10 Best Stain Blocking Primer of August 2025

• This powerful stain-blocking water-base formula seals surfaces, helps to achieve a uniform finish, hides stains and previous colors and offers excellent adhesion to most interior and exterior surfaces.
• KILZ Premium offer just the right consistency for a smooth and level finish that seals porous surfaces and fills in small imperfections. It features mildewcide protection to prevent mildew and mold.
• With excellent adhesion for most surfaces, use on interior and exterior drywall, plaster, woodwork, paneling, masonry and brick. Ideal for high-humidity areas including bathrooms and laundry rooms.
• Use for color changes, to seal light to medium stains and to minimize surface imperfections caused by texture and porosity differences. For heavy stains, please consider KILZ Max primer.
• This is a 1-gallon can of KILZ Premium High-Hide Stain Blocking Latex Primer/Sealer in white for interior and exterior surfaces. Covers approximately 300-400 square feet per gallon.
• Use KILZ Premium under or over latex or oil based paint. Use on properly prepared surfaces free of dust, grease, chalk, mold, rust and peeling paint.
• Zero VOCs, low odor and easy clean up with soap and water makes it safe to use in occupied homes and work spaces.
• KILZ has been making premium primers and paints for 40 years. KILZ was named Paint Brand of the Year in 2015 in the Harris Poll EquiTrend Rankings.
• High hide formula / blocks previous colors & medium stains (water, smoke, tannin, ink, pencil, felt-marker and grease)
• Seals surfaces for uniform finish
• Mildew-resistant
• Zero VOC / Low Odor
• Use on: wood, ferrous metals, cast iron, wrought iron, steel cured plaster, wallpaper, masonry, CMU, under or over latex or oil based paint

Kilz

• The product is 13OZ Aero Primer Sealer
• Easy and simple use kit
• The product is manufactured in United States
• Shellac-base primer-sealer
• For interior and spot exterior use
• Greatest stain sealer
• Seals pet, smoke and musty odors
• Sticks to all surfaces without sanding

Rust-Oleum

• A good primer makes paint stick better to surfaces, makes paint color truer, and lets you use less paint. It covers existing stains and odors, and helps block new stains and odors.
• KILZ Original Low VOC oil-based primer blocks most stains including water, smoke, tannin, ink, pencil, felt marker and grease. It also blocks odors. VOC is 344 g/L compared with 443 g/L of KILZ Original.
• Use this versatile primer on interior surfaces including wood, drywall, plaster, paneling, wallpaper, masonry, brick, painted metal and properly prepared glossy surfaces. Not recommended on flooring.
• Use for walls or ceilings with medium to severe stains. For a water-base equivalent, look at KILZ Max. Dries to touch in 30 minutes. Recoat or top-coat after one hour.
• This is a 1-quart (32 Fluid Ounces) can of KILZ Original Low VOC Oil-Based Primer, Sealer, and Stainblocker for interior surfaces in white. Covers approximately 300-400 square feet per gallon.
• Use on properly prepared surfaces free of dust, grease, chalk, mold, rust and peeling paint. Mix well before using. Apply with brush, roller, or spray.
• KILZ Original dries to touch within 30 minutes and dries to recoat in an hour.
• KILZ has been making premium primers and paints for 40 years. KILZ was named Paint Brand of the Year in 2015 in the Harris Poll EquiTrend  Rankings.

Kilz

• A good primer makes paint stick better to surfaces, makes paint color truer, and lets you use less paint. KILZ 2 blocks mild to medium stains, hides previous colors, and has a mildew resistant film.
• KILZ 2 Latex blocks mild to medium staining from water, grease, ink, pencil and felt marker and is ideal to hide previous colors. It seals porous surfaces and offers strong adhesion for new paint.
• Use this versatile primer-sealer-stainblocker on interior/exterior surfaces including brick, painted metal, properly prepared glossy surfaces, drywall, paneling, stucco, masonry, plaster and wood.
• Use for interior/exterior walls or ceilings with mild to medium stains. Top coat with latex or oil-base paints. For tougher interior/exterior jobs, consider KILZ Premium primer.
• This is a 1-quart can of KILZ 2 Latex Water-Based Primer, Sealer, and Stainblocker for interior and exterior surfaces in white. Covers approximately 300-400 square feet per gallon.
• Use on properly prepared surfaces free of dust, grease, chalk, mold, rust and peeling paint. Mix well before using. Apply with brush, roller, or spray.
• KILZ 2 dries to touch within 30 minutes and ready to recoat in an hour.
• KILZ has been making premium primers and paints for 40 years. KILZ was named Paint Brand of the Year in 2015 in the Harris Poll EquiTrend  Rankings.

Kilz

• General Finishes NEW water based white primer
• can be used to protect pigmented finishes from stain, dye and wood tannin bleed-through
• Use over an existing finish, raw wood, or MDF as a base coat for GF Milk Paints, Chalk Style Paints, & Pigmented Polys
• WARNING: DO NOT MIX with any paint, stain or topcoat. Contamination from other finishes will cause product failure. Rinse all brushes/equipment with clean water.
• Do not use General Finishes Brush & Gun Cleaner.

General Finishes

• Zinnser
• 3688
• Stain & Finish
• White

Zinnser

• KILZ Restoration (formerly KILZ MAX) is a water-base primer, sealer and stain blocker developed with new technology that is formulated to perform like an oil-based product.
• It tackles tough stains including medium to heavy water damage, rust, smoke, nicotine, grease, tannin, ink, pencil, felt marker, pet stains and more.
• Topcoat with latex or oil-based paint. Use on properly prepared interior surfaces, such as: brick, ceramic tile, drywall, glass, masonry, painted metal, plaster, stucco and wood.
• Use on properly prepared surfaces free of dust, grease, chalk, mold, rust and peeling paint. Mix well before using. Apply with brush, roller or airless sprayer.
• This is a 1-gallon can of KILZ Restoration Latex Primer, Sealer, and Stain blocker for interior surfaces in white. Covers approximately 300-400 square feet per gallon.
• Performance of oil and shellac / Blocks tough stains (heavy water, grease and typical interior stains) and odors
• Seals strong odors (fire, smoke, pets)
• Dries hard, sands easily - a great enamel undercoat
• Superior adhesion
• Use on: drywall, woodwork, plaster, masonry, brick, painted metal, ceramic tile, glass and most other glossy surfaces

Kilz

• Interior/exterior use on new or previously painted Drywall, concrete, wood, masonry, metal and glossy or difficult surfaces
• Oil-based formula seals uniformly and will Stick to surface without sanding
• Dries to the touch in just 30 minutes and covers up to 12 sq ft
• Has excellent stain blocking resistance and can be used over any oil or Latex topcoat
• Provides a smooth, White finish and; is designed to block imperfections with only one Coat

Rust-Oleum

Kilz

• Cover stain, QT, Oil based stain killer primer/sealer
• Adds extra shine to your product
• Manufactured in United States
• High-hiding formula blocks most stains and helps seal water, smoke and nicotine stains
• Sticks to interior and exterior surfaces and sands easily
• Great for new construction, remodeling or repainting work and priming small projects
• Dries-quickly on interior surfaces and helps provide enamel undercoating performance
• Use on exterior surfaces to help deliver full penetration and flexibility on surfaces

Zinsser