- Improves the adhesion of bitumen based sheet
membranes and coatings
- Cold applied, does not require heating
- Binder for dust particles
-
Improves the adhesion of bitumen based sheet
membranes and coatings -
Cold applied, does not require heating
-
Binder for dust particles
-
Binder for dust particles
-
Conforms to ASTM D41 - Asphalt primer for roofing, damp proofing and waterproofing
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
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.
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.
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