Square Lashing
( ABOK #2114 )
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Usage
The Square Lashing is a knot used to bind two poles together, typically at right angles, making it ideal for building structures such as tripods, scaffolding, bridges and towers. It is most often used when constructing load-bearing frameworks, providing stability and strength to the joint. When the poles are tightly bound without gaps, Square Lashing is preferred for vertical or load-bearing connections, while Diagonal Lashing is used if a gap exists between the poles or for bracing. Together, Square and Diagonal Lashings are essential for constructing stable structures.
Common Uses
- bind two poles at right angles for building camp structures.
- build a table, shelf, or platform from poles and rope.
- construct a frame, gate, or tower for outdoor projects.
- create a right-angle joint for a garden trellis or fence.
- assemble a raft, bridge, or other pioneering project.
- build an improvised litter or stretcher from poles and rope.
- build a ladder or rack by lashing rungs across two upright poles.
ABOK
- 2114
Structure
Though the Square Lashing has traditionally been started with a Clove Hitch, it can also be started with a Timber Hitch or Constrictor Knot.
Note
The Square Lashing begins and ends with a Clove Hitch. The initial turns around the poles are called 'wraps'. The final turns around the center, which tighten the lashing, are called 'fraps'. The number of wraps and fraps to use can be recalled with the rhyme: 'Wrap thrice, frap twice'! Lashing strength is improved if care is taken to lay the rope wraps and fraps in parallel with a minimum of crossing, maintaining maximum contact between the rope and wood.
