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:
Frequently Asked Questions:
What is the purpose of using Crommelin Powerflex Waterproofing Primer in my construction project?
The purpose of using Crommelin Powerflex Waterproofing Primer in your construction project is to enhance the surface preparation for waterproofing membranes. It consolidates porous and dusty surfaces, improving adhesion, durability, and protection against water damage. By using Powerflex Waterproofing Primer, you ensure a stronger bond between the membrane and the substrate, leading to a more effective and long-lasting waterproofing solution for your project.
Can I apply Crommelin Powerflex Waterproofing Primer directly onto the substrate?
While Crommelin Powerflex Waterproofing Primer is designed to be applied directly onto the substrate, it is highly recommended to follow the instructions provided in the product description. In general, you should mix the primer with water according to the mix ratio mentioned (1 part Powerflex to 1 part water) and apply it evenly onto the substrate. This ensures proper coverage and adhesion of the waterproofing membrane to the substrate, resulting in a stronger bond and better overall performance.
Can Crommelin Powerflex Waterproofing Primer be used for both interior and exterior applications?
Yes, Crommelin Powerflex Waterproofing Primer can be used for both interior and exterior applications. Its waterproofing properties make it suitable for protecting surfaces from water damage in both indoor and outdoor environments. However, ensure that you follow the recommended application methods and mix ratios for the specific substrate and weather conditions to achieve optimal results.
