Rustins Know125 125ml Knotting - White

- Knotting for sealing knots, resinous and creosoted timber to prevent bleeding through paint film. 
- Sandpaper surface smooth before applying liberally over knots and surrounding area. 
- Do not sandpaper knotting once applied. 
- Resinous and creosoted timber should be sealed completely with 2 coats. 
- Allow 1 hour to dry before priming. 
- Clean brushes with methylated spirits. 
- Knotting should not be used under polyurethane clear varnishes or water based varnishes and water based paints. 
- Based on pure shellac and alcohol.