Diagonal Lashing

The Diagonal Lashing Knot is used to connect two poles at an angle other than 90 degrees.

Unlike Square Lashing, this works best when the poles do not touch each other but still need to be secured.

The name comes from the fact that the wrapping turns across the poles diagonally, forming an X shape between the poles.

Let’s learn it in detail.

Quick Guide

To tie the Diagonal Lashing, start with the Timber Hitch around the poles. This allows the poles to be drawn together.

Then, tie 3-4 wraps around the poles in one axis followed by another 3-4 turns on the other axis. Make turns beside each other, not on top of each other and tightly secured.

Then, wrap 3-4 frapping turns around the poles. The frapping turns surround the lashing at right angles and strengthen the lashing.

Finally, tie a Clove Hitch around the pole near the knot to prevent the rope from unravelling.

How to Tie the Diagonal Lashing Step by Step

1. Tie a Timber Hitch around both poles.
2. Wrap 3-4 turns around the two poles on one axis.
3. Wrap 3-4 wraps in another axis.
4. Tie 3-4 frapping turns between the poles.
5. Tie a Clove Hitch.

Application and Uses

• Cross bracing: Used to join two diagonal poles to make the cross brace of a rectangular framework to prevent racking.
• Close gaps between poles: Used to close the gap between the poles where they cross each other but do not touch.
• Scouting projects: Build trestles and wheelbarrows in combination with the Square Lashing.

Pros and Cons

Pros

• Easy to tie and untie
• Strong and rigid
• Supports a variety of angles other than 90 degrees.

Cons

• Not ideal for load bearing poles

Other Lashing Knots

Square Lashing

The Square Lashing is used to bind two poles at right angles when they tend to slide over each other.

It’s used in constructing rectangular load-bearing frameworks.

Shear Lashing

The Shear Lashing is used to lash two poles together at an angle (0-45 degrees).

It’s used to make a pair of shear legs or an A-frame structure or to reinforce a broken or weak pole.

Round Lashing

The Round Lashing is used to join two poles to secure them and extend the length of the poles.

It’s popularly used to make the flagpoles.

Tripod Lashing

The Tripod Lashing Knot is a shear lashing that is used to join three poles together to form a tripod.

It’s useful for creating a DIY shelter.

Transom Knot

The Transom Knot is used to connect two poles at right angles and is particularly useful for temporary setups only.

The Square Lashing Knot would be more secure than the Transom Knot.

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