Azcoseal Clear Acrylic Sealer and Primer

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Azcoseal is a premium clear acrylic sealer and primer formulated in a solvent solution. It provides a versatile solution for deep penetration and forms a clean, tough, and resilient coating with a satin (semi-gloss) finish. Azcoseal effectively seals against water penetration, wind-driven rain, and salt spray, offering long-lasting protection.


  • Sealing and weatherproofing porous substrates such as face brick against rain and salt spray.
  • Providing a penetrative primer for water-based and polyurethane waterproofing membranes, high build paints, and architectural finishes on porous substrates or over existing painted surfaces.
  • Encapsulating and sealing friable substrates such as asbestos sheeting.
  • Reactivating existing acrylic coatings prior to recoating.

Suitable Surfaces

Azcoseal is suitable for a wide range of surfaces, including concrete, cement render, block & brickwork, FC and CFC sheeting, Blue Board, AAC, Hebel, composite sheeting, plywood, cement pavers, sandstone, concrete stencil, masonry surfaces, new & old acrylic coatings and membranes, and vitreous, ceramic & Terra Cotta surfaces. Duram provides recommended priming methods for these surfaces.

Additional Uses

Azcoseal can also be used as a concrete sealer, dust sealer, and a suitable primer for other Duram products, including the Multithane range, Duram 195, Durabit Range, and Azcothane Range.

Benefits and Advantages

  • Quick drying - usually within 1 hour, with an extended top coating window.
  • Single component, easy to apply formula.
  • Designed to fill pores, bed down dust, and provide excellent film forming properties.
  • Very economical and cost-effective process.
  • Dries tough and hard.
  • Low dirt pick up.
  • Provides a waterproof barrier against water ingress.
  • Minimizes surface fragmentation with excellent binding properties.
  • UV resistant, suitable for exposed areas.
  • Dries clear with an attractive satin finish.
  • Enhances the water proofing properties of the overall system when used as a primer.
  • Incorporates cross-linking technology for strong system bond to the substrate.
  • Improves the overall performance and functionality of the waterproofing membrane.
  • Has good strength, elasticity, and penetrative qualities.
  • Improves coverage and ease of application of the applied membrane.
  • Suitable for use on most porous substrates.
  • Low viscosity for deep penetration into porous substrates.
  • Quick re-coat or topcoat times.


The average coverage rate may vary depending on the type, condition, porosity, texture of the surface, and application technique. In general, expect coverage of 4m² per liter per coat.

Drying and Curing

Drying and curing times are influenced by surface type, dryness, porosity, temperature, humidity, ventilation, climate conditions, and application technique. As a guide, at 25ºC and 50% RH, the touch dry time is 1 to 2 hours, dry time is 2 to 6 hours, and full cure is within 24 hours. The service temperature range is 10ºC to 50ºC, and the application temperature range is 5ºC to 30ºC.


Azcoseal should be stored in a cool, dry place away from sources of ignition, as the product is flammable. Class 3 dangerous goods regulations must be followed

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Azcoseal Clear Acrylic Sealer and Primer

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