Wattyl Master Prep Spirit-Based Stain Blocker is a fast-drying barrier coat with excellent stain-blocking power. It effectively prevents the bleed-through of unwanted stains such as smoke, water, tannin, bitumen, and other surface contaminants that are soluble in both water and oil-based paints. This product is ideal for interior use on previously painted walls and ceilings, ensuring a pristine finish every time.

Never run out of your go-to undercoat when you have a handy supply in the garage. Wattyl Master Prep Spirit-Based Stain Blocker is designed to bind back smoke, water, cooking, and oil stains, making it a versatile choice for various applications. It is compatible with both water-based and oil-based finish coats, providing flexibility and convenience for your painting projects.

Features

• Fast drying
• Blocks stain transfer to the finish coat
• Interior use only