Sika Sikafloor-440 Level Fibre Reinforced 20kg


£26.59 inc. VAT
£22.16 ex. VAT

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  • Product ID: 612787
  • Suitable For: levelling uneven floors
  • Area of use: INT & EXT
  • Application Method: trowel
  • Volume: 25kg
  • Container Type: bag
  • Type: levelling compound
  • Colour: grey
  • Brand: Sika
  • Manufactuer: Sika
  • Box Size: 1
Data Sheets

Download Safety Sheet

Download Tech Data

 

Sikafloor-440 Level Fibre Reinforced is a high-strength, flexible cement-based levelling compound, reinforced with fibres and polymers, specifically designed for use with underfloor heating systems and applications over wooden floors. When mixed with water, it forms a smooth, self-levelling compound that dries to a tough, flexible finish. This versatile compound can be overlaid with most common floor coverings or left as a final wearing surface. It sets rapidly, allowing foot traffic in just 3 hours and enabling the application of ceramic tiles after only 4-5 hours at normal temperatures. It is strong enough to withstand light vehicular traffic and is ideal for embedding underfloor heating elements.

 

Key Points:

  1. Fast Setting: Walkable in 3 hours, can be overlaid with ceramic tiles after 4-5 hours.
  2. Durability: Strong enough to handle light vehicular traffic and suitable as a final wearing surface.
  3. Versatility: Can be overlaid with common floor coverings or used as a final finish.
  4. Underfloor Heating Compatibility: Specifically designed for embedding underfloor heating elements.

 

Shelf Life: 6 months from the date of manufacture.
Storage Conditions: Store in unopened bags, off the ground, in cool, dry conditions. Using the product after the stated storage period may increase the risk of an allergic reaction.

 

 

 

For more in our range of levelling compounds, please click here. For our full range of Sika products, click here.

Alternatively, you can visit Sika Everbuild website here.

 

 

Sikafloor-440 Level Fibre Reinforced is ideal for embedding underfloor heating, providing a final wearing surface, and levelling or smoothing uneven floors. It is suitable for covering various substrates, including existing concrete, sand/cement screeds, brick, stone, unglazed ceramic tiles, plastic sheet DPC, epoxy membranes, and wooden floors. This product is suitable for both internal and external use.

 

 

APPLICATION

Ensure the floors to be treated are free from grease, dust, and loose particles, and that substrates are porous. Begin by dampening the floor with water, then prime with SikaBond® PVA+ or SikaBond® SBR+ diluted 1 part PVA/SBR to 3 parts water for a sound, slightly damp surface. Fill any deep depressions or holes with an appropriate repair mortar and allow it to dry. To mix, combine 20 kg of Sikafloor®-440 Level Fibre Reinforced with 4.2-4.4 L of water. Always add the powder to the water, stirring until a smooth, creamy compound forms. Pour the mixture onto the prepared floor and allow it to self-level. Lightly trowel down to achieve a maximum thickness of 30 mm, with a minimum of 10 mm on wooden substrates.

  • Sand/Cement Render: Allow at least four weeks of drying before applying. Dampen the floor and prime with SikaBond® PVA+ diluted 1:3 with water. For areas with heavy foot traffic, mix with SikaBond® SBR+ diluted 1:1 with water.
  • Timber Floors: Ensure the floor is securely fastened at 300 mm centers. Apply SikaBond® SBR+ at a 1:1 dilution and apply it to the subfloor while the bonding coat is still tacky.
  • Existing Vinyl Tiles: Ensure the tiles are clean and sound. Prime with SikaBond® SBR+ diluted 1:1 with water and apply the floor leveling compound mixed with SikaBond® SBR+ over the tiles while the primer is still tacky. Allow 24 hours before applying the final covering.

Limitations:

  • Always mix with clean, fresh water and follow priming instructions.
  • Apply the product while the primer coat is still damp.
  • Never exceed the recommended water quantity to avoid weakening the mixture and causing cracking.
  • Do not mix more compound than can be applied within 20 minutes, and do not reconstitute once set.
  • Switch off underfloor heating 24 hours before and after application.
  • Do not use below 4°C.
  • For areas with movement, use SikaBond® SBR+ diluted 1:1 with water instead of water alone.
  • Ensure existing concrete screeds, asphalt, bitumen, and bituminous coatings are at least 4 weeks old before overlaying.
  • It is the user’s responsibility to determine suitability for specific uses; for clarification, contact the Technical Services Department.

 

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Elementlength
up to
1,5 m 		up to
2,5 m 		up to
3,5 m 		up to
4,5 m 		up to
2,5 m 		up to
3,5 m 		up to
4,5 m
Type of window frame material Minimum witdth of joints
for a butled mounting b in mm 		Minimum witdth of joints
for a inner mounting b in mm
Hard PVC (white) 10 15 20 25 10 10 15
Hard PVC and PMMA (dark)
(colour extruded) 		15 20 25 30 10 15 20
Hard PUR integral foam 10 10 15 20 10 10 15
Wood-aluminium-window 10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (bright) 		10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (dark) 		10 15 20 25 10 10 15
Wooden window frame 10 10 10 10 10 10 10

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