Woodworking Project: Clamping Cauls | Woodworking News

Cauls are an essential tool for woodworking projects like gluing panels, applying edge banding, or any situation where you need even pressure over a surface. They reduce the number of clamps you need and help you clamp beyond the reach of standard clamps.

A caul can be as simple as a straight, sturdy piece of wood or a custom-made tool designed for a specific clamping task. However, the effectiveness of a caul depends on how it’s made and used. Homemade cauls, often made from leftover lumber, can sometimes be unreliable, which is why cauls are often overlooked in the workshop.

Tip: For consistent results, consider investing in manufactured cauls designed for professional glue-ups.

The Basics of a Caul

To distribute pressure evenly without damaging your work, a caul needs to be the right size and have the right shape.

• Size: The caul should be wide enough to spread the pressure and not dent the surface. A good rule of thumb is to use a caul that’s at least 1 inch wide and…