400ml Bondit StainBlock is a xylene and lead-free, high performance, fast drying, pigmented solvent based permanent stain blocking coating. For use prior to redecoration on spot marking, water/grease marks and stubborn stains. Suitable for interior use on most building surfaces including brick, plaster, paint and wood. When correctly applied it produces a fast drying, stain block coating ready for redecoration. Touch dry after 15 minutes. Ready for redecorating in approx 2 hours.