Clayworks - Clayworks is an award-winning UK manufacturer of clay plaster. Clayworks clay plaster is a high performance wall finish; a breathability asset to contemporary eco builds, refurbishment and traditional restoration. Clayworks clay plaster helps you design your healthy, beautiful, comfortable home with natural products. Clayworks Directors Katy Bryce and Adam Weismann are designated 'Pioneers to the Nation' by HM The Queen. We believe in clay plaster as the natural alternative to conventional building materials. Clayworks - the UK home of clay plaster and the UK Clay Plaster Network.