Fassa Bortolo base coats recommended for use on medium density blockwork. The application of a base coat before the application of a Fassa Bortolo scraped texture render on this specific substrate is not required although some applicators find applying a base coat does improve workability of the system due to working with thinner layers.
Fassa SP22 is a high-performance cement-based rendering mortar designed for use as a bonding undercoat on brickwork and concrete substrates. Suitable for both internal and external applications, it provides a reliable base for subsequent plaster or render finishes.