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Acryl-Flex PU ECO 



Quicseal 165 is a liquid-applied, water based, single component polyurethane/acrylate hybrid membrane developed for high performance, long lasting waterproofing. 
For commercial and residential internal/external wet areas, balconies, desks and other areas that will be tiled or otherwise protected from regular foot traffic. Not suitable for permanent immersed conditions. For conditions of permanent immersion, it is recommended that QUICSEAL 104 or 166 is used. For further information please contact QUICSEAL. 

  • Waterproofing of Rooftops
  • Waterproofing of Balconies and Terraces
  • Waterproofing of Wet Areas (under-tile) in Bathrooms, Balconies, Kitchens, etc
  • Waterproofing of Flowerbeds and Planter Boxes
  • Waterproofing and protection of concrete constructions like Bridge-decks, tunnels, ect



  • Tough flexible film.
  • Long shelf life.
  • Can be tiled over – good adhesion with QUICSEAL tile adhesives
  • Excellent adhesion to a wide range of substrates
  • Eg: Concrete, render & screed, particle boards & fiber-cement sheets (wet grades only): structural plywood (PAA branded) or marine grade or other wet area grade only.
  • Fast drying.
  • Class III Membrane, as per AS/NZS 4858 Wet Area Membranes.


Surface Preparation 
Careful surface preparation is essential for optimum finish and durability. 
The surface needs to be clean, dry and sound, free of any contamination that may affect the adhesion of the membrane. 
Concrete and renders/screeds must be cured for minimum 28 days and 7 days respectively and wet concrete/screed must be allowed to dry thoroughly or sealed with one coat of QUICSEAL 119 at coverage rate of 3.0m2 per litre and allowed to cure overnight. 


QUICSEAL 165 should be thoroughly mixed to a uniform mix and ensure the coating ia applier evenly at recommended coverrage rates. Apply by brush or roller. A medium nap (8 - 12mm pile) or 50mm long bristle paint brush is recommended. 
Reinforce membranne with QUICSEAL 718 at problem areas like wall-floor connection, piper, etc. 
Recoat time is 1 – 2 hours between first and second coats. Drying time on flat surfaces under standard conditions is 4 hours. However, dry through time slowest in areas where QUICSEAL 165 is applied over neutral cure silicone bond breaker, or is reinforced. Check that these areas are dry before tiling. In some cases, this can vary from 24 hours to 48 hours.  


Technical Data 

Appearance   Blue/Grey 
Density   1.36g/cm3
Tensile Strength    1.2 Mpa 
% Elongation >350%
Shore A Hardness  65-75
Water vapour transmission (ASTME96)  1.2g/24hrs/m2
VOC Content  42g/L


All surfaces must be structurally sound, dry and free from all surface contaminants. Do not use QUICSEAL 165 under the following conditions: 

  • Areas subject to nagetive hydrostatic pressure or rising damp, unless treated with QUICSEAL 119.
  • Wet substrates or green screeds/concrete need to be sealed with one coat QUICSEAL 119 as described earlier.
  • Surface temperatures below 10oC or greater than 35oC.


This will vary with the porosity of the substrates. Two coats are recommended to get optimum performance. 

Location Floor Walls
Dry Firm thickness  1mm 0.5mm
Cover 8.6m2 / ltr (15 ltr pail)  17.2m2 / ltr (15 ltr pail) 

Full cure of the product is 3 days after application at 23oC. Drying times will vary depending on humidity,    surface temperature and porosity of substrates. 


20kg (approximately 15 litres). 


Wash hands, brushes, rollers with water while product is still fresh. For cured material, use mineral turpentine. 


Shelf Life 
12 months when stored in the orginal unopened packaging in a dry place at 23oC. 


Health & Safety 
Wear protective clothing when handling. Any splashes to the skin or eyes should be washed off with clean water. In the event of prolonged irritation, seek medical advice. Refer to MSDS for further information. 


Important Notes
The information set forth herein is furnished in good faith and is based on technical data that QUICSEAL considers to be reliable. This information is intended for used by persons having technical skill and at their own discretion and risk. Information contained in this product sheet conforms to the standard detail recommendations and specifications for the installation of QUICSEAL products as of the date of publication of this document. QUICSEAL makes no other warranties and assumes no liability, expressed or implied, as to the architecture, engineering or workmanship of any project. To ensure that you are using the latest, most complete information, contact QUICSEAL  
Reference No:QS 165/17032021

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  • Model: QUICSEAL 165