In the Highlands, north of Inverness, students aged from 3 to 18 are enjoying the health and comfort benefits of the region’s first Passivhaus-standard school. The new £72 million Tain Campus is now home to Tain Royal Academy, Tain Primary School and St Duthus School. It has been constructed to the Passivhaus standard to reduce energy consumption and create a healthy learning environment. The external wall specification included two Proctor Group membranes: the Wraptite® ext

Pamela Howat, Senior Technical Advisor at Proctor Group, explains the similarities and differences between membrane terminology. Construction membranes have a host of applications that directly impact on building performance and the comfort of building users. As a result, a lot of terminology comes with specifying and installing membranes. Over time, the term ‘vapour control layer’ (VCL) has come to be replaced by ‘air and vapour control layer’ (AVCL). This change has been dr