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Self-Adhesive Products


Fabric-backed waterproofing membrane

Uniflash is a flexible, self-adhesive, elastomeric membrane. This product is ideally suited for quick and effective waterproofing of concrete and timber decks with good UV protection. This product is locally manufactured to suit our unique climate. Can also be used for the protection of steel against corrosion. The membrane consists of an inert polyester fabric laminated to a pressure sensitive, reinforced, modified bitumen adhesive.

sa flag Manufactured in SA for SA conditions Download Data Sheet
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Fields of Application

A general waterproofing membrane for exposed applications
including flashings for parapets. The Uniflash range has been designed and developed for waterproofing in situations such as:

  • Counter flashing
  • Ridge capping
  • Pipe dressings
  • Gutter sealing
  • Flat roof repairs
  • Valley linings
  • Roof sheet laps
  • Covering drive screws
  • Counter flashing for torch applied membranes


  • Fast and easy application
  • No heating or drying
  • Conformable
  • Compatible with common water based coatings

Surface Preparation

As with all surface coatings, thorough preparation is of paramount
importance to the success and long-life of the system. Ensure that
the surface to be treated is dry and sound, free of loose, dusting or
flaking particles and free from contaminants such as grease and


Uniflash is pressure bonded to prepared surfaces, which have
been pre-primed with Primer D. After the Uniflash waterproofing membrane has been applied a final topcoat application of Geoflex Liquid Plastic is to be applied by brush or roller. Alternatively, acrylic exterior quality paint can be applied in a colour of your choice.

(Further information available on the data sheet)


Technical Data

Adhesion – to primed steel ASTM D1000 2,5 N/mm
Adhesion – to self ASTM D1000 2,5 N/mm
Resistance to Acids,
Alkalis & Salts
Temperature range – application   10°C to 35°C
Temperature range – service   5°C to 70°C
Thickness – backing ASTM D1000 300 μm
Thickness – adhesive ASTM D1000 1200 μm
Thickness – total ASTM D1000 1500 μm
Weight   1,5 kg/m²
Recommended Primer   Primer D

Specifications are subject to change without notification. Results shown are typical but reflect test procedures used. Actual field performance will depend on installation methods and site conditions.

Standard Size

Tape Width Roll Length
100 mm 15 m
150 mm 15 m
200 mm 15 m
225 mm 15 m
250 mm 15 m
300 mm 15 m
450 mm 15 m
600 mm 15 m

Download Data Sheet

Western Cape Gauteng KwaZulu-Natal Eastern Cape Mpumalanga
Cape Town 021 448 7880 Sandton 011 608 0317 Durban 031 569 1843 Port Elizabeth 021 448 7880 Nelspruit 013 752 4409
Somerset West 021 854 4760     East London 021 448 7880  
George 044 874 3905          
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