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.

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.

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  • Everflex Multi-Prime
    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
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  • Adheseal Primer 50A
      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 Primer 2001
      Adheseal
      Adheseal Primer 2001
      Primer 2001 is a high-performance, moisture-curing polyurethane primer formulated for porous surfaces like concrete, masonry, timber, and cement sheet. Designed to enhance the bond of Adheseal’s polyurethane and Hi-Flex MS sealants, it offers fast drying times, long-term durability, and excellent resistance to mould in hot and humid conditions. Primer 2001 is easy to apply by brush, roller, or spray and is suitable for both internal and external applications.
      From $34.40
      From $34.40
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    • Everflex Supaprime
      Adheseal
      Everflex Supaprime
      Everflex Supaprime is a professional-grade, moisture-curing polyurethane primer engineered for porous and non-porous substrates. Designed to enhance adhesion of Adheseal membranes, sealants, and adhesives, it features rapid drying, deep penetration, and low viscosity for superior substrate bonding. Ideal for both internal and external applications, it delivers long-term durability across concrete, masonry, timber, and cement sheeting.
      From $59.51
      From $59.51
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    • Everflex WBP
      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
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    • Everflex VBS
        Adheseal
        Everflex VBS
        Everflex VBS is a high-performance 2-part water-based epoxy system that functions as both a vapour barrier and primer. Formulated for internal and external use, it is ideal for damp substrates, green concrete, and as a negative waterproofing solution (up to 250kPa). With low VOC content, fast drying time, and excellent adhesion to concrete, screeds, masonry, and timber, Everflex VBS is suitable for a wide range of applications including waterproofing membranes, self-levelling systems, and flooring. It resists re-emulsification, inhibits mould, and meets Green Star environmental criteria.
        $364.85
        $364.85
      • Gripset GP
          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
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        • Duram Azcoseal
            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
            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
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          • Gripset Xpress Primer H2O PlusGripset 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
                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
              • Gripset OPGripset 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
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              • Gripset E-60Gripset 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
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              • Sika® Primer-3 N
                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
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              • RLA Moisture Seal
                  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.
                  $364.50
                  $364.50
                • Gripset 11Y
                  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
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