slightly ...
  • 60.4k
13 votes

Stain then glue, or vice-versa?

A couple of things to consider: If you accidentally spill glue on your pieces, the stain will not penetrate it. So, this argues in favor of staining before gluing. However... If you get stain on the ...
  • 4,166
13 votes
Accepted

Stain then glue, or vice-versa?

I prefer to tape up my glue joints, then stain / poly / paint. After that, fix any finishing boo-boos, remove the tape, glue up, and you're good to go. This provides the benefit of getting stain and/...
  • 4,382
13 votes

What is special about wood glue?

Whenever I'm joining wood together, no matter what type of joint, I turn to wood glue. "Wood glue" isn't actually one thing. It's essentially a marketing term or selling aid more than a description ...
  • 60.4k
12 votes
Accepted

Can I thin PVA wood glue that has thickened?

According to Titebond you should first try repeatedly tapping the container on a hard surface to loosen it up. Then you can thin it with water up to 5% of the glue's weight or volume. Regarding ...
  • 2,676
12 votes
Accepted

Glue spots under stain

The problem appears to be that glue has sealed the pores of the wood, preventing stain from penetrating. In order to fix the stain, you'll first need to get to wood that's not sealed. I can think of ...
  • 8,500
11 votes
Accepted

Gluing end-grain

Update, 2021 The picture appears now to be a little more complex than previously supposed, see update to other Answer in What are the different grain directions, and how do they affect joint strength? ...
  • 60.4k
11 votes

What is the benefit to gluing boards together instead of buying a thicker board?

Why go through with all the hassle of combining two slim boards, and not just purchase and use a thicker 2x4? Cost Wood of smaller dimensions can be cheaper, cheap enough that two smaller pieces can ...
  • 60.4k
11 votes
Accepted

What do I need to do to prepare wood for gluing?

All you need to do to prepare wood for glueing is to 'clean' the surface. This can actually just be cleaning in the literal sense of the word since a wipe down with soapy water (followed by rinsing ...
  • 60.4k
10 votes

Applying clamping pressure on opposing sides of a circle

I have used ratcheting band clamps on curved shapes with very good results. ( I could not find an image using the clamp on a circular form, but the principle is the same.) Rather than applying ...
  • 7,884
10 votes
Accepted

I accidentally used woodglue that doesn't stain. How do I fix it?

Almost every glue commonly in use won't take stain, and one or two that are said to stain don't stain as well as you'd like (similar story with 'stainable filler' incidentally) so it's good practice ...
  • 60.4k
10 votes
Accepted

Gluing joints with no clamps

If you're using most modern glues you do need clamps*, or some substitute, here. Hide glue is the one exception since it can be used to create rubbed joints. Although some people use PVA-type glues in ...
  • 60.4k
10 votes

How long does glue take to dry?

As is frequently the case in woodworking, it depends. Most common wood glues, including all PVA-type adhesives (both white and yellow), dry by dehydration. That is they are literally dried, ...
  • 60.4k
9 votes

Stain then glue, or vice-versa?

Glue. SAND Stain/Finish I have had this scenario come up before and the best method I have found thus far is to clean as well as you can while you are gluing, then once the glue is set lightly sand ...
  • 1,091
9 votes
Accepted

Making wood filler from sawdust

Yes, that is a method still in use. You can use it to fill gaps. But, the unfortunate thing about this method is... You create a place on wood that is different in absorbing the oil/stain that you ...
  • 144
9 votes
Accepted

Advice on fixing cam bolt hole

You might actually be able to fix this using white or yellow glue but it would be better to use a gap-filling adhesive. The simplest option for this is epoxy. Virtually any epoxy will work here, so ...
  • 60.4k
8 votes

Stain then glue, or vice-versa?

I always glue up my stuff first, and I always sand all the joints after I'm done to make sure they are even and any glue that was on the outside of the joint is removed so the wood will take a stain ...
  • 15.3k
8 votes
Accepted

Is there a reason not to glue a wooden bolt into its threads?

is there any other reason not to do it? If you really want it glued, there's no problem with gluing it. But the whole point of using threads instead of glue or a wedged through tenon is that you can ...
  • 8,500
8 votes
Accepted

What advantages do F-style clamps offer for gluing up a thick laminate?

My question is, why use so many F-style clamps rather than just 3-4 parallel bar clamps that would cover the entire surface? Probably the simplest explanation is to spread the clamping force more ...
  • 60.4k
8 votes
Accepted

Joints for a 3/4in-thick pentagon

I'm looking for some advice how to best join them. This will depend mostly on how much load you expect to put on the shelf and how you are mounting the shelf to the wall (if this is a freestanding ...
  • 12.1k
8 votes
Accepted

Laminating 2" red oak to make 4x4s?

Is there any problem or surprise waiting for me if I laminate the boards in this way? Not if you glue them together properly, no. Properly here means well-jointed faces on both pieces (flat and ...
  • 60.4k

Only top scored, non community-wiki answers of a minimum length are eligible