Construction Primers

Discover our construction primers, specially formulated to improve adhesion and prepare surfaces for coatings, sealants, and waterproofing systems. These primers offer excellent penetration and bonding on a wide range of surfaces, including concrete, metal, and masonry. Buy online today for reliable surface preparation in construction projects.

Sidebar

BY ENVIRONMENT

BY PACKAGING

BY SUBSTRATE

BY APPLICATION

BY HANDLING NOTES

Availability
Brands
Type of Product
Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort
Sort by:
  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • 20L Everflex Multi-Prime water-based acrylic primer by Adheseal, enhances adhesion on porous/non-porous substrates for wat...
    Adheseal
    Everflex Multi-Prime
    Everflex Multi-Prime is a high-performance, water-based acrylic primer engineered for superior adhesion on both porous and non-porous substrates. Designed to prepare surfaces for tile adhesives, waterproofing membranes, self-levelling compounds, and grouts, it delivers fast dry times, low VOC compliance, and reliable long-term performance on concrete, screeds, sheeting, timber, and more.
    From $68.28
    From $68.28
    Quick Add
    Close
    Quick Add
    Close
  • Adheseal Primer 50A silver canister, adhesion promoter wipes non-porous metal, plastic, glass for secure sealant bonds.
      Adheseal
      Adheseal Primer 50A
      Primer 50A is a fast-drying, alcohol-based adhesion promoter formulated to enhance the bond strength of Adheseal Polyurethane, MS, Silicone, and Acrylic sealants and adhesives to difficult non-porous surfaces. It is ideal for materials like powder-coated metals, plastics, glass, and fibreglass. Easy to use with a simple wipe-on application, Primer 50A ensures long-term performance and is suitable for use in signage, automotive, marine, and construction sectors.
      $53.03
      $53.03
    • Adheseal Everflex Supaprime 1L tin, moisture-curing PU primer for secure bond of waterproofing membranes & PU sealants.
      Adheseal
      Everflex Supaprime
      Everflex Supaprime is a fast-drying polyurethane primer for porous & non-porous surfaces. Ensures exceptional adhesion for membranes & sealants.
      From $59.51
      From $59.51
      Quick Add
      Close
      Quick Add
      Close
    • Adheseal Everflex WBP water-based primer pail, low VOC Green Star rated, seals porous surfaces for waterproofing membrane ...
      Adheseal
      Everflex WBP
      Everflex WBP is a single-component, water-based acrylic primer designed for internal use on porous surfaces. It improves the bond of Adheseal membranes and coatings to substrates such as concrete, cement render, and masonry. With low VOC content and Green Star compliance, Everflex WBP is safe for indoor use, easy to apply, and environmentally responsible. Ideal for residential and commercial waterproofing preparation.
      From $45.96
      From $45.96
      Quick Add
      Close
      Quick Add
      Close
    • Adheseal Primer VBS two-part water-based epoxy pails: Part A (blue) & Part B (white) – seals concrete vapour barrier, prev...
        Adheseal
        Everflex VBS
        Stop moisture failures. Primer VBS is a professional 2-part vapour barrier and primer. It creates a reliable seal, ensuring your flooring or coating job lasts.
        $364.85
        $364.85
      • 5L Gripset GP primer pail seals porous substrates for waterproofing membrane adhesion
          Gripset
          Gripset GP
          Gripset GP Primer is a high-performance, water-based primer for sealing porous surfaces before applying Gripset waterproofing membranes. It improves adhesion, reduces porosity, and helps achieve a uniform membrane finish on concrete, masonry, fibre cement, and timber substrates.
          From $77.75
          From $77.75
          Quick Add
          Close
          Quick Add
          Close
        • Duram Azcoseal 15L drum, clear acrylic sealer. Primes porous masonry for waterproofing membranes, creates resilient barrier.
            Duram
            Duram Azcoseal
            Premium clear acrylic sealer and primer that penetrates deeply, binds friable surfaces, resists UV, and provides a satin wet-look finish. Ideal for priming before membranes, sealing masonry, and weatherproofing porous substrates.
            $195.23
            $195.23
          • Mapei Primer G 25L blue jerrycan: water-based primer consolidates gypsum substrates for tile adhesive bond.
            Mapei
            Mapei Primer G
            Synthetic resin primer in water dispersion, low VOC, ideal for gypsum, anhydrite and cementitious surfaces. Consolidates substrates, improves adhesion and prevents moisture-related failures.
            From $55.15
            From $55.15
            Quick Add
            Close
            Quick Add
            Close
          • Gripset Xpress Primer H2O Plus red-lid pail: water-based primer seals damp surfaces, prevents waterproofing membrane blist...Gripset Xpress Primer H2O Plus
              Gripset
              Gripset Xpress Primer H2O Plus
              Gripset Xpress Primer H2O Plus is a rapid-drying, water-based primer formulated to allow waterproofing membranes to be applied to damp or porous surfaces within 30 minutes. Designed for internal and external use, it eliminates delays caused by residual surface moisture, offering excellent penetration and adhesion to concrete, screeds, renders, and masonry. Low VOC and solvent-free, it’s the go-to primer for wet weather projects and time-sensitive applications.
              $312.36
              $312.36
            • Gripset Xpress SP 10L rapid primer pail primes non-porous surfaces for secure waterproofing membrane adhesion.
                Gripset
                Gripset Xpress SP
                Gripset Xpress SP is a rapid-drying, solvent-based primer designed to maximise adhesion of Gripset membranes and adhesives to non-porous and smooth substrates. Engineered for professional waterproofing applications, it delivers a strong bond to surfaces such as metals, PVC, glazed tiles, and natural stone. Fast flash-off times make it ideal for projects requiring quick turnaround without compromising performance.
                $239.00
                $239.00
              • 15L Gripset OP solvent-free primer pail primes non-porous substrates for secure bond with waterproofing membranes, tile ad...Gripset OP
                Gripset
                Gripset OP
                Gripset OP Primer is a solvent-free, low VOC, multipurpose primer engineered to deliver exceptional adhesion of Gripset membranes, tile adhesives, and approved coatings to smooth, non-porous substrates. With a textured finish for improved mechanical key, it bonds reliably to metal, PVC, ceramic tiles, fibre cement sheeting, and more—drying tack-free in just 30 minutes for efficient internal or external application.
                From $142.70
                From $142.70
                Quick Add
                Close
                Quick Add
                Close
              • Two Gripset E60 pails: water-based epoxy primer seals damp/green concrete, moisture vapour barrier for waterproofing membr...Gripset E-60
                Gripset
                Gripset E-60
                Gripset E60 is a two-component, water-based epoxy primer and moisture/vapour barrier for mineral substrates. It can be applied to damp or “green” concrete, resists up to 25 m water head (≈250 kPa), and is AS 4020 compliant for potable water. Pot life ~2 h; recoat ~4 h; overcoat at ~24 h; immersion after 7 days.
                From $94.57
                From $94.57
                Quick Add
                Close
                Quick Add
                Close
              • Sika Primer-3 N silver bottle, solvent-based epoxy adhesion promoter for secure sealant bonds on concrete & metals
                Sika
                Sika Primer-3 N
                Sika Primer-3 N is a professional-grade, solvent-based primer designed to ensure a tenacious, long-lasting bond for Sikaflex, SikaBond, and Sikasil products on porous substrates like concrete and on metals. Easy to apply with a fast flash-off.
                From $58.46
                $0.00
                From $58.46
                Quick Add
                Close
                Quick Add
                Close
              • Two 10L pails RLA Moisture Seal Part A & B: water-based epoxy vapour barrier primer blocks moisture on damp concrete for w...
                  RLA
                  RLA Moisture Seal
                  RLA Moisture Seal is a high-performance, two-part water-based epoxy moisture and vapour barrier system. Engineered for professional waterproofing, it withstands up to 25 metres (250 kPa) of hydrostatic pressure, bonds to damp or “green” concrete, and is fully compatible with RLA membranes, coatings, adhesives, and levelling compounds. Complies with AS 4020 for potable water use, making it ideal for both structural and water storage applications.
                  $386.10
                  $386.10
                • Gripset 11Y 15L SBR latex pail boosts adhesion, strength & waterproofing in cement screeds, renders for wet areas.
                  Gripset
                  Gripset 11Y
                  Gripset 11Y is a concentrated SBR latex polymer admixture that upgrades cement-based mixes for high-bond, durable, water-resistant performance. Ideal for screeds, renders, patch mortars and primer slurries in exposed, immersed and subterranean conditions. Improves flexural strength, reduces permeability and shrinkage, and accelerates early strength—delivering reliable results on demanding jobs.
                  From $88.55
                  From $88.55
                  Quick Add
                  Close
                  Quick Add
                  Close
                • GripSet B26 15L Asphalt Crack Filler bucket - solvent-free, fast-drying, flexible, water resistant for driveways & constru...
                    Gripset
                    Gripset B26
                    Cold-applied, solvent-free crack sealer for asphalt/bitumen. Fast drying with traffic return in ~15 minutes, excellent adhesion and crack-bridging, water/chemical resistant. Suits commercial, industrial and civil works where rapid, durable sealing is required.
                    $150.32
                    $150.32
                  • GripSet B09 15L Asphalt Resurfacer & Rejuvenator bucket for oxidized surfaces, extends pavement life.
                      Gripset
                      Gripset B09
                      Gripset B09 is a cold-applied, polymer-modified bitumen coating designed to rejuvenate oxidised asphalt and improve surface durability. Fast-drying, solvent-free, and resistant to water and salts, it’s ideal for driveways, car parks, and maintenance projects.
                      $153.33
                      $153.33
                    Recently Viewed Products