Do dovetails need glue?

Michael Dresdner: The only areas that require glue on dovetails are the diagonal faces.

Do you glue sliding dovetails?

Sliding dovetails provide several advantages over a dado joint. First, they’re stronger because they don’t rely solely on glue. Second, the shoulders of the dovetailed piece hide the edges of the slot, much as a tenoned workpiece hides a mortise.

What are the rules for dovetail joints?

The space between half pins is divided between pins and tails. Fine work the pins 4mm > 6mm, larger work 7mm > 12mm. To have a desirable appearance the pins smaller than the tails. Your tails should be around 18mm > 35mm for fine work like drawers and 35mm > 55mm on larger work like a chest.

What is the weakness of dovetail joint?

The disadvantages of dovetail joints are that they can be fairly difficult to mark out and cut, and if they are made badly these joints lose the advantages listed above. Depending on the project, function, and design, there are a number of different types of dovetail joints to choose from.

What is the best wood glue for dovetail joints?

Titebond III is what I use. It has superior water resistance to Titebond II. Either one works well if the gaps are small and the adhesive is stronger than the wood. If the gaps are on the loose side, epoxy resin is a better choice.

How do you take apart a glued dovetail joint?

Heat the area around the joint with a heat gun. Continue to move the heat gun over the joint and soften the glue holding the joint together. You can purchase a heat gun online or at a hardware store. If you don’t have a heat gun, you can use a hairdryer on the high setting.

What are the disadvantages of a sliding dovetail joint?

It’s very easy to make the dovetail tenon too thin, leaving the joint loose, so this is where your patience is essential. Even a tenon 1/32″ too thin will produce a weak joint. The key is to sneak up on the final ‘perfect’ fit.

Are dovetail joints worth it?

Making sure that you pick a drawer joint that can withstand this type of wear and tear is crucial to the longevity of your kitchen cabinets. Dovetail joints are considered one of the strongest joints used in kitchen cabinetry construction and are the best solution for a kitchen cabinet drawer box.

Is a finger joint stronger than a dovetail joint?

It depends on the application. For box joint, some people put a lot more fingers than it is possible to do with Dovetail. In this case, the gluing surface is larger, and the joint is likely stronger.

What is the weakest joint in carpentry?

A butt joint uses a simple technique whereby two pieces of material are joined together at their ends, without any special shaping or cutting. Although it is simple, the butt joint is also the weakest of the wood joinery types.

Are dovetails the strongest of all joints?

Dovetail is arguably the strongest joint in millwork. It’s made so that it can’t be twisted or pulled in any direction except for one. This means that it’ll take more force to break or damage the joint. Because of the preciseness of each piece, this joint is held into place without the need for extra reinforcement.

Is dovetail joint permanent?

The strongest and most permanent right-angled joints made in wood are the ‘dove-tail’ joints, as illustrated below. The so-called tails and pins fit together to form a secure joint.

Do wood joints need glue?

If you removed the glue from the joints, most woodworking projects would be reduced to a jumbled pile of parts. Even the best-planned and well-executed joinery wouldn’t be worth a nickel without the contribution of the glue. However, when gluing up a joint, it’s pretty easy to take a good end result for granted.

Is Gorilla Glue good for wood joints?

It will also stick to some surfaces that wood glue will not. But for imprecise or gappy joints, Gorilla glue (or any other foaming polyurethane glue) is probably the worst choice you can make.

Does PVA glue work on wood?

PVA or Polyvinyl acetate is the wood glue that all carpenters have come to know and love. Commonly referred to as wood glue or white glue, PVA has set itself to be the best all-purpose wood glue on the market.

What are the disadvantages of a sliding dovetail joint?

It’s very easy to make the dovetail tenon too thin, leaving the joint loose, so this is where your patience is essential. Even a tenon 1/32″ too thin will produce a weak joint. The key is to sneak up on the final ‘perfect’ fit.

Do you glue a tongue and groove joint?

For example, since tongue in groove joints are not glued together, and are left to expand and contract freely, food particles could find their way in there. I wonder if you are thinking about using splines to help align table top boards to help with gluing.

Can you Unglue wood glue?

The two things to try are heat and moisture. Heat will soften cured PVAs so I would warm the area well with a heat gun if you can, being careful of the finish needless to say. If you don’t have a heat gun but do have a hairdryer use it, it’s better than nothing.

How deep should a dovetail joint be?

Typically we use 1 ½” – 2” deep dovetails that are about 2” less deep than the joist, and 4” less deep than the girt – but that is just a starting point – the loads and reactions have to be calculated from there.

When did they stop using dovetail joints?

Hand-cut dovetailing was the default until 1860 when uniform machine-cut joints were introduced. But fine cabinetmakers persisted in fitting their joints by hand until the early 1900s, and cabinetmakers in Europe cut dovetails by hand well into the 1930s.

What makes a dovetail joint so strong?

The dovetail joint is very strong because of the way the ‘tails’ and ‘pins’ are shaped. This makes it difficult to pull the joint apart and virtually impossible when glue is added.

Do you need to clamp dovetails?

I always make sure the side beieing assembled is down on the surface of the table to avoid splitting. In other words I’m hammering the pin board into the tail board not hammering the tail board onto the pin board. No need for clamps if you dovetails are tight. I will clamp a board that may have bow a little.

Is dovetail the highest quality?

Without a doubt, dovetail joints are revered as one of the strongest woodworking joints. The strength lies in the precise shaping of the tails and pins. When these elements fit snugly together and are bonded with glue, the resulting joint becomes nearly impossible to pull apart.

Which is better English or French dovetail?

While both English and French dovetail construction are very sturdy and high quality, English dovetail construction is slightly sturdier with the trade-off of being more expensive and time-consuming to produce.

What is the strongest joint in carpentry?

MORTISE AND TENON JOINT Mortise and tenon joints are widely regarded as one of the strongest and most reliable woodworking joints. They involve creating a mortise, or a hole, in one piece of wood and a tenon on the end of the other piece, which fits into the mortise.

What is the most complicated woodworking joint?

Dovetail Once linked, a dovetail joint has superior resistance to being pulled apart. Historically, the biggest drawback to dovetail joints was how difficult they were to craft by hand.

Mike Walker

Repair and Construction Expert. Owner