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March 2026 Sale: 10% OFF Tile Leveling System — Use code March-26 — Ends 3/31
March 2026 Sale: 10% OFF Tile Leveling System — Use code March-26 — Ends 3/31

ARDEX P 4™ Pre-Mixed, Rapid-Drying, Multipurpose Primer

SKU 32548
by Ardex
Original price $52.28 - Original price $52.28
Original price
$52.28
$52.28 - $52.28
Current price $52.28

ARDEX P4 Pre-Mixed Primer – 1 Gallon

Get surfaces jobsite-ready fast with ARDEX P4 Pre-Mixed Primer (1 Gallon). This rapid-drying, ready-to-use primer creates a textured bonding profile to support strong adhesion—especially when prepping for tile and stone installs in wet areas and demanding remodel conditions.

Features & Benefits 

  • 1-Gallon Pail – 3.79 L of pre-mixed primer for efficient surface prep

  • Ready to Use – no mixing required (stir if needed)

  • Rapid Drying – dries in 30 minutes or less (conditions dependent)

  • Splash & Drip-Free – cleaner application on walls and floors

  • Textured White Primer Film – improves mechanical bond for tile, stone, and underlayments

  • Great for Remodels – supports prep for tile-over-tile and wet-area work

Coverage

  • Up to 300 sq. ft. per 1 gallon
    Coverage varies by substrate texture and porosity.

Compatibility

Best for prepping common substrates prior to tile/stone installation, including tile-over-tile applications and wet areas (follow ARDEX technical guidance for your substrate).
Confirm needed: your exact substrate list + any exclusions you want stated on the page.

Specs

  • Drying Time: Minimum 30 minutes

  • VOC: < 7 g/L (calculated SCAQMD)

  • Packaging (This listing): 1-gallon (3.79 L) pail

  • Storage: Cool, dry area; keep from freezing; avoid direct sun

  • Shelf Life: 1 year (unopened)

  • Warranty: ARDEX L.P. Standard Limited Warranty applies

    More Details

    ARDEX P4 Pre-Mixed Primer is designed to simplify and expedite the surface preparation process for professional tile and stone installers. This ready-to-use primer stands out for its rapid drying formula, which sets in 30 minutes or less, enabling a swift transition to the installation phase. Its unique splash and drip-free consistency ensures a clean application, making it a preferred choice for both indoor and outdoor projects, including kitchens, bathrooms, and exterior porches. The primer's white texture not only provides a strong bonding layer but also optimizes adhesion for a wide range of substrates, including challenging tile over tile applications and areas exposed to moisture. With ARDEX P4, professionals can confidently prepare surfaces, knowing that they have laid the groundwork for durable and reliable tile and stone installations. Its versatility and efficiency make it an invaluable addition to any project, ensuring optimal preparation and a flawless final result.

    Manufacturer

    ARDEX Americas is a leading provider of innovative building systems. We develop, manufacture, and distribute high-performance specialty building products, including flooring solutions, concrete repair, self-leveling underlayment, moisture control systems, tile adhesives, grouting systems, screeds, surface preparation, waterproofing solutions, and decorative concrete. As a family-owned company, ARDEX prioritizes local customer interaction, ensuring jobs are done right the first time to specification and on schedule while minimizing risk and costly callbacks. Our commitment to excellence is backed by industry-unique warranty systems covering products and labor costs.