A fast setting, 2-part levelling and smoothing compound that can be applied from 2mm to 12mm in a single application. Designed for use on solid floors, including heated screeds, this dimensionally stable, protein-free product flows superbly. It sets with an excellent surface finish and is ready for foot traffic after just 2 hours. Resilient floor coverings can be fitted after 6 hours, and porcelain, ceramic, and natural stone tiles can be fixed after 4 hours. LevelMore Contract has been manufactured to the highest of standards using unique technologies, extensive knowledge and outstanding raw materials. When compared to the production of traditional cementitious flooring compounds, this results in a significant reduction in CO2 emissions. Additionally, Kelmore is committed to supporting the reduction of plastic waste, and by manufacturing LevelMore Contract liquid in pouches rather than bottles, we have reduced the plastic packaging of this product by >80%.
Areas of use:
See the coverage in the following table:
| Application Thickness | 2mm | 3mm | 5mm | 10mm | 12mm |
| Approximate Coverage | 6.3m2 | 4.2m2 | 2.5m2 | 1.26m2 | 1.05m2 |
The coverage will vary dependent on the texture of the background and the application thickness of the product. As a guide, a 20kg bag of Kelmore LevelMore Contract powder mixed with 4.5 litres of Kelmore LevelMore Contract liquid will provide the following approximate coverage:
NB: Cementitious products should only be used when both air and background temperatures are 5ºC or higher. If the temperature falls below 5ºC, the chemical reaction required for the product to set is hindered, dramatically slowing the curing process. Normal setting will only resume once temperatures rise. However, if temperatures drop below freezing before the product has fully set, the integrity and performance of the product will be compromised.
In conditions above 30ºC, the product’s setting time will be significantly accelerated, which could make it difficult to work with. When use in higher temperatures is unavoidable, steps must be taken to keep the air, background, water, and products as cool as possible.
See the table below:
| Classification (EN 13813) | CT-C20-F7 | |
| Unit size | Bag: 20kg Pouch: 4.5 litres | |
| Application temperature (air and background) | ≥ 5˚C | |
| Application thicknes | Minimum Maximum | 2mm 12mm |
| @20˚C | Working time Walk on Tile after Fit resilient floor coverings after | 30 minutes 2 hours 4 hours 6 hours |
| Consumption per mm thickness | Approximately 1.58kg /m2 | |
| After 28 days | Compressive strength Flexural strength | 20 N/mm2 7 N/mm2 |
Backgrounds must be sufficiently dry and strong enough to carry the total weight being applied. All surfaces must be clean, sound and free from contaminants that could inhibit adhesion, such as dust, dirt, oil, grease, laitance, and curing agents.
| Suitable Floor Backgrounds | Primer Required | ||
|---|---|---|---|
| A) Cement:Sand Screed (inc. Heated) | A) Concrete | A) Tile Backer Boards (on solid bases) | Kelmore LevelMore Universal Primer |
| B) Ashalt (Flooring Grade) | B) Epoxy DPM | B) Existing Ceramic, Porcelain, and Natural Stone Tiles (on solid bases) | Kelmore PrimeMore Grip |
| C) Calcium Sulphate/Anhydrite Screed (inc. Heated) | Kelmore PrimeMore CS | ||
| A) Prime with one coat of Kelmore PrimeMore Universal diluted 1:3 with water. Depending on the porosity of the background, additional coats may be required. The primer must be allowed to dry before applying LevelMore Contract. | B) Prime with one neat, undiluted coat of Kelmore PrimeMore Grip. The primer must be allowed to dry before applying LevelMore Contract. | C) Prime with one neat, undiluted coat of KelmorePrimeMore CS. The primer must be allowed to dry before applying LevelMore Contract. |
Prime the following backgrounds with one coat of Kelmore PrimeMore Universal diluted 1:3 by volume with clean water (1 part PrimeMore Universal to 3 parts clean water).
Depending on the porosity of the background, additional diluted coats of Kelmore PrimeMore Universal may be required
All priming coats must be allowed to dry before applying additional coats and before applying the flooring compound.
CEMENT : SAND SCREED
Tile-Fixing (Porcelain & Ceramic): Allow new screeds to dry for at least 3 weeks. For proprietary screeds, follow the manufacturer’s recommendations for reparation and drying times.
Fitting Resilient Floor Coverings: Ensure the screed has an effective structural DPM and is dry (≤75% RH). If a DPM is absent or ineffective, or residual construction moisture is present up to 98% RH, apply Kelmore DPM to the surface.
HEATED CEMENT : SAND SCREED
New screeds must be commissioned from 3 weeks after screed installation and before work commences. Heat slowly at a maximum rate of 5°C per day until the maximum operating temperature is reached. Hold this temperature for 3 days before allowing the screed to cool to room temperature. For proprietary screeds, follow the manufacturer’s recommendations for commissioning and preparation.
Fitting Resilient Floor Coverings: After commissioning, continue to run the underfloor heating until the screed is confirmed dry (≤75% RH). Switch off underfloor
heating 48 hours prior to commencing work.
CONCRETE
Tile-Fixing (Porcelain, Ceramic, Natural Stone): Allow new concrete to cure before being subjected to continuous air drying in good conditions for at least 6 weeks. Power floated concrete should be mechanically prepared to achieve a clean, sound, micro-textured, dust-free surface.
Fitting Resilient Floor Coverings: Ensure the concrete has an effective structural DPM and is dry (≤75% RH). If a DPM is absent or ineffective, or residual construction moisture is present up to 98% RH, apply Kelmore DPM to the surface. Power floated concrete should be mechanically prepared to achieve a clean, sound, micro-textured, dust-free surface and be confirmed dry (≤75% RH).
TILE BACKER BOARDS
Must be installed as instructed by the manufacturer and be securely fixed to suitable, prepared, solid bases. Allow the adhesive used to fix the boards to fully set before commencing work. Please note, to prevent point loading, some proprietary boards will require a minimum compound thickness before installing certain floor coverings.
Prime the following backgrounds with one neat, undiluted coat of Kelmore PrimeMore Grip. Allow the primer to dry before applying the flooring compound.
FLOORING GRADE ASPHALT
Must be hard, sound and firmly adhered.
EPOXY DPM
Must be a flooring grade that is compatible with cementitious products. Ensure it is hard, sound and firmly adhered.
EXISTING CERAMIC, PORCELAIN, AND NATURAL STONE TILES
Must be in good condition, free from contaminants and well bonded. Ensure the existing structure can take the additional weight.
Fitting Resilient Floor Coverings: If the existing tiles are fixed to a floor that does not contain an effective structural damp proof membrane, Kelmore DPM must be applied either directly to the surface of the prepared tiles or to a pre-smoothing layer of LevelMore Flex&Fibre, LevelMore Pro, or LevelMore Absolute 30.
Prime calcium sulphate/anhydrite screeds with one neat, undiluted coat of PrimeMore CS. Allow the primer to dry before applying the flooring compound.
CALCIUM SULPHATE/ANHYDRITE SCREEDS
All laitance and surface contaminants must be completely removed.
Tile-Fixing (Porcelain, Ceramic, Natural Stone): The screed must be confirmed adequately dry (≤85% RH).
Fitting Resilient Floor Coverings: The screed must be confirmed dry (≤75% RH).
HEATED CALCIUM SULPHATE/ANHYDRITE SCREEDS
All laitance and surface contaminants must be completely removed. New heated screeds must be commissioned from 7 days after screed installation and before work commences. The screed should be heated slowly and in accordance with the recommendations of the screed manufacturer.
Tile-Fixing (Porcelain, Ceramic, Natural Stone): The screed must be confirmed adequately dry (≤85% RH).
Fitting Resilient Floor Coverings: After commissioning, continue to run the underfloor heating until the screed is confirmed dry (≤75% RH). Switch off underfloor heating 48 hours prior to commencing work.
Underfloor Heating: Kelmore LevelMore Contract can be used to encapsulate electric underfloor heating cables which have been adhered to prepared, solid floors. For resilient floor coverings, apply LevelMore Contract at the thickness recommended by the manufacturer to ensure the floor covering does not suffer heat damage.
After completing installations on backgrounds incorporating underfloor heating, the heating system should not be run for 10 days. Following this period, the floor temperature must be gradually raised to its optimal operating temperature.
Impervious Backgrounds: To provide an absorbent base for the application of adhesives, when fitting resilient floor coverings, Kelmore LevelMore Contract must be applied at a minimum thickness of 3mm.
Multiple Layers: Where possible, LevelMore Contract should be applied at the desired thickness in a single application. If additional layers are needed, allow the previous layer to completely dry before priming with diluted PrimeMore Universal. Additional layers must not exceed the thickness of the previous layer.
Protein-Free: Kelmore LevelMore Contract is suitable for use in biologically sensitive areas.
LevelMore Contract is a 2-part product; LevelMore Contract powder must only be mixed with LevelMore Contract liquid at a ratio of 20kg powder to 4.5 litres of liquid.
Pour the LevelMore Contract liquid into a clean bucket. Gradually add the powder whilst mixing thoroughly with an electric paddle mixer until a smooth, lump-free consistency is achieved. The compound is ready for use immediately after mixing.
LevelMore Contract can be applied at a thickness of 2mm to 12mm in a single application. Pour the mixed compound onto the prepared floor before using a trowel or rake to regulate the thickness and guide the product into the desired areas. If the product has been applied at a thickness that allows free movement of a spiked roller, using it whilst the product is still wet can further enhance the surface finish by removing any trapped air.
Mix according to the pump manufacturer’s recommendations ensuring the correct water ratio is maintained. The mixed product should be smooth and fluid and have no surface separation or bleed. Flow checks should be performed regularly during the pumping process.
Drying times will vary dependent on the porosity of the background, ambient temperature and humidity. When tested to the industry standard temperature of 20°C, Kelmore LevelMore Contract can be walked on after 2 hours. Resilient floor coverings can be fitted after 6 hours, and porcelain, ceramic, and natural stone tiles can be fixed after 4 hours. Please be aware that higher temperatures and low humidity will shorten the drying time and lower temperatures and high humidity will
extend the drying time.
All tools should be cleaned with water after use and before the product sets.
When stored in unopened packaging, off the ground, and in cool, dry conditions, it has a shelf life of 12 months.
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Top quality service.
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