Roughcast System. Livingston August 11, 2022 EdinHome The rear of the house has been scrimmed and roughcasted to match the chimney.ROUGHCAST SYSTEM as following:-hammer test-hack-off / dubb-out-fungicidal wash-bonding agent-beads and trims (1st fix)-base coat adhesive render-reinforcement, fibreglass mesh-stress patches and additional reinforcement mesh to openings and corners-2nd pass of base coat adhesive render (scratch)-beads and trims (2nd fix)-dash receiver render-dry dash chipping / aggregates-mastic sealant all around the system