Ardex P 51 Primer
- Suitable For: priming and sealing various surfaces
- Area of use: INT & EXT
- Application Method: soft broom/brush
- Volume: 5kg
- Container Type: bottle
- Type: primer
- Colour: blue
- Brand: Ardex
- Manufactuer: Ardex
- Box Size: 1
Storage and Shelf Life
ARDEX P 51 should be stored in its original, unopened packaging, elevated off the ground in a cool, dry environment. It must be protected from excessive draughts to maintain its quality. When stored under these conditions, ARDEX P 51 has a shelf life of 12 months from the date indicated on the packaging.
For more in our range of primers, please click here. For see more of our Ardex range, click here.
Alternatively, you can visit the Ardex website here.
ARDEX P 51 is suitable for priming and sealing various surfaces, including cement or gypsum plaster-based materials, cement-based or anhydrite screeds, and alpha hemihydrate pumped screeds, prior to the application of cement-based products. It also improves adhesion to dense concrete sub-floors and cement-based screeds, making it ideal for use before applying repair mortars or cement-based tile adhesives. Additionally, ARDEX P 51 can prime rigidly supported and conditioned plywood sub-floors before installing ceramic tiles with appropriate cement-based adhesives. It can also serve as a temporary protective coating over cement-based smoothing compounds and repair mortars, allowing for foot traffic before the final flooring is installed, and as a dust-proofing treatment on screeds.
Substrate Preparation
Substrates must be dry, firm, and free from dust, water-soluble materials, excess adhesive residues, and any other barriers to adhesion. Ensure that the surface is protected by a functioning damp-proof membrane (DPM). Remove any surface contamination such as polish, wax, grease, and curing agents using ARDEX DGR degreaser before undertaking mechanical preparation. ARDEX P 51 should not be used on metal, mastic asphalt, excess adhesive residues, ARDEX DPM, polyurethane, or epoxy coatings. For guidance on these surfaces, refer to the datasheets for ARDEX P 82 Water Dispersed Epoxy Primer and ARDEX R 3 E General Purpose Epoxy Primer.
Application
Shake the ARDEX P 51 container well before use. If dilution is required, pour the ARDEX P 51 into a clean container and mix with the specified amount of water according to the mixing ratio. Ensure that both the ambient temperature and the surface temperature are above 5°C. When applying ARDEX P 51 where moisture-sensitive materials will be used, confirm that the substrate is dry—screeds should have a relative humidity (RH) reading of no more than 75%, and, if directly on the ground, protected by an effective DPM. Apply the primer evenly using a soft broom or brush over the clean, dust-free surface. Allow the primer to dry thoroughly, forming a clear, thin blue film, before proceeding with any subsequent work.
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| Elementlength | |||||||
| up to 1,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
|
| Type of window frame material |
Minimum witdth of joints for a butled mounting b in mm |
Minimum witdth of joints for a inner mounting b in mm |
|||||
| Hard PVC (white) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Hard PVC and PMMA (dark) (colour extruded) |
15 | 20 | 25 | 30 | 10 | 15 | 20 |
| Hard PUR integral foam | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Wood-aluminium-window | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (bright) |
10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (dark) |
10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Wooden window frame | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
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