bignthscompOur phenomenal Heat Stop compound creates a thermal barrier, preventing transfer of heat along metallic pipes. It allows you to solder without fear of heat creeping along the pipe, causing possible damage to plastic fittings (A), or accidentally thawing ice plugs on frozen pipework (B).

Simply remove the compound from the pot and carefully mould around the circumference of the pipe. Position the compound between the heat source and the section of the pipe/fitting you want to protect from residual heat. Then solder away. It’s non-toxic and can be used over and over again.

Heat Stop Compound


340g tub

Reusable putty

Product code: NTHSCOMP

How to use:

  1. Moisten hands and apply compound generously around the pipe
  2. Ensure there are no air gaps and use blow torch as required
  3. When work is complete allow surfaces to cool
  4. Remove Heat Stop and store in an air-tight container. If it becomes dry, sprinkle on a few drops of water and knead.

Heat Stop Compound


Heat Stop allows you to solder pipes without damaging plastic fittings.

Heat Stop Compound



Heat Stop prevents ice plugs in frozen pipework from melting during soldering work.