Estoproof 60UV
Estoseal Hydro
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Estoproof Primer W

Integral Liquid Waterproofing and Plasticiser

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Estoproof Primer W

Bitumen Primer For Waterproofing Sheet Membrane


Estoproof Primer W is a one component, water based bitumen primer designed for concrete surfaces to accept torch-applied or self-adhesive waterproofing sheet membranes. It is formulated with outstanding surface wetting properties that penetrates the concrete surfaces to adhere to the sound substrate.


Estoproof   Primer   W   is   the   recommended   primer   for  the Estoproof range torch-applied or self-adhesive waterproofing sheet  membranes. The  primers “wet  out”,  form  a film,  seal the substrate and promote adhesion.


  • Excellent adhesion over concrete surfaces.
  • Easy application – Simple mixing and application procedures.


Physical Properties

Form Paste
Colour Dark Brown
Specific Gravity 0.99 – 1.03
Drying Time (After Dilution) 2 – 4 hrs


Application Instructions

The relevant data sheet for the product overlay must be read before applying the primer. This gives full details for applying the complete system.

Surface Preparation

It is essential that the priming system is applied to a sound, clean, dry substrate in order to achieve the maximum adhesive bond  and long term durability.


Estoproof Primer W shall be diluted with clean water with ratio of 1:1.

The coverage figures given are theoretical – due to wastage factors and the variety and nature of possible substrates, practical coverage figures will be reduced. Typically, an additional 10% should be allowed.


Apply diluted Estoproof Primer W on concrete surfaces to  accept torch-applied or self-adhesives waterproofing sheet membranes at a rate of 4 – 6 m2/litre, and allowed to dry.

Packing & Size

Estoproof Primer W 200 litre drum

                                                             20 litre pail                        



Estoproof Primer W 4 – 6  m2 / litre



Technical Support

Estop offers a comprehensive range of high performance, high quality of product for both new and existing concrete surfaces. In addition, the company offers a technical support package to specifiers, end-users and contractors, as well as on-site technical assistance.


Store in dry conditions between 5oC and 30oC, away from surfaces of heat and naked flames, in unopened packs. All products have a shelf life of 12 months if kept in a dry store in the original, unopened packs.


Contact with the skin must be avoided. Gloves and barrier cream should be used when handling these products. If contact with the resin occurs, the skin should be washed immediately with soap and water. Eye contamination must be immediately washed with copious quantities of water and medical treatment sought.

Additional Information

Estop manufactures and offers a wide range of complementary products, which includes waterstops, waterproofing products, grouts, anchors, specialized flooring products. In addition, a wide range of products formulated for repair and refurbishment of spalled concrete are available.