SigmaRoc PLC's (LON:SRC) Max Vermorken joins Proactive London's Katie Pilbeam to discuss the launch of the UK's first cement-free concrete block. Vermorken firstly talks through the latest trading update, with revenues of approximately £124 mln, representing a 77% increase on the previous year, and EBITDA of approximately £23.8 mln, representing a 64% increase. Vermorken describes this performance as 'excellent'. Discussing the new cement-free concrete block, Vermorken says its addresses a key challenge in the building products industry, the embodied CO2 in one of the most widely used building materials.