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POLYBIT POLYPRIME SB

Solvent based bitumen primer

  • Improves the adhesion of bitumen based sheet
    membranes and coatings
  • Cold applied, does not require heating
  • Binder for dust particles

Features and benefits

A quick drying solvent based low viscosity bitumen primer. It is used as a primer coat on masonry and concrete substrates to improve the adhesion of bitumen based membranes and coatings.

Properties

Description

POLYBIT® POLYPRIME SB is used as a primer and sealer coat prior to the application of bitumen based waterproofing membranes and coatings. Available sizes: 16L. 20L. 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, nail head protrusions, structurally
unsound and friable concrete shall be removed and
repaired with a suit-able Polycrete* concrete repair mortar.
The surface must be dry before priming with Polyprime SB.

Application

Mix the contents of the pail or drum for a few minutes to
remove any sediments. apply the primer @4-6 m²/L to a
clean smooth and dry surface by brush/roller. Allow the
primer to dry prior to the application of the membrane.
For highly porous surfaces application of a second coat is
recommended. 

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Frequently asked questions

This is a solvent based bitumen primer conforms to ASTM D 41

Yes. It is compatible with both torch applied and self-adhesive membranes.

Yes. It contains flammable solvents