E6475 Primer | 100% Acrylic Latex | Stain Blocking | Concrete Stucco Wood Metal Plywood
Starting at $62.00
- Superior adhesion to virtually any vertical surface
- Blocks water-soluble stains, including tannins, rust and smoke damage
- Penetrates and seals porous surfaces
- Fast-drying
- Excellent water resistance
Overview
- Description
- Additional Information
- Specs
- Coverage Rate
- Application
- FAQ
- Calculator
- More Options
E6475 Primer | 100% Acrylic Stain Blocking
6475 Acrylic Latex Stain-Blocking Primer Sealer is a premium, 100% acrylic primer designed to seal new or previously painted surfaces and create a dependable base for the E68 Cool Life Wall Coating System. Its strong adhesion and stain-blocking properties help prevent water-soluble stains—including tannins, rust, and smoke damage—from migrating through the finish coat.
Suitable for interior and exterior use, 6475 can be applied to properly prepared concrete, masonry, stucco, concrete block, wood, T1-11 plywood, metal, and glossy surfaces. It penetrates and seals porous substrates while providing excellent water resistance and breathability. The fast-drying, low-odor, water-based formula also allows for convenient soap-and-water cleanup.
Recommended Use: Apply as the primer coat beneath E68 Cool Life Wall Coating when the surface requires sealing, improved adhesion, or stain blocking.
Available in Quart, 1 Gallon & 5 Gallon containers.
WHERE IS E6475 Primer?
- Interior-Exterior
- Concrete/Masonry Surfaces
- Stucco/ Cinder Block
- Wood
- Metal
- Glossy Surfaces
- Ideal for stopping the migration of moderate to difficult stains
WHY E6475 Primer ?
- Superior adhesion to virtually any vertical surface
- Blocks water-soluble stains, including tannins, rust and smoke damage
- Penetrates and seals porous surfaces
- Fast-drying
- Excellent water resistance
- Breathable
- Low odor
- Easy water cleanup

COVERAGE RATE
Approximately 150–200 sq. ft. per gallon, depending on surface porosity and application method.
DIRECTIONS
Limitations:
Not recommended for applications over mildew.
Not recommended for below grade.
Not recommended for application to frost covered surfaces
Not recommended for application if rain is expected within 24 hours.
Surface Preparation:
Cleaning and General Preparation: Loose or peeling coatings must be removed by sand or water blasting. All loose or defective concrete or masonry and any surface contaminates such as dirt, oils, mildew, chalk and efflorescence which may adversely affect product adhesion and performance
must be removed.
Mildew: Mildew is a fungus, brown, black, grey or white in color which will rapidly grow through any coating applied over it. A solution of 50% household bleach and 50% water will kill the mildew. Rinse thoroughly. Read precautions on beach label before using.
Efflorescence: Efflorescence must be removed by sandblasting or thorough wire brushing and scraping followed by washing with a 10% solution of muriatic acid. Neutralize and rinse thoroughly.
Metal: Metal must be free of rust. Clean and etch bare metal.
Glossy Surfaces: Remove gloss by sanding or with a chemical deglosser.
Application
Do not apply when temperatures are below 50°F, when temperatures are expected to drop below 40°F within 24 hours, or when fog or rain is anticipated.
Apply by brush, roller, or spray.
Coverage
- Stucco: Apply by roller or spray at approximately 150–200 square feet per gallon.
- Exterior plywood, including T1-11: Approximately 200 square feet per gallon.
Actual coverage may vary depending on surface porosity, condition, texture, and application method.
Exterior Plywood and T1-11 Application
- Seal all panel edges.
- Brush-apply primer to T1-11 in the direction of the wood grain.
- If spraying, apply the primer liberally and back-roll to work the product into the surface.
Drying and Recoat Time
Dries to the touch in approximately 30 minutes and can be sanded after 2 hours. Under normal temperatures, the primer may be recoated after approximately 2 hours.
Stain-blocking applications may require additional curing time before recoating.
Stain Blocking
6475 Primer helps reduce tannin bleed on most wood surfaces and may reduce nail-head rust and certain light water stains. Do not thin the product when stain-blocking performance is required. Some stains may require two coats of primer.
Water-based products contain emulsifiers and coalescents that continue to evaporate after the surface feels dry. Allow additional curing time when using the primer for stain-blocking applications.
Water Stains
6475 Primer contains stain-blocking pigments and can block most water stains with one or two coats. Before priming, remove as much of the stain as possible using paint thinner or a TSP solution, as appropriate for the surface. Allow the surface to dry before applying the primer.
Cleanup
Clean tools and hands thoroughly with warm, soapy water, then rinse with clean water.
Storage
Transport and store the product in its original, unopened, and undamaged container. Protect from freezing.
If the product becomes partially frozen, move it to a heated area and allow it to warm gradually. Do not apply heat directly to the container.
Maintenance
Life’s Acrylic Primer #6475 is not intended for use as an exposed finish coat. Always apply a compatible topcoat and refer to the topcoat’s technical bulletin for maintenance instructions.
Safety, Health, and Environmental Recommendations
Use appropriate personal protective equipment during application. Consult the product label and Safety Data Sheet for complete safety and handling information.
Square Footage Calculator
Estimate the Right Amount for Your Project
Use the calculator to determine your total project square footage. Once you have your measurements, compare the result to the product coverage rate listed on this page to estimate how much material you'll need for complete coverage.
Calculate Coverage
Quickly determine the total square footage of your project area.
Estimate Product Quantity
Use your results to calculate how much product your project requires.
Plan With Confidence
Add a waste percentage to account for surface texture and application conditions.
Coverage estimates are provided as a general guide. Actual product usage may vary based on surface condition, porosity, application method, and project requirements.
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