
Cemflow Primer
High quality water-based styrene acrylic copolymer emulsion for priming and sealing concrete and masonry substrates
Cemflow Primer is a high quality, water-based styrene acrylic copolymer emulsion formulated to seal interior and exterior concrete and masonry surfaces, providing strong adhesion between fresh cementitious systems and hardened substrates.

- One component, easy to apply.
- High bond strength on concrete and masonry substrates.
- Excellent flexibility.
- Excellent water resistance.
- Water-based; moisture tolerant.
- Low VOC; complies with LEED requirements.
Cemflow Primer is used as sealer/primer for new and existing concrete and masonry substrates.
Typical applications include:
- Warehouses.
- Garages.
- Workshops.
- Food processing plants.
- Production plants.
- Showrooms.
When diluted at a ratio of 1 part Cemflow Primer to 5 parts water, coverage is approximately 30 m²/litre.
When diluted at a ratio of 1 part Cemflow Primer to 3 parts water, coverage is approximately 20 m²/litre.
Note: Coverage will vary depending on substrate texture, porosity and application method.
Cemflow Primer is available in 5 and 25 litre packs.
Cemflow Primer has a shelf life of 6 months from date of manufacture if stored in dry conditions at temperatures between 5oC and 25oC, in original unopened packs and under good conditions.