- Chemical setting compound
- High joint strength
- Easy to scrape back
- Quick drying
- Available in a 10kg & 20kg bag
MastaBase is a hard setting plaster based cement for bedding tape into recessed edges and butt joints. It is also suitable for second coating plasterboard joints, internal and external angles and fastener heads.
MastaBase has a consistent working time of 45 minutes with a 60 minute setting time. All Siniat jointing and finishing compounds can be used over MastaBase as a final coat.