Product Details
ARDEX GK
High-Strength, Fast, Wide Joint Grout
- Fast-setting, walkable after 1.5 hours
- Cement-based flexible grout
- For joints between ceramic tiles, facade cladding stones, moisture-resistant granite, and natural stones
- Suitable for joints wider than 4 mm
- Resistant to freezing and thawing
- Resistant to high temperatures, steam cleaners, and general cleaning agents
- Resistant to wear and heavy mechanical loads
- High adhesion strength
- Available in GRAY and SAND BEIGE colors
High-Strength, Fast, Wide Joint Grout for 4+ mm Joints – ARDEX
ARDEX High-Strength, Fast, Wide Joint Grout provides durable and quick-setting joint filling for ceramic tiles, facade cladding stones, moisture-resistant granite, and natural stones. Suitable for joints wider than 4 mm, it is resistant to high temperatures, steam cleaners, general cleaning agents, wear, and heavy mechanical loads.
Usage Areas
For both interior and exterior applications. Suitable for walls and floors. For joints wider than 4 mm.
- Ceramic tiles, granite ceramics, tiles
- Natural and concrete stone tiles
- Glass and glass mosaics
- Porcelain tiles
- Moisture-resistant granite and natural stones
- Concrete and clinker tiles
Suitable for areas with heavy pedestrian and load traffic such as:
- Residential balconies, terraces, and stairs
- Shopping centers
- Commercial buildings
- Schools
- Hospitals
- Terraces
- Water tanks
- Cold storage areas
- Workshops
- Car wash facilities
- Swimming pools
- Building facades (for brick joints)
Product Content
Cement-based grout with very fine filler materials and special additives. The special additives provide high-strength grout surfaces and ensure excellent workability and long wiping times. Maximum grain size is 0.7 mm.
When mixed with water, it creates a soft, easy-to-apply mortar that is easy to work with. It can be applied without issues even in wide joints, does not sag, and maintains its consistency even at low temperatures. It does not burn and provides durable joint filling. The joints can be used quickly after application.
Packaging
20 kg kraft bag
Shelf Life and Storage
Approximately 12 months in a dry and cool environment in its original unopened packaging, protected from sunlight and frost.
Mixing Ratio
2.80 liters of water per 20 kg of powder
Dry Powder Density
Approximately 1.5 kg/l
Wet Mortar Density
Approximately 2.2 kg/l
Material Requirement
For 10 mm joint width and 5 mm joint depth:
- For 60 x 60 cm tiles: approximately 0.30 kg/m²
- For 30 x 60 cm tiles: approximately 0.50 kg/m²
- For 30 x 30 cm tiles: approximately 0.65 kg/m²
- For 15 x 15 cm tiles: approximately 1.30 kg/m²
- For 10 x 10 cm tiles: approximately 2.00 kg/m²
The amount of grout remaining on the surface and cleaned off after application can be calculated as approximately 0.05-0.10 kg/m² depending on the application and tile surface.
Working/Pot Life*
Approximately 30 minutes
Walkable Time*
Approximately 90 minutes
*These values are approximate and calculated under laboratory conditions at +20°C and 65% relative humidity. Environmental and air conditions can alter these values. Higher temperatures and lower humidity shorten these times, while lower temperatures and higher humidity extend them.
Brinell Hardness
- After 1 day: 40 N/mm²
- After 3 days: 60 N/mm²
- After 7 days: 80 N/mm²
- After 28 days: 100 N/mm²
Suitability for Underfloor Heating
Suitable
EMICODE
EC1Plus – Very Low Emission
GHS/CLP Classification
Refer to the safety data sheet.
GGVSEV/ADR Classification
Refer to the safety data sheet.
What is ARDEX High-Strength, Fast, Wide Joint Grout?
ARDEX High-Strength, Fast, Wide Joint Grout is a cement-based flexible grout designed for joints wider than 4 mm. It provides quick-setting, high-strength joint filling for ceramic tiles, facade cladding stones, moisture-resistant granite, and natural stones.
Where can ARDEX High-Strength, Fast, Wide Joint Grout be used?
This grout is suitable for both interior and exterior applications, including joints between ceramic tiles, facade cladding stones, moisture-resistant granite, and natural stones. It is ideal for joints wider than 4 mm.
How does ARDEX High-Strength, Fast, Wide Joint Grout improve joint filling?
It provides strong, flexible joint filling that sets quickly, making it walkable after just 1.5 hours. It also offers high resistance to freezing and thawing, high temperatures, steam cleaners, and general cleaning agents, ensuring a durable and long-lasting finish.
What is the mixing ratio for ARDEX High-Strength, Fast, Wide Joint Grout?
Follow the manufacturer’s instructions for mixing the product with water to achieve the desired consistency. For 20 kg of powder, mix with 2.80 liters of water.
What are the benefits of using ARDEX High-Strength, Fast, Wide Joint Grout?
This grout offers high adhesion strength, quick-setting properties, and resistance to high temperatures, wear, and heavy mechanical loads. It is also resistant to freezing and thawing cycles and available in GRAY and SAND BEIGE colors.
How does ARDEX High-Strength, Fast, Wide Joint Grout provide water repellent properties?
ARDEX High-Strength, Fast, Wide Joint Grout is formulated with special additives that create a barrier against water, ensuring that the joints remain dry and protected from moisture.
How does ARDEX High-Strength, Fast, Wide Joint Grout repel dirt?
The grout has a smooth, non-porous surface that prevents dirt from sticking, making it easy to clean and maintain.
What are the benefits of using a sand-free grout like ARDEX High-Strength, Fast, Wide Joint Grout?
Sand-free grout provides a finer, smoother finish that is less likely to shrink or crack. It also ensures easier application and cleaning.
How does ARDEX High-Strength, Fast, Wide Joint Grout resist cracking?
The flexible formulation of ARDEX High-Strength, Fast, Wide Joint Grout allows it to absorb movement and stress, preventing cracks from forming in the joints.
How does ARDEX High-Strength, Fast, Wide Joint Grout provide high adhesion?
The special formulation of ARDEX High-Strength, Fast, Wide Joint Grout ensures strong adhesion to tile edges, creating a durable and long-lasting bond that withstands heavy traffic and environmental stress.
Do you have any questions about this product?
You can ask your questions about this product by filling out our contact form.