Synthetic Hemp Rope

We stock Synthetic Hemp Rope, also known as PolyHemp Rope or Hempex.

Commonly used as garden rope, decking rope and banister rope, it is ideal for landscape gardening and also marine applications.

This popular alternative to other natural fibre options, looks like the real thing but is rot and weather resistant making it more suitable for outdoor use.

It has a soft and easy grip which also makes it great for kids play areas, garden swings and gym climbing ropes.

Full range of diameters available from 6mm -36mm.

Key properties at a glance: 

  • Synthetic man-made hemp alternative
  • Rot, UV and weather resistant
  • Lightweight, versatile with good strength
  • Soft and easy grip
  • Good knot stability
  • Made in Europe

Related: Climbing Rope, Decking, Garden Rope, Hemp


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Synthetic Hemp Rope Technical Details

Diameter / Weight / Break load 

Diameter Weight per 220m (kg) Break load (kg)*
6mm 3 300
8mm 5 500
10mm 10 950
12mm 13 1,360
14mm 17 1,910
16mm 25 2,500
18mm 30 3,170
20mm 42 4,220
24mm 57 4,930
28mm 60 6,590
32mm 88 8,460
36mm 112 10,600

*Break load for indication purposes only. Not test certified. Break loads will also lower as a result of splicing and knotting.


Resistance  Description
UV resistance  Good
Abrasion resistance  Good 
Rot and mould Yes
Chemical Resistant to most acids, alkalis and organic solvents


Properties Description
Construction Twisted 3-strand, Polypropylene base
Material Synthetic 
Quality certified  ISO 9002
Appearance  Light sandy beige. Matte surface. Traditional appearance
Feel Soft, smooth and slightly fuzzy surface
Handling  Very lightweight, easy grip & pliable. Easier on hands than natural alternatives e.g. Manila
Density 0.91
Strength (dry)

Suitable for lighter loads. Not as strong as other synthetics or White Staple Spun. 

Strength (wet) No loss of strength
Shock absorbency Good
Stretch (elasticity) Low
Performance in water Floats. Does not absorb water. Does not shrink or swell
Melting point 170°C 
Biodegradable  No
Storage Wet or dry environments
Knot retention Good
Can be spliced? Yes – easily
Can be cut? Yes but ends will unravel if not treated