It depends on the application but the most common time climbers are tying their ropes together is for long rappels.
Joining two ropes for rappel.
Last for extra friction on the single strand run the rappel rope through two biners connecting your rappel device to your belay loop and or rap with an extension.
The uiaa alpine skills series returns with guidance on which knot to use when joining two ropes.
If the rappel is longer than half a rope length you ll need two ropes to descend.
There s many reasons why you d want to join two ropes together but perhaps the most obvious one is to allow for a full rope length.
Remember to keep the pull rope within reach it s a good idea to clip it to yourself.
This is a touchy subject.
The major benefit is that the knot flattens out when loaded so it s less likely to get stuck on the wall as you pull the ropes down.
Here is a selection of knots for joining ropes and also some knots where the rope is tied upon itself such as the heaving line knot and the sheep shank the water knot is an excellent knot for use with flat webbing material.
When used correctly the flat overhand knot is superior for rigging a rappel.
Clipping the ropes together this way also helps keep them in line as you pull them in high winds.
Which knot to use to join two ropes.
For joining two lines together it would be best to use a flat seizing knot.
This knot is used to bind two lines of similar size together and never let go.
Climbing on two ropes allows for smoother ropework and the opportunity to divide up the load on the approach.
Use the double fisherman s knot to tie the two ropes together.
Commonly known as the european death knot or edk for short the overhand bend is a simple effective way to join two rappel ropes.
The figure eight overhand double fishersman s are just three methods.
Opinions vary among climbers as to the best knot to use when joining two ropes together.
This knot has been called a number of things including the euro death knot and has at times been unfairly demonized.
Here dale shares some tips for tying two ropes together for rappelling or top roping.
Once the ropes are rigged and you can see that the ends touch the ground or reach past the next rappel station thread the rope through your device and then attach the device to your harness.
The knot i use to tie together two ropes for a rappel and one we commonly use in guides training at the amga is the flat overhand.
When setting up to rappel make sure you don t accidentally tie a flat figure.
For long rappels you ll tie the two ropes together.