Substrate/Sample Separation (add-on)


Substrate/Sample Separation is separating the wall from the paint so the paint can be tested for lead.

Read below for more details.

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Substrate/Sample Separation (add-on)

Substrate/Sample Separation is an add-on to your Lead Testing Kits.

What is it?

This is a great add-on when you want to test the paint but it is too well-adhered to the substrate – the timber, render, concrete, etc – and you can only cut a paint sample which has substrate stuck to it.

The lab uses fine instruments under a microscope to separate paint from the substrate (eg timber, concrete) so the substrate doesn’t dilute the paint lead result.


  1. Simply select which Lead Testing Kit you’d like – 1-Sample, 2-Sample or 8-Sample
  2. Purchase as many Substrate/Sample Separation add-ons that you think you’ll need. You can always return to the shop during the actual paint sampling and purchase this Add-on later, as needed.
  3. Note which sample you’d like to use this add-on for on your chain of custody (document you email us once you’ve completed collecting your samples)


Our lead test kits are the only ones available in Australia for testing a wide variety of samples at a lab (which charges us a charity rate so you pay less).

You take the samples and send them to Sydney Analytical Labs.

The lab analyses the samples. Then we’ll interpret and explain the results.

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