Zinsser Odourless Oil-Base Stain Blocker Zinsser Odourless Oil-Base Stain Blocker is low-VOC primer and specifically designed to seal tough stains in indoor areas where people are present.
• Seals stains from water, fire and smoke damage • Oil-base performance when odour is a concern • Non-yellowing, dries flat, sands easily • Use with all topcoats • VOC compliant sprayable formula