Surface Preparation

Surface areas should be dry, clean and sound.

  • abe® unigum 3mm
  • abe® unigum 4mm

Apply a single layer of abe® unigum 3mm, a dual reinforced waterproofing membrane to the boarded deck by means of mechanically fixing down using screws with 40mm washers. Side and end laps of 100mm and 150mm respectively sealed by means of “torch on fusion”.

Then apply a single layer of abe® unigum 4mm, a dual reinforced waterproofing membrane, ensuring it is fully bonded to the first membrane by means of “torch on fusion”, having side and end laps of 100mm and 150mm respectively.

The rolls are to run parallel to each other, centrally staggered to prevent joints overlapping.


Use super laycryl or super laykold flashing system with abe® membrane in conjunction with the plain finish.


Apply one coat of silvakote bituminous aluminium protective coating.


A 10 year guarantee is effective on condition that work shall only be installed by contractors accredited by a.b.e.® Construction Chemicals Limited.

Care must always be taken when working with open flames, potential fire hazard, and molten bitumen from the process, employ safety equipment and clothing where necessary.

Special care must be given to all expansion/construction joints refer to your a.b.e.® Technical Representative concerned for specific details.

All the products are to be applied in accordance with the manufactures instructions.

Data sheets are to be read carefully for additional information.

Important Note

This data sheet is issued as a guide to the use of the product(s) concerned. Whilst a.b.e.® Construction Chemicals endeavours to ensure that any advice, recommendation, specification or information is accurate and correct, the company cannot – because a.b.e.® Construction Chemicals has no direct or continuous control over where and how a.b.e.® Construction Chemicals’ products are applied – accept any liability either directly or indirectly arising from the use of a.b.e.® Construction Chemicals’ products, whether or not in accordance with any advice, specification, recommendation or information given by the company.

Further Information

Where other products are to be used in conjunction with this material, the relevant technical data sheets should be consulted to determine total requirements. a.b.e.® Construction Chemicals has a wealth of technical and practical experience built up over years in the company’s pursuit of excellence in building and construction technology.