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Interior/Exterior Primer, Sealer, and Stain Blocker, Multi-Surface, White, All Purpose, 5 Gal. 1

Interior/Exterior Primer, Sealer, and Stain Blocker, Multi-Surface, White, All Purpose, 5 Gal.

$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00
In stock

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About This Product Fresh Appearance, Same Reliable Formula, is a quick-drying, water-based, multi-surface primer, sealer, and stain blocker with su...

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Primer, Rust Preventive, Red Flat, 1 gal. 1

Primer, Rust Preventive, Red Flat, 1 gal.

$65.98 - $65.98
$65.98
$65.98 - $65.98
$65.98
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About This Product High Performance Enamels offer excellent coverage, concealment, and corrosion resistance. Suitable for metal, wood, concrete, an...

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Interior/Exterior Primer & Sealer, Multi-Purpose, Water-Based, PrimeCoat2, White, 5 gal. 1

Interior/Exterior Primer & Sealer, Multi-Purpose, Water-Based, PrimeCoat2, White, 5 gal.

$132.00 - $132.00
$132.00
$132.00 - $132.00
$132.00
In stock

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About This Product 5 gal. Water-Based White Interior/Exterior Primer is a versatile, water-based primer and sealer that can be applied via spray, b...

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Interior/Exterior Primer and Sealer, Water-Based, White, Bulls Eye 1-2-3, 2 Gal. 1

Interior/Exterior Primer and Sealer, Water-Based, White, Bulls Eye 1-2-3, 2 Gal.

$46.98 - $46.98
$46.98
$46.98 - $46.98
$46.98
In stock

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About This Product Zinsser Bulls Eye 1-2-3 2 gal. Water-Based White Primer and Sealer offers superb adhesion to glossy surfaces without the need fo...

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Interior Primer, Water Based, Zinsser, White, 1 Gallon. 1

Interior Primer, Water Based, Zinsser, White, 1 Gallon.

$18.98 - $18.98
$18.98
$18.98 - $18.98
$18.98
In stock

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About This Product Drywall primer is crafted for sealing fresh drywall surfaces. The quick-drying formula preps surfaces for painting in just 1 hou...

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Interior/Exterior Primer Sealer, Acrylic, SEAL GRIP Gripper, White, 5 gal. 1

Interior/Exterior Primer Sealer, Acrylic, SEAL GRIP Gripper, White, 5 gal.

$147.00 - $147.00
$147.00
$147.00 - $147.00
$147.00
In stock

Delivery

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About This Product Our top-quality interior/exterior 100% acrylic primer is designed to meet the performance needs of both residential and commerci...

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Interior/Exterior Primer Sealer, Acrylic, SEAL GRIP Gripper, White, 1 qt. 1

Interior/Exterior Primer Sealer, Acrylic, SEAL GRIP Gripper, White, 1 qt.

$14.98 - $14.98
$14.98
$14.98 - $14.98
$14.98
In stock

Delivery

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About This Product Our top-quality interior/exterior 100% acrylic primer is designed to satisfy the performance needs of both residential and comme...

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Interior/Exterior Primer Sealer, Acrylic, SEAL GRIP Gripper, White, 1 gal. 1

Interior/Exterior Primer Sealer, Acrylic, SEAL GRIP Gripper, White, 1 gal.

$31.98 - $31.98
$31.98
$31.98 - $31.98
$31.98
In stock

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About This Product Our top-quality 100% acrylic primer for both interior and exterior use is designed to meet the needs of residential and commerci...

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Interior Primer, Drywall Repair and Sealer, Rx-35 PRO-999, 1 gal. 1

Interior Primer, Drywall Repair and Sealer, Rx-35 PRO-999, 1 gal.

$29.98 - $29.98
$29.98
$29.98 - $29.98
$29.98
In stock

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About This Product ROMAN's PRO-999 Rx-35 serves as the perfect primer for damaged drywall, joint compound, leftover wallpaper adhesive, spackling, ...

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Interior/Exterior Primer, Rusty Metal, Oil Based, Rust-Oleum, Flat, 1 qt. 1

Interior/Exterior Primer, Rusty Metal, Oil Based, Rust-Oleum, Flat, 1 qt.

$16.48 - $16.48
$16.48
$16.48 - $16.48
$16.48
In stock

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About This Product The 32 oz. Rusty Metal Primer helps halt rust and prevent corrosion when used on heavily rusted metal. This primer has a distinc...

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Interior Primer, Drywall, PVA, White, 5 Gal. 1

Interior Primer, Drywall, PVA, White, 5 Gal.

$68.00 - $68.00
$68.00
$68.00 - $68.00
$68.00
In stock

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About This Product 5 Gal. PVA Primer effectively seals porous surfaces and dries rapidly, featuring a flat finish that minimizes reflections. It ca...

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Interior/Exterior Primer, Heavy-Duty High Hide Sealer, and Stain Blocker, Premium, White, 5 Gal. 1

Interior/Exterior Primer, Heavy-Duty High Hide Sealer, and Stain Blocker, Premium, White, 5 Gal.

$157.00 - $157.00
$157.00
$157.00 - $157.00
$157.00
In stock

Delivery

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About This Product New Appearance, Same Reliable Formula, 5 Gal. Primer is a high-quality, interior/exterior, quick-drying, low odor, water-based p...

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Interior/Exterior Primer, Heavy-Duty High Hide Sealer, and Stain Blocker, Premium, White, 1 Qt. 1

Interior/Exterior Primer, Heavy-Duty High Hide Sealer, and Stain Blocker, Premium, White, 1 Qt.

$15.98 - $15.98
$15.98
$15.98 - $15.98
$15.98
In stock

Delivery

Today within 4 hours or scheduled 2-hour window

About This Product Fresh Appearance, Same Reliable Formula, 1 Qt. Primer is a high-quality, fast-drying, low-odor, water-based primer-sealer-stain ...

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Interior/Exterior Primer, Heavy-Duty High Hide Sealer, and Stain Blocker, Premium, White, 1 Gal. 1

Interior/Exterior Primer, Heavy-Duty High Hide Sealer, and Stain Blocker, Premium, White, 1 Gal.

$33.98 - $33.98
$33.98
$33.98 - $33.98
$33.98
In stock

Delivery

Today within 4 hours or scheduled 2-hour window

About This Product 1 Gal. Primer is a high-quality, interior/exterior, quick-drying, low-odor, water-based primer-sealer-stain blocker. Designed to...

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Interior/Exterior Primer, Triple Thick High Build Binding, Peel Stop, White, 1 gal. 1

Interior/Exterior Primer, Triple Thick High Build Binding, Peel Stop, White, 1 gal.

$50.14 - $50.14
$50.14
$50.14 - $50.14
$50.14
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About This Product Zinsser Peel Stop 1-gal. Triple Thick White Binding Primer (2-Pack) prevents previous coatings from peeling and results in a smo...

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Interior and Exterior Primer, Sealer, and Stain Blocker Aerosol, Original, Oil-Based, White, 13 oz. 1

Interior and Exterior Primer, Sealer, and Stain Blocker Aerosol, Original, Oil-Based, White, 13 oz.

$10.98 - $10.98
$10.98
$10.98 - $10.98
$10.98
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About This Product Original 13 oz. Interior/Exterior Primer is an oil-based primer, sealer, and stain blocker that is perfect for heavy stain preve...

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Interior and Exterior Primer, Sealer, and Stain Blocker, Original, Oil-Based, White, 1 qt. 1

Interior and Exterior Primer, Sealer, and Stain Blocker, Original, Oil-Based, White, 1 qt.

$19.98 - $19.98
$19.98
$19.98 - $19.98
$19.98
In stock

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About This Product Original 1 qt. Interior/Exterior Primer is an oil-based primer, sealer, and stain blocker that is perfect for effectively blocki...

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Interior and Exterior Primer, Sealer and Stain-Blocker, Water Based, Mold and Mildew, White, 1 qt. 1

Interior and Exterior Primer, Sealer and Stain-Blocker, Water Based, Mold and Mildew, White, 1 qt.

$16.98 - $16.98
$16.98
$16.98 - $16.98
$16.98
In stock

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About This Product MOLD & MILDEW Primer is a water-based primer-sealer-stainblocker crafted specifically for residential areas with high humidi...

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Interior and Exterior Primer, Sealer and Stain-Blocker, Water Based, Mold and Mildew, White, 1 Gal. 1

Interior and Exterior Primer, Sealer and Stain-Blocker, Water Based, Mold and Mildew, White, 1 Gal.

$38.98 - $38.98
$38.98
$38.98 - $38.98
$38.98
In stock

Delivery

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About This Product 1 gal. Interior/Exterior Primer is an oil-based primer, sealer, and stain blocker perfect for heavy stain blocking. Key Features...

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Interior/Exterior Primer, Commercial, Hi-Fill Blockfiller, White, 5 gal. 1

Interior/Exterior Primer, Commercial, Hi-Fill Blockfiller, White, 5 gal.

$59.98 - $59.98
$59.98
$59.98 - $59.98
$59.98
In stock

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About This Product PPG Paints SpeedHide Interior and Exterior Block Filler is designed to fulfill the performance needs of professional painters an...

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Interior/Exterior Primer and Sealer, Classic Oil-Based, Low VOC, Cover Stain, White, 5 gal. 1

Interior/Exterior Primer and Sealer, Classic Oil-Based, Low VOC, Cover Stain, White, 5 gal.

$283.00 - $283.00
$283.00
$283.00 - $283.00
$283.00
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About This Product 5 gal. 100 VOC Cover Stain Oil-Base Interior/Exterior Classic adheres to any surface without the need for sanding. With remarkab...

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Interior/Exterior Primer and Sealer, Oil-Based, Cover Stain, White, 1 qt. 1

Interior/Exterior Primer and Sealer, Oil-Based, Cover Stain, White, 1 qt.

$17.98 - $17.98
$17.98
$17.98 - $17.98
$17.98
In stock

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About This Product Zinsser Cover Stain 1 qt. Oil-Based White Interior/Exterior Primer and Sealer adheres to any surface without the need for sandin...

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Interior/Exterior Primer and Sealer, Classic Oil-Based, Low VOC, Cover Stain, White, 1 gal. 1

Interior/Exterior Primer and Sealer, Classic Oil-Based, Low VOC, Cover Stain, White, 1 gal.

$57.98 - $57.98
$57.98
$57.98 - $57.98
$57.98
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About This Product 1 gal. 100 VOC Cover Stain Oil-Base Interior/Exterior Classic adheres to any surface without the need for sanding. With outstand...

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Interior/Exterior Primer and Sealer, Water-Based, White, Bulls Eye 1-2-3, 5 Gal. 1

Interior/Exterior Primer and Sealer, Water-Based, White, Bulls Eye 1-2-3, 5 Gal.

$135.00 - $135.00
$135.00
$135.00 - $135.00
$135.00
In stock

Delivery

Today within 4 hours or scheduled 2-hour window

About This Product Zinsser Bulls Eye 1-2-3 5 gal. Water Based White Primer and Sealer offers superb adhesion to glossy surfaces without the need fo...

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Primers: What You Need to Know

Primers, also referred to as undercoats or preparatory coatings, are essential for promoting adhesion between surfaces and topcoats, preventing peeling, and improving finish quality. They’re available in a range of bases and formulations to match interior, exterior, and specialty surface requirements.

Base:

  • Acrylic: Water-based primers made with acrylic resins for excellent adhesion and durability. Fast-drying and suitable for drywall, wood, and masonry.
  • Latex: Flexible and easy to clean, latex primers are ideal for residential applications. Low-VOC content makes them environmentally friendly and user-safe.
  • Oil: Known for strong adhesion and superior stain blocking, oil-based primers are best for wood and surfaces with tough stains. Longer drying time is offset by long-term durability.
  • PVA: Polyvinyl acetate primers designed specifically for new drywall. They reduce surface absorption and promote consistent paint application.
  • Shellac: Offers exceptional stain-blocking for water, smoke, and tannin bleed. Suitable for sealing knots and spot-priming problem areas.
  • Water: Eco-friendly water-based primers that clean up easily and dry quickly. Compatible with most topcoats and ideal for indoor use.

Features:

  • Primer: Standard basecoat that enhances paint adhesion and creates a uniform finish. Suitable for most residential and commercial painting projects.
  • Primer & Sealer: Dual-action formula that seals porous surfaces and primes in one step. Reduces the need for multiple coats and improves final paint appearance.
  • Primer & Sealer Spray: Combines sealing and priming capabilities in an easy-to-use spray format. Perfect for touch-ups or hard-to-reach areas.
  • Spray Primer: Delivers smooth, even coverage in aerosol form for small jobs or tight spaces. Great for furniture, décor, or patch repairs.
  • Spray Primer & Sealer: A high-performance aerosol product that seals and primes simultaneously. Designed for convenience without compromising on quality.

Applications:

  • Concrete: Designed for porous surfaces, these primers penetrate and seal concrete to ensure strong paint adhesion and prevent chipping. They provide a smooth base layer ideal for masonry and cementitious substrates.
  • Drywall: Formulated to seal new drywall, these primers prevent blotchiness and enhance topcoat uniformity. They also reduce paint absorption for improved coverage and finish.
  • Interior: Tailored for indoor use, interior primers offer low odor and quick drying properties. Suitable for walls, ceilings, and other common indoor surfaces.
  • Metal: These primers protect against rust and corrosion while offering solid bonding for topcoats. Ideal for galvanized, bare, or previously painted metal surfaces.
  • Multi-purpose: Engineered for versatility, multi-purpose primers can be used across various surfaces including wood, drywall, and masonry. They’re a convenient choice for both repair work and new installations.
  • Rusty Metal: Specially designed for corroded surfaces, these primers neutralize rust and prepare metal for painting. They deliver added protection in high-moisture or industrial settings.

At Supply Ontime, we offer reliable materials designed to meet your project’s needs. With same-day delivery across the Greater Los Angeles area, we make it easy to keep your projects on schedule. Order Primers now and get them delivered today!