Questions tagged [joinery]

The process of joining two pieces (usually wood) together. Techniques, tools, hardware.

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11
votes
1answer
5k views

What are the different grain directions, and how do they affect joint strength?

What are the differences between edge grain, face grain, and long grain (and why not throw end grain in there while we're at it)? And which of these grain directions results in the strongest glue ...
6
votes
1answer
3k views

What is the maximum width for a full cross grain glue up?

I realize that every wood species expands and contracts slightly differently, but in general at what width should I consider using a floating breadboard edge detail rather than a full glue-up for ...
13
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4answers
11k views

What is a good way to prevent jointed tabletops from bowing when tightening fasteners or the glue sets?

I recently made a tabletop for a rolling tool cart using 2x4's jointed and pocket-screwed. When I set the table upon the cart I noticed a very serious bow, almost like I was starting to make a barrel!...
5
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2answers
4k views

Will these table legs support this table?

Will these table legs be able to support this table design or will they need additional supporting features? I'm specifically talking about the structural integrity of the legs, seeing as how they are ...
13
votes
4answers
17k views

Gluing end-grain

Reading Is glue the best permanent join? and How can I join two boards at the ends? it sounds like the consensus is that gluing end-grain just doesn't work well. As this answer explained, When ...
10
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1answer
3k views

Not-so-obvious disadvantages of butt joints

Having just completed my first woodworking project (a twin-size bed made of 1x poplar and plywood), there are of course many things I would change if I were to do it again. Perhaps one of the more ...
26
votes
4answers
7k views

What is special about wood glue?

Whenever I'm joining wood together, no matter what type of joint, I turn to wood glue. But there are other glues out there, such as epoxies and Gorilla Glue. It seems the alternatives are very strong ...
27
votes
8answers
40k views

How can I join two boards at the ends?

I want to join two boards end-to-end, effectively making a longer board. Thus, the glue will be on the end grain of both pieces (highlighted blue.) (Source: self) I know that an end-grain butt joint ...
18
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5answers
5k views

How do experts make dovetails by hand that fit so well?

I keep coming across various YouTube videos of experts making dovetail joinery by hand, and they get tolerances of the 1/16" of an inch or less. What I don't understand is how they get such accuracy ...
13
votes
2answers
9k views

What is the difference between a dutchman patch and a butterfly patch?

In How can I repair a split in a board?, the accepted response suggests a "dutchman patch," but I'm getting mixed messages from various sources. Some show a dutchman as being the removal of damaged ...
16
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3answers
3k views

How do I make a mortise and tenon joints by hand

I am starting a new project and intend to use more joinery techniques. I am going to make a chair, and I was hoping to create some mortise and tenon joints for the chair that I am making. I do not ...
5
votes
1answer
840 views

What joining methods would be best for the legs and other areas of a height adjustable desk?

I am working on building my first piece of furniture. I decided to go a bit big and went with a height adjustable desk. I have the linear actuators and the electronics figured out. Today I purchased ...
11
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3answers
9k views

Joining corners in a loft bed

I'm making a loft bed, and would like to know if the way I plan to join the corners will be sufficiently strong to hold up say 120kg in the second floor. The loft bed is 1920 x 896 x 2330 and I'm ...
21
votes
3answers
6k views

Can clamps be too tight?

When gluing pieces together, I've always used an abundance of clamps and tightened them with all my might. Is it possible to tighten them too much? At some point, could I squeeze out so much glue that ...
13
votes
2answers
10k views

What type of joint should I use for building a piece of furniture that will be assembled and disassembled?

I am working on a large piece of furniture that cannot fit into my home fully assembled. I must carry the smaller pieces through the door and assemble the item in its final resting place. What ...
8
votes
1answer
17k views

Substitute for Pocket Hole Jig?

Pocket Hole jig is really expensive for me and I don't plan to buy one right away. So, as a newbie I was searching for any alternative. I have seen many videos and stuff over the net but as a fresher ...
4
votes
4answers
2k views

How can I flute my own dowel or create dowel with similar properties

Now I know that I can just buy these in packs of hundreds likely but lets play pretend that I need to make some from what I had available. When I think of fluted dowel I picture these guys... Image ...
12
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5answers
13k views

Strong joints to use when making custom frames

I found this large 4' x 3' mirror in the garbage. It is a heavy beast. I plan on making frame for it but I'm worried about the joint. I only have experience with miter joins and splines which seems ...
9
votes
1answer
1k views

What's the best way to widen a butcherblock countertop?

I'm very handy in general, but I'm new to wood working. We're installing butcher block countertop. we've pre-ordered sections that are 8' x 25" x 1.5" thick. I've done tons of research, and I'm ...
7
votes
3answers
12k views

Do pocket hole screws allow for proper expansion and contraction in planked table tops?

I am learning furniture building. I started by building tables using pocket hole screws to attach the planks together and also to attach the table top to the apron/base. I am now converting to using ...
19
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3answers
3k views

Perfect miters every time

I'm using a table saw to make picture frames with mitered corners. It turns out that even tiny inaccuracies in the miter angle or the lengths of the frame pieces cause gaps that make a frame look ...
15
votes
8answers
36k views

When are pocket holes an appropriate joinery technique?

I have come across a lot of designs and plans for things like outdoor furniture, kids' furniture, etc., that call for the use of pocket holes. I can appreciate why this is enticing to a lot of people ...
14
votes
7answers
23k views

What might be stronger than a miter but still look like a miter joint?

In this bench, the joints appear to be simple miters; however, I can't believe that this piece would be stable with a simple miter. How might this joint be constructed so that it is strong enough to ...
11
votes
5answers
34k views

How do you make mortise and tenon joints using power tools?

There is already a question about making mortise and tenon joints using hand tools. It would be nice to also catalog the various ways of making mortise and tenon joints using power tools. Wherever a ...
6
votes
2answers
2k views

Should I use one large spline or multiple smaller ones for a miter joint?

This obviously depends on the thickness of the wood. When you see multiple splines on a join they use contrasting wood colors to create a nice effect. But is that the only reason? Consider the ...
11
votes
2answers
3k views

Are spline joints inherently stronger than a standard butt miter joint?

I have always liked how spline joints look, but I was unsure whether it would help or hurt the joint strength. Are splined miter joints stronger than other types of mitered joinery?
11
votes
3answers
11k views

Glue spots under stain

I have two pieces of plywood that I joined with biscuits and wood glue (wiping away all excess glue after joining the two pieces. I then sanded the whole piece down to 220 grit. After staining there ...
6
votes
3answers
7k views

How to join short boards to make a longer panel

I'm pretty familiar with edge joining boards of the same width to make a panel (for a table top, cabinet door, or whatever) but I've never done a project where I also need to end join short boards, ...
13
votes
4answers
5k views

What are some best practices and techniques for building cabinet boxes with plywood?

I often find myself wanting to build plywood boxes of various sizes for various uses. I realize that the size and use can dictate how to construct the box, but are there some general recommendations ...
12
votes
3answers
5k views

Mortise and tenon joint proportions for 3 wooden beams corner

I'm designing a cabinet with drawers and I would like to use 60mm (roughly 2 and 3/8") wide beams for the frame. The frame with one side panel visible looks like that: I would like to use mortise and ...
11
votes
1answer
14k views

How does one properly mount a breadboard end?

Given the below design which really violates the mechanical use for a breadboard, assuming that I were otherwise building a farmhouse table with pocket screws, what would be the appropriate way to ...
16
votes
6answers
31k views

Joining wood at an angle

To give you an idea of scale, as it give context, I am referring to the roof of an open bird feeder. Currently I make 3 holes that I drill perpendicular to where the two pieces meet. Getting a screw ...
8
votes
2answers
11k views

Make a table top using pocket holes?

I want to make a table top from some oak planks that I have. The oak is about 1" x 6" x 8' each. Is using pocket holes and glue an appropriate method for edge-joining the planks together to make the ...
7
votes
2answers
25k views

Attaching Legs to a Table

I decided build a table out of 2x4s and such for Thanksgiving. I figured it would be a cool first woodworking project. The top went pretty well I think, but now it's time to attach the legs and I feel ...
6
votes
1answer
3k views

What are the minimum, maximum, and optimal depths for dadoes, grooves, and rabbets?

I kind of assume that dadoes, grooves, rabbets / rebates should be no deeper than half the thickness of the material. So, in 3/4" stock, dadoes should be no deeper than 3/8". Anything deeper would ...
5
votes
1answer
1k views

Fixing an oversized mortise

Any suggestions on fixing this? I cut the mortise about 1/16" too large in both dimensions. :(
5
votes
3answers
4k views

How can I create a planked wood table top with a plywood core?

I was looking at this table made by Harp Design company Melissa Table The description describes the top's construction as: Each top is crafted from reclaimed old growth pine which is planed down ...
3
votes
2answers
3k views

What joint should I use for this 45 degree angled brace?

What joint should I use for this 45-degree piece? It provides lateral support to a table leg, and there are two (one on each side of the upright piece in the picture). The bottom is a 3-way mortise ...
15
votes
5answers
2k views

What is the name of the corner joint with grooves on this chair?

I removed the seats from dining chairs I just bought but have never seen this type of construction. What is it called?
13
votes
4answers
4k views

Is glue the best permanent join?

My understanding of modern wood glue is that, if the proper glue is used and wood surfaces are properly prepared, it will form a bond stronger than the wood itself. Is this true? If not what are the ...
12
votes
1answer
6k views

When it comes to dovetails what is the significance of 1:6,1:7,1:8

I've been watching and reading about dovetails and you see workers put certain angle on their tails and pins. These angles can be decribed with number sets such as 1:6, 1:8 and other examples. Router ...
9
votes
2answers
7k views

How thick do slabs need to be in a slab bench?

My cousin's fiancee is looking to build a bench for their kitchen. From his description, it sounds like what I would call a "slab bench." Just three thick slabs of wood, two for legs and one long one (...
6
votes
1answer
585 views

What is this plywood joining mechanism and hardware for knock-down furniture?

Just came across a plywood joint mechanism, which I found very interesting as new woodworker. Basically I don't know what it is called and can't find any in our local market. I am attaching the photos ...
6
votes
1answer
431 views

Make a bunk bed v2

I decided to make a bunk bed for my room as it is small and I need a desk. I made a first design in this thread Make a bunk bed But I realised that all the strength would be on the angle brackets ...
6
votes
2answers
9k views

What is the strongest join for splayed legs?

I intend to make a splayed leg dining room table similar to the ones in these images: Because dining room tables typically support a good deal of weight, I'm concerned about the amount of stress ...
4
votes
3answers
447 views

Joining on an angle

I am trying to build this at home. I was just wondering what the best approach would be to join at these angles? I was thinking about using pegs/dowels and glue, any suggestions would be much ...
4
votes
4answers
1k views

What are my options when laminating wood with butt joints?

I plan on starting to laminate soon. I was hoping to just do long pieces with each piece of wood would be as long as the the entire work. However, after looking at my stock, In order to get the best ...
3
votes
2answers
169 views

How to fix this mortise and tenon joint

I am fixing a bench and came across the above mortise and tenon joint between the foot and the vertical support (2 actually, one on each support). Quite clearly, someone has messed with this joint in ...
2
votes
1answer
2k views

Gluing plywood together

I have a small cabinet that I plan on wrapping in stained and wood and mounting on the wall as a liquor cabinet. The wrapped wood I plan on using 3/4 plywood with 5mm popular plywood on top of that. ...
2
votes
3answers
931 views

I calculated the recommended number of clamps required for my table top and the answer seems insane

According to the article in fine woodworking on gluing up joints: The formula for number of clamps required is (square inches of glued joint x PSI for the wood in question) divided by PSI of the ...