Product Details
ARDEX A 828
Satin and Filling Plaster
- Provides a smooth, satin-like finish
- Can be applied from zero thickness
- Delivers desired results even with thick applications
- Does not sag or crack
- Very easy to sand
ARDEX A 828: High-Performance Satin and Filling Plaster
ARDEX A 828 is a high-performance satin and filling plaster for indoor walls and ceilings. It provides a smooth, satin-like finish, can be applied from zero thickness, and is ideal for filling joints, holes, and voids. This easy-to-apply, fast-drying plaster offers excellent adhesion, low shrinkage, and is suitable for painting and wallpapering once dry. It is a breathable product, making it perfect for decorative finishes, and ensures high compressive and flexural strength.
Usage Areas
For indoor use on walls and ceilings.
- Applied as plaster and finishing plaster on cement and gypsum-based plasters or various brick walls.
- Used for filling joints, holes, and voids in gypsum boards, calcium sulfate boards, prefabricated concrete, and aerated concrete elements.
- Used for securing various fixtures, hangers, and installations.
- Provides satin surfaces when applied from zero thickness on gypsum board surfaces.
Product Content
A white powder mixture containing gypsum and polymer additives.
When mixed with water, it forms a creamy, easily spreadable paste.
After application and drying, it adheres perfectly to substrates made of rough brick walls, concrete, aerated concrete, gypsum, or cement-lime plaster.
ARDEX A 828 satin plaster has high filling strength, can be applied in one layer at high thicknesses, and does not sag or crack during drying.
Since ARDEX A 828 is a breathable product, it provides an excellent substrate for paint, wallpaper, and decorative wall coverings.
Packaging
25 kg kraft bag 5 kg kraft bag
Shelf Life and Storage
Can be stored for approximately 12 months in its original unopened packaging in dry and cool conditions.
Mixing Ratio
Approximately 13 liters of water for 25 kg of powder (1 part water : 2 parts powder)
Dry Powder Density
Approximately 1.0 kg/l
Wet Mortar Density
Approximately 1.5 kg/l
Material Requirement
Approximately 1.0 kg powder/m²-mm
Requirements by Quality Class:
- Q1 quality class ~ 0.3 kg/m²
- Q2 over Q1 ~ 0.1 kg/m²
- Q3 over Q2 ~ 0.2 kg/m²
- Q4 each 1 mm thickness ~ 1.0 kg/m²
Working Time (+20°C)
Approximately 30 minutes
Painting and Adhesive Work
After drying
Compressive Strength
Approximately 9 N/mm² after 28 days
Flexural Strength
Approximately 4 N/mm² after 28 days
pH Value
Approximately 8
GISCODE
CP1 – Calcium sulfate-based filler mortar, unclassified
EMICODE
EC 1PLUS – Very low emission
GHS/CLP Classification
None
GGVSEV/ADR Classification
None
IMPORTANT NOTE
This Frequently Asked Questions (FAQ) section is prepared for general information purposes and does not constitute a definitive guide. For the most accurate and up-to-date information please refer to the product technical data sheets. For detailed information about product features, usage conditions, and application methods, we recommend consulting the ARDEX Turkey technical team. Before any application, obtaining expert advice on surface preparation and product selection will increase the success of the application.
How can I achieve a smooth, satin-like finish on walls and ceilings?
ARDEX A 828 is a high-performance satin and filling plaster that provides a smooth, satin-like finish. It can be applied from zero thickness and is ideal for filling joints, holes, and voids.
What are the suitable applications for ARDEX A 828?
ARDEX A 828 is used for indoor walls and ceilings, filling joints and voids in gypsum boards, concrete, and aerated concrete elements. It is also used for securing fixtures and creating satin surfaces on gypsum board.
How do I mix and apply ARDEX A 828 for optimal results?
Mix 25 kg of ARDEX A 828 powder with approximately 13 liters of water to form a creamy paste. Apply the mixture with ease; it does not sag or crack during drying.
What are the benefits of using ARDEX A 828?
ARDEX A 828 offers excellent adhesion, low shrinkage, high filling strength, and is breathable, making it an excellent substrate for paint, wallpaper, and decorative coverings.
What is the shelf life and storage condition for ARDEX A 828?
ARDEX A 828 can be stored for approximately 12 months in its original unopened packaging, in dry and cool conditions.
How can I prevent sagging and cracking in plaster applications?
Using a high-quality satin and filling plaster like ARDEX A 828 ensures that the plaster does not sag or crack during drying, providing a durable and smooth finish.
What is the best plaster for filling joints and voids in gypsum boards?
ARDEX A 828 is ideal for filling joints, holes, and voids in gypsum boards, offering a smooth, satin-like finish and excellent adhesion to various substrates.
How do I prepare a surface for painting and wallpapering?
Apply ARDEX A 828 as a breathable plaster that provides an excellent substrate for paint, wallpaper, and decorative wall coverings, ensuring a smooth and even surface.
Do you have any questions about this product?
You can ask your questions about this product by filling out our contact form.