Description
Crommelin Powerflex is a rubber polymer surface primer, coating adhesion promoter and cement additive, designed to consolidate cementitious surfaces prior to coating and improve strength, adhesion, chemical and moisture resistance of cement screeds, mortars and renders.
Powerflex is suitable for use to prepare most porous building material surfaces prior to the application of Crommelin liquid applied waterproofing membranes.
Features:
- Rapid drying surface primer – overcoat in 15 mins.
- Consolidates porous and dusty surfaces prior to over-coating.
- Increases durability and water resistance of concrete, renders and mortars.
- Improves workability.
- Increases tensile, flexural, impact and compressive strengths.
- High coverage / treatment rates.
Suitable Substrates:
- Brickwork
- Cementitious Substrates
- Compressed Cement Sheets
- Concrete
- Concrete Blocks
- Exterior
- Fibre Cement Sheeting
- Interior
- Mortar
- Plywood Sheeting
- Renders
- Screeds
Suitable Areas:
- Exterior
- Interior
- Mortars (Brick & Slab Edge)
- Priming below waterproofing membranes
- Renders
- Screeds
Specifications:
- Coverage: Approx. 7-10 m2/L
- Full Cure: 28 days
- Colour: Milky liquid
- Clean Up: Water
- Shelf Life: 12 months
- Mix Ratio:
- Screed:
- Gauging mix: 0.2L of 1 part Powerflex to 3 parts water
- 1kg of cement
- 3kg of sand
- Primer Coat Prior to Screed Placement
- 1 part Powerflex to 1 part water
- Waterproof Render:
- Gauging mix: 0.5L of 1 part Powerflex to 3 parts water
- 1kg of cement
- 3kg of sand
- Primer Coat prior to Waterproofing:
- 1 part Powerflex to 1 part water.
- Screed:
