Special Finishes

Architectural and Decorative Coating Specialists

Colourtrend Acrylic PaintsColourtrend Acrylic Paints


Print this page Save this page as a PDF Product enquiry

Water-Proofing Rubber Membrane if water leaks you need this Surface Solution for all your Problems


Ultraflex is a two pack flexible urethane designed as a total waterproof system for exterior or interior use, supplied in all colours, this unique coating incorporates the very latest in surface technology.

Ultraflex provides an extremely hard wearing resilient flexible surface, that cures fast with early water blanch resistance.  It can be used for waterproofing on all types of substrates and flooring surfaces, on concrete / fibre cement floor sheeting / plywood / in roof situation or decks, roof top parking, walkways and in any situation where a waterproofing membrane system is required.  Use for homes, factories, commercial buildings, and step coatings.

  • Ultraflex is the only waterproofing rubber membrane system you need
  • Completely seamless finish keeps out dirt.


Ultraflex Colourcoat systems provide a very hard durable coloured topcoat finish with high Ultraviolet resistance properties, it contains two types of sophisticated UV protective additives, this provides exceptional exterior durability, it is also resistance to a wide range of chemicals.  Colourcoat is particularly suited to overcoat Ultraflexx on exterior projects, decks, floors, roofs, etc, or any place were long term exterior UV protection is required, additionally an antiski additive for use on decks or walkways can be incorporated to the first coat, then when dry a second Colourcoat should be applied to facilitate cleaning.  Colourcoat is supplied in all British Standard colours to suit your project.

Substrate Temperatures:

Do not apply below 10°C.  At this temperature cure rate will be considerably reduced.

Not Recommended:

Application to damp surfaces.  Total Immersion, alkalies or solvents.

Handling Precautions:

Caution - solvent and resin fumes can be harmful and can contaminate foodstuffs.  Use protective clothing, gloves and overalls.  Provide and use OSH approved suitable respirator when spraying.


Contains Isocyanates.  When sprayed this product may be harmful by inhalation.  Do not breath vapour or spray.  Avoid contact with skin or eyes.  wear protective clothing, gloves, eye and face protector including suitable breathing protection such as an air supplied respirator or hood.  Refer to OSH procedures for using Isocyanate product.

Flash Point:

Ultraflex - (not applicable)

Ultraflex Colourcoat - 24°C contents flammable gives off vapour.  Keep well away from heat, sparks and flame.

N.Z. Dangerous Goods:

Ultraflex A & B (Not Applicable)

Ultraflex Colourcoat - Class 3B

Mixing Ratio:

By volume:

Mix Small Quantities: 4 Litres Part A Resin Larger Quantities Mix 20 litres part A
To 1 litre Part B Hardener With 4 Litres part B

Important to keep correct accurate mxiing ratio by volume to ensure proper curing and hardness.

Minimum Application Temperature:


Pot Life:

25°C 50% relative humidity - 2 hours

Dry Time:

25°C, 50% relative humidity, Surface dry - 1 hour, Hard dry 2 hours, Re-coat - 3 hours.

Coverage Rate:

Ultraflex std - Decks / Floors - 1 litre / m² (2-3 m²/ litres / per coat @ 330 microns), 3 coats minimum.

Ultraflex Colourcoat - Decks / Floors - 3 litres / m² (6m² per / litre per coat @ 166 microns), 2 coats minimum.


For correct material quantities, Ultraflex std allow 1 litre per / m².  Ultraflex Colourcoat allow 3 litres per m²


Thin 10% -20% for spray application only using Ultraflex solvent.

Clean Up:

Ultraflex Solvent or SF Brush wash (Do not use Mineral turpentine).


Ultraflex std, 4 litre containers Part "A", 1 litre container Part "B"  Ultraflex Colourcoat - 4 litre container Part "A", 1 litre container Part "B"


Warranty / Liability

Special Finishes (NZ) Ltd provides all the enclosed information in good faith but without warrantee and is to assist your application. However the use of this product being used is beyond their control. The manufacturers can accept no responsibility whatsoever for any damage or failure arising from its application or use. It is totally the responsibility of the user to insure that the product is suitable for its intended use.