IndoorAir Indoor Air

Thistle PureFinish Plaster Skim

British Gypsum Thistle Purefinish - contemporary house interior

A gypsum plaster with ACTIVair technology.


Thistle PureFinish contains ACTIVair technology, designed specifically to decompose formaldehyde emissions into non-harmful inert compounds, thus eliminating the risk of re-emission.

This finish coat plaster, which improves indoor air quality is a versatile choice where both two coat plaster and drylining methods are specified on the same job. It is also ideal for refurbishment projects.

  • This product is certified to BES 6001 achieving a rating of ‘Excellent’

Features and benefits

  • Tests show that ACTIVair decomposes up to 70% of the formaldehyde in a controlled test environment*
  • The World Health Organisation concerns about formaldehyde (which is a common VOC) in relation to human health are well published. World Health Organisation guidelines for indoor air quality: selected pollutants 2010

* Formaldehyde reduction is based on experimental data following ISO 16000-23 Standards from 0.4m2 to 1.4m2 installed/m3 room



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