Sugru is the new self-setting rubber for fixing, modifying and making stuff.

Hand formable

Hand formable

Sugru can be formed and shaped by hand for up to 30 minutes once it has been removed from its packaging.


Sticks to almost anything

Sugru forms a strong bond to metal, ceramics, glass, wood and some plastics like perspex and ABS and rubbers like silicone and butyl rubber.

Air cures

Air cures at room temperature

Sugru is like modelling clay when you take it from its pack. Once it's exposed to air, it cures to a tough flexible silicone overnight using the moisture in the air.

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How to fix a broken cup handle

I dropped my favourite mug of Jack Skellington and smashed the handle into many pieces. The mug survived. As soon as I got sugru I decided to fix it. I used a metal U-Bolt to give it some stability. It was really easy and turned out perfect. Thanks sugru!

Kit list

  • 1 x 20g pack of black sugru
  • A spare u-bolt that was lying in my toolbox

Step 1

The broken mug, pack of sugru, and metal u-bolt that I bent slightly outwards.

Step 2

Open the pack of sugru

Step 3

Use about 1/3 rd of the pack to make the parts that will stick to the cup, then push in the bolt

Step 4

Make a long piece of sugru and form it around the curved part of the bolt, mold it and shape it until happy.

Step 5

Leave for at least 24 hours and its done. The black colour worked out very well.