Ardex R 1 Renovation Plaster White
- Suitable For: smoothing and plastering walls and ceilings
- Area of use: INT
- Application Method: trowel
- Volume: 5KG 25KG
- Container Type: bag
- Type: plaster
- Colour: white
- Brand: Ardex
- Manufactuer: Ardex
- Box Size: 1
ARDEX R 1 is a high-quality, brilliant white, rapid-drying renovation plaster specifically designed for smoothing and plastering difficult walls and ceilings in dry, internal areas. It is ideal for preparing surfaces before applying wallpaper, paint, dispersion-based renders, or other wall coverings. This versatile plaster is compatible with various existing finishes and new backgrounds, including concrete, cement and lime renders, plaster, plasterboards, brickwork, mineral decorative renders, ceramic tiles, washable and old latex paints, acrylic paints, sound wallpapers, fiber-reinforced wallpapers, and sound tile adhesive.
Key Points:
- ARDEX R 1 is a brilliant white, rapid-drying plaster for walls and ceilings.
- Ideal for dry internal areas, preparing surfaces for paint, wallpaper, and other wall coverings.
- Suitable for use on a wide range of materials, from concrete and plaster to tiles and wallpapers.
- Compatible with both existing finishes and new surfaces, including washable and latex paints.
Coverage: Approximately 27m² at 1mm thickness.
Storage and Shelf Life: Store the product in its original packaging, off the ground, in a cool, dry area, and shielded from extreme temperatures. When stored properly, the product has a shelf life of 6 months. Reseal any partially used bags to maintain quality.
For more in our range of plasters, please click here. For our full range of Ardex products, click here.
Alternatively, you can visit the Ardex wesite by clicking here.
Substrate Preparation
Surfaces must be sound, dry, clean, and free from dust, grease, or any barriers to adhesion. Remove any loose finishes. Priming is rarely needed; for absorbent surfaces, apply a scratch coat of ARDEX R 1, wait 30-60 minutes (at 18-20°C), then apply the final coat. Plaster substrates should be primed with ARDEX P 51, diluted 3:1 with water, applied with a brush, and left to dry. For acrylic paints and abraded tiles, use a thin scratch coat, allowing 30-60 minutes drying time before applying the second ARDEX R 1 coat. Old decorative finishes like ‘Artex’ can be smoothed directly with ARDEX R 1 without primer if they’re well-adhered; high spots should be smoothed with a steel float, and a scratch coat should be applied, allowed to dry, then followed by an additional layer to the required thickness.
Mixing
Add 2 parts ARDEX R 1 powder to 1 part clean water, mix thoroughly to achieve a smooth, lump-free consistency. Use a drill with a mixing paddle for larger batches; smaller amounts can be mixed by hand. Let the mixture sit for 2-3 minutes to activate additives, then remix to a creamy consistency. The mixture has a 30-minute working time.
Application
For best results, apply ARDEX R 1 in two coats. Its rapid-drying properties enable complete wall smoothing in a single process. Use a trowel, blade, or filling knife, filling holes from the edges to prevent air bubbles. Wipe any imperfections with a damp sponge before drying to avoid sanding. Alternatively, smooth with a damp sponge and re-trowel or sand once hardened if desired. Apply at temperatures above 5°C.
Thicknesses and Drying Times
ARDEX R 1 can be applied up to 50mm thick in one layer and will fully dry in 24 hours. On absorbent surfaces, drying can take 6-8 hours, while on dense surfaces, it may take 24 hours. Decorative finishes like paint or wallpaper can be applied once dry, with times depending on ambient conditions and application thickness.
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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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