ARDEX BU 2K

Solid Content

68%

Dry Matter Density

Approximately 1.35 kg/l

Mixture Density

Approximately 1.25 kg/l

Volume Loss After Drying

Approximately 16% (≤ 50%)

Material Requirement

• Approximately 1.50 kg/m² for 1mm wet thickness
• Approximately 1.25mm wet thickness required for 1mm dry thickness

Color

Brown/Black

Consistency

Pasty

pH Value

10.5 – 11.0

Crack Bridging

≥ 2mm (EN 15812, for ≥ 3mm dry thickness)

Rain Resistance

≤ 5 hours (for ≥ 3mm thickness, 23°C / 50% relative humidity)

Water Impermeability

≥ 0.075 N/mm² (0.75 bar) for 5mm thickness

Pressure Resistance

≥ 0.030 MN/mm² (for ≥ 5mm reinforced dry thickness)

Cold Flexibility

No cracking at 0°C (according to DIN 52123, section 12)

Temperature Resistance

70°C (DIN 52123)

Water Resistance

Resistant (DIN EN ISO 2812-2)

Application Surface and Ambient Temperature

Between 5°C and 30°C

Initial Drying Time

≥ 6 hours depending on ambient conditions

Drying Time

1-3 days per coat depending on ambient conditions

Full Curing Time

At least 7 days depending on ambient conditions

Cleaning Materials

• Fresh: Water
• Dry film: Solvent or gasoline
• Skin contact: Hand cleaners

Technical Data Sheet

Declaration of Performance

Safety Data Sheet

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 waterproof foundations and floors effectively?

ARDEX BU 2K is a bitumen-based waterproofing coating ideal for waterproofing foundations and floors against ground moisture and non-permanent water pressure. It provides excellent adhesion and durability.

What are the suitable applications for ARDEX BU 2K?

This product is used for foundations, foundation walls, balconies, garden terraces, parking areas, and interior wet areas. It can be applied on concrete, mineral, and cement-based plasters, screeds, and bricks.

How do I apply ARDEX BU 2K for optimal results?

Apply ARDEX BU 2K in at least two coats, with or without mesh reinforcement, depending on the ground water pressure condition. The product can be used on horizontal and vertical surfaces, providing crack bridging and resistance to sagging.

What are the environmental and safety benefits of ARDEX BU 2K?

ARDEX BU 2K is solvent-free and environmentally friendly. It is resistant to aggressive substances in soil and has high aging resistance, ensuring long-term durability.

What is the mixing ratio and application temperature for ARDEX BU 2K?

Mix according to the specified ratios on the packaging. The application surface and ambient temperature should be between 5°C and 30°C.

How can I ensure long-lasting waterproofing for my foundation?

Using a bitumen-based waterproofing product like ARDEX BU 2K ensures long-lasting waterproofing. It provides crack bridging, high strength, and resistance to water and weather conditions.

What is the best way to waterproof a balcony or garden terrace?

ARDEX BU 2K is ideal for waterproofing balconies and garden terraces. It offers excellent adhesion to bituminous and concrete surfaces and is resistant to sagging on vertical surfaces.

How do I protect concrete structures from aggressive soil substances?

ARDEX BU 2K is resistant to aggressive substances in soil, providing durable protection for concrete structures and ensuring long-term waterproofing performance.