Sika Sikafloor-125 Level Flex Self Levelling Compound 20kg

A latex-modified self-levelling floor compound used to smooth and level uneven internal floors before laying final floor coverings (tiles, vinyl, carpet, wood, etc.).

Key details

• Bag size: 20 kg

• Type: Cement-based, latex-modified smoothing compound

• Coverage: ~4–5 m² per bag at 3 mm thickness

• Application thickness:

  • Feather edge to 6 mm standard

  • Up to 25 mm when filled with sand

• Foot traffic: about 2–4 hours (at ~20 °C)

• Floor coverings: typically after 8 hours

Suitable substrates

• Concrete

• Sand/cement screeds (not anhydrite)

• Ceramic or quarry tiles

• Terrazzo floors

• Underfloor heating screeds

Basic mixing guide

• Mix 20 kg powder with ~3.5–4 L of clean water.

• Blend until smooth and pour onto the prepared floor, spreading with a trowel or smoothing tool.

Typical uses

• Levelling floors before LVT, laminate, tiles, or carpet

• Fixing small dips or uneven screeds

• Preparing floors for underfloor heating installations