Skip to content
Save 10% on all items on The RTC Family of Products - Promo Code April-24
Save 10% on all items on The RTC Family of Products - Promo Code April-24


SKU 12222
by Ardex
Original price $66.00 - Original price $66.00
Original price
$66.00 - $66.00
Current price $66.00

Ensure Strong Adhesion with ARDEX P 51 Concentrated Primer

Elevate your substrate preparation with ARDEX P 51™, a concentrated primer expertly designed for a range of surfaces including concrete, wood, gypsum, and non-water-soluble adhesive residues.


  • Multi-Surface Application: Ideal for absorbent concrete, wood, gypsum, and non-water-soluble adhesive residue on concrete.
  • Concentrated Formula: This can be easily diluted with water, offering flexibility in usage.
  • Effective Sealing: Ensures the substrate is properly sealed for optimal bonding.
  • Enhanced Bonding: Optimizes the adhesion of ARDEX underlayments and toppings.
  • Interior Use: Specifically formulated for indoor applications.
  • Versatile Use: Suitable for both commercial and residential projects.
  • Economic and Efficient: A concentrated formula means a little goes a long way.
  • Easy to Apply: Can be applied quickly and effortlessly.



    Mixing Ratio:
    For standard absorbent concrete: 1 part primer to 1 part water by volume.

    For extremely absorbent concrete (“double-prime method”): 1 part primer to 3 parts water by volume for initial application, then 1:1 for second application.

    Coverage per gallon: 400-600 sq. ft. (37-55 sq. m.)


    Drying Time: Min. 30 minutes; max. 24 hours
    VOC: 0
    Packaging: 1 gallon (3.79 L) plastic bottle; 4 gallon (15.14 L) plastic pail
    Storage: Store in a cool dry area. Do not expose container to sun. Keep from freezing.
    Shelf life: 1 year, if unopened
    Warranty: ARDEX L.P. Standard Limited Warranty applies.

    For complete product technical information, click on the Downloads tab and open the Technical Data download.

    More Details

    ARDEX P 51™ stands as a concentrated, versatile primer, specifically tailored for a range of interior substrates including absorbent concrete, wood, gypsum, and non-water-soluble adhesive residues. This unique formula can be conveniently diluted with water, making it a cost-effective solution for various project sizes. Its ability to effectively seal substrates is crucial for creating a strong, durable bond with ARDEX underlayments and toppings, ensuring longevity and reliability in your installations. Whether in commercial or residential settings, ARDEX P 51 provides an efficient and robust base for any interior project. Its ease of application makes it a favorite among professionals, offering an economic yet high-quality solution for substrate preparation. By choosing ARDEX P 51, you are ensuring a well-prepared base, essential for the success of your flooring installations.

    Questions & Answers

    Have a Question?

    Be the first to ask a question about this.

    Ask a Question