NEXLER BITFLEX Primer fast-drying bitumen primer, 22 kg
NEXLER BITFLEX Primer is a water-based bitumen concentrate for preparing substrates before bituminous coatings, torch-applied membranes or self-adhesive membranes. The 22 kg pack is also suitable for priming OSB. For a substrate with normal absorbency, mix one part water with one part primer. Allow each coat to dry before applying the next.
| Priming, 1:1 solution | 0.15–0.20 kg/m² |
|---|---|
| Damp proofing, finished coating | ≈0.5 kg/m² |
| Approximate interval between coats | ≈2 h |
| Application temperature | +5…+30 °C |
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Application and dilution
For substrates with low absorbency, use two parts water to one part primer. Under self-adhesive bitumen membranes, the manufacturer recommends one part water to two parts primer. The 0.5 kg/m² figure is for the finished damp-proof coating, not each coat. The interval between coats depends on drying conditions.
The solvent-free emulsion can be used on low-absorbency concrete, on ground-bearing floors in basements and garages, and to protect timber in contact with soil. For damp proofing below ground, apply the undiluted product in three coats. Water dilutability of at least 300% by volume is a product property, not a mixing ratio for application.
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