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Location: / Laser Accessory / MISC / Waterproofing Product / Liquid Membrane

Azcothane REO 15L

Azcothane REO 15L

Product Information

Price includes GST and freight to Sydney Metropolitan areas only.

Azcothane Reo is a water-based, flexible, high performance, polyurethane fortified acrylic emulsion waterproofing membrane formulated for use is demanding exposed, under tile, underground and immersed waterproofing applications. Azcothane's Reo formulation complies with AS4858:2004 and is generally applied in accordance with AS3740:2004. It is liquid applied and cures to form a durable, flexible, strong, UV resistant, odourless, seamless, and impervious waterproofing membrane. It does not re-emulsify after it has fully cured making it ideal for long-term waterproofing. It will not stain grout or tiles.

Uses: Azcothane Reo has been specifically designed for exposed, under-tile, underground and immersed waterproofing requirements included the long-term waterproofing of:

  • Exposed concrete and metal roofs
  • Wet areas within buildings (shower recesses, bathrooms & laundries)
  • Ponds & water features
  • Concrete and timber decks
  • Terraces and balconies (under tiles)
  • Concrete slabs
  • Retaining walls
  • Planter boxes
  • Water retaining structures
  • Tiles or topped areas
  • Suitable Surfaces

Azcothane Reo is suitable for properly primed: Concrete, cement, cement render, block work, brick, masonry, FC sheeting and CFC sheeting, plaster board and timber, plywood and particle board (if primed with Primeseal MC) and metal (if primed with a metal primer). Note: We do not regard particle board as a suitable substrate for wet areas and if possible should be replaced or covered with CFC sheeting - particularly in shower recesses. If covered we recommend that the particle board be coated with 2 coats of Primeseal MC and joins and corners sealed with a polyurethane sealant prior to laying the CFC sheeting. Azcothane Reo may be applied to slightly damp surfaces but the product will not fully cure if the surface remains damp. This process takes longer than if the surface was allowed to dry before application. The surface must dry before the membrane can dry. Freedom from surface water, continual dampness is essential. 

Priming of all surfaces is highly recommended.

  • Additional Uses
  • Azcothane Reo has been formulated as a completely versatile waterproofing membrane, available in a range of colours, making it is suitable for:
  • Exposed to direct sunlight on roofs (flat, sloping or metal deck).
  • Under tile applications - wet areas, balconies, terraces etc.
  • Underground applications - retaining walls, planter boxes and garden areas.
  • Immersed applications - ponds and water features.


The information contained in this product data sheet is typical but does not constitute a full specification as conditions and specific requirements may vary from project to project. The instructions should be considered as a minimum requirement but the applicator or contractor must use their skill, knowledge and experience to carry out additional works as may be necessary to meet the requirements of the project. Specification for specific projects should be sought from the Company in writing.

Limitations: Azcothane Reo is not designed as a trafficable membrane although infrequent maintenance foot-traffic would be acceptable.

Benefits and Advantages: Azcothane Reo is a versatile membrane suitable for many demanding waterproofing applications:

Polyurethane fortified
It meets the criteria of AS4858:2004 and is applied in accordance with AS3740:2004.
UV resistant - suitable for direct exposed to sunlight.
Not a hazardous product and not flammable. Water based.
Flexible (tested to class 111 - highest tensibility) & strong.
Formulated for wet area and under tile applications.
Does not re-emulsify after proper curing.
Tough and durable.
Dries fast.
Compatible with most tile adhesives.
Easy to apply.
Virtually odourless.
Will not stain grout or tiles.
Available in range of colours.

Precautions in Use

The product is considered safe to use if used correctly, as intended and proper industrial hygiene and practices are used. Always observe safety precautions. Priming and Surface Preparation. Good preparation is essential. Surfaces must be sound, stable, dry, clean and free of dust, loose, flaking, friable material and substances that may diminish adhesion.

Surfaces should ideally be primed with Primeseal MC applied at no less than 1 litre per 4m2 and allowed to dry. Primeseal MC must be used for roofs and exposed areas, timber and particle board surfaces, bitumen or where there is a risk of entrapped moisture in the substrate which may cause the membrane to bubble.
Priming is adequate if the surface has a solid off-white appearance. Particle board and bitumen surfaces should primed with 2 coats of Primeseal MC.
Alternative primers such as WB Primer, may be used in non-exposed areas and where the moisture content of the surface is very low applied and applied at no less than 1 litre per 4m2. Allow WB Primer to fully dry before top coating.
Excessively porous, friable and dusty surfaces may require an additional priming coat.


The stated average coverage rate may vary depending upon type, condition, porosity, texture of the surface and application technique.

Unreinforced: Minimum 1.5 litres to 1.8 litres per m2, i.e 0.75 litres to 0.9 litres per m2 per coat. A 15 litre pail will cover 10 m2 for 2 coats at 1.0mm dry film thickness.
Reinforced: Minimum: 2.0 litres per m2.
The dry film thickness fo the unreinforced membrane must be at least 1.00mm and preferably 1.2mm.

Primers: Minimum 1 litre per 4m2.

Colours: Azcothane Reo is available in white and grey. Special colours available upon request but minimum orders will apply.

Drying and Curing

Drying and curing of the product is affected by type, dryness and porosity of the surface, temperature, humidity, ventilation, climate conditions and application technique and therefore drying and curing can only be given as a guide.

Azcothane Reo is a fast drying water based product. Expected curing at 25°C at 50% RH: Touch dry: 4 to 6 hours per coat; Set: 12 hours; Full cure: 24 hours per coat. Ensure membrane is fully cured before tiling or topping.

Price includes GST and freight to Sydney Metropolitan areas only.

Storage: Store in cool, dry area. Product is not flammable. Do not allow to freeze. Shelf life - about 12 months. Available in 4, and 15 Lt pails. Clean Up: Wet spills can be cleaned with water, but spills should be avoided as it is difficult to remove entirely from porous surfaces. Tiling, Topping or Top Coating: Azcothane Reo is compatible with most tile adhesives and 3:1 sand:cement beds.

Price: $129.80

Product Code: Azcothane REO 15L Grey
In Stock: yes 
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