Knauf Insulation’s Supafil Party Wall Insulation is now manufactured with a blue colouration in order to promote compliance with Robust Details and to provide housebuilders with easy on-site identification, the company says. In March 2015 the inspection list and handbook for Robust Detail E-WM-28 was updated to include the new technical design of Supafil Party Wall Insulation.Andrew Hale, product manager …