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How to heatproof your mugs

Tea and coffee. They make the world go round! But if there's no coaster to hand, our love of hot drinks can leave unwanted marks on our favourite furniture. However, if you use Sugru to add a little stylish heatproofing to the bottom of your mugs, you'll never give it a second thought.

Sugru is great for this application because it is heatproof up to 180°C (356°F), and you can also customise your mug just how you like it. We used a strip of orange here, but all kinds of different effects are possible...


  • 1 x 5g pack of Sugru
  • Scissors
  • Masking tape
  • Soapy water

Step 1

Put masking tape just above the bottom of the mug so that there is roughly a 1cm ring all around.

Step 2

Work with small sausages of Sugru at a time. Press it into the rim that is the base of the mug.

We've done a bit of colour mixing here to get this shade of orange. If you want to try it yourself then be sure to check out this handy guide.

Step 3

Rub the Sugru into the mug. Keep it thicker on the bottom and thinner on the sides as the bottom is for heat proofing and the sides are just for aesthetics. Rub the Sugru just over the masking tape.

Step 4

Cover all around the mug.

Step 5

Peel away the masking tape.

Step 6

Smooth the edges down with your finger.

Step 7

Rub gently with soapy water to get a super smooth finish.

Step 8

To get a level base put some soapy water on a smooth surface, flip the base over and lightly slide around in the water.

Step 9

Flip the mug back over and leave to cure overnight.

Next, simply make your morning cuppa and enjoy your newly perfected mug!