POLYBIT Polyprime WB

Water based bitumen primer

  • Economical
  • Solvent free
  • Anti corrosive

Features and benefits

Emulsified bitumen based primer designed for applications as a primer and sealer coat.



POLYBIT® POLYPRIME WB is used as a primer coat prior to the application of torch applied bituminous waterproofing membranes and oxidized bitumen. Available sizes: 200L

Documents and downloads

How to use

Surface Preparation

The surface shall be cleaned thoroughly of all contaminants
like dust, traces of curing compound, oil and grease. All
surface imperfections, protrusions, structurally unsound
and friable concrete must be removed and repaired with a
suitable Polycrete* concrete repair mortar


The surface must be dry before priming with Polyprime WB.
thoroughly mix the contents of the drum so that the there is
no settlement due to storage. The primer can be applied by
brush or roller @4-5 m²/L/coat. For dry and porous surfaces
apply a second coat. 


The second coat shall be applied only after the first coat dries off completely. The primer should be allowed to dry naturally before the application of subsequent layers 

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Frequently asked questions

No. It is a water based bituminous primer.

No. It is not recommended for self-adhesive membranes

Yes. It is green product with very low VOC content