Sika LANKO® Flexible - Flexible cement adhesive for ceramics
Sika LANKO® Flexible – Flexible cement adhesive for ceramics
Sika LANKO® Flexible is a high-performance flexible cement adhesive, specially designed for the installation of all types of ceramic coverings both on floors and vertical surfaces, in interior and exterior. It stands out for its high adhesion, excellent workability, and performance under demanding conditions.
Classified as C2TES1 according to EN 12004-2, it guarantees a secure bond even in complex applications or on difficult substrates.
Recommended uses
LANKO® Flexible is suitable for the installation of:
Ceramics of all kinds
Glass mosaic and glass paste
Natural stone
Specific applications:
Double bonding on exterior vertical coverings for pieces > 1,600 cm²
Double bonding on exterior floors for pieces > 2,400 cm²
Maximum allowable weight on coverings: < 40 kg/m²
Areas of use:
Interior and exterior floors
Interior coverings
Facades
Swimming pools
Cold storage rooms
Floors with underfloor heating
New flooring over old
New tiling over old
Compatible substrates
Concrete and mortar
Brick
Gypsum board
Old ceramics
Product advantages
Suitable for all types of ceramics
Easy application
Excellent workability
High adhesion
Flexible adhesive class C2TES1
Slip resistance T ≤ 0.5 mm
Technical data
Regulation: EN 12004-2:2017
Density of fresh mortar (at +20 ºC): ~1.6 kg/l
Layer thickness: 3 – 15 mm
Ambient application temperature: +5 °C / +35 °C
Substrate temperature: +5 °C / +35 °C
Mixing ratio: 7.50 – 8.25 L of water per bag (30 – 33 %)
Open time: ~30 minutes at +20 °C
Mix life: Approximately 30 minutes
Indicative consumption
Consumption will depend on the substrate, the size of the piece, and the installation technique:
Single bonding: ± 3 kg/m²
Double bonding: ± 5 kg/m²
Preparation and mixing
Mix the product with clean water for a minimum of 3 minutes using a low-speed electric mixer (< 500 rpm). Let the mixture rest for 5 minutes, remix for 15 seconds, and the product will be ready for application.
Do not use a concrete mixer.
Application
Apply LANKO® Flexible with a notched trowel on the substrate, selecting the appropriate tooth size according to the ceramic piece and the required thickness. Spread a uniform layer over small surfaces, adjust with the notched trowel, and place the ceramic piece by pressing and moving perpendicular to the grooves to ensure proper adhesive transfer.
Tool cleaning
Tools and equipment must be cleaned with water immediately after use. Hardened product can only be removed by mechanical means.