F Ball Stopgap P131 Primer is a neoprene emulsion primer designed to promote the adhesion of Stopgap smoothing compounds to smooth non-absorbent surfaces. P131 can be used as a general purpose primer for dusty or absorbent surfaces to promote adhesion.
- Coloured green to give better visual control and uniformity
- 2-4 hours drying time
- Coverage: Diluted 20m² per litre. Undiluted 10m² per litre. 5 litre