Kelmore Levelmore Absolute 30 extended information
Classification (EN 13813) | CT-C16-F10 |
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Unit size | Bag: 20kg Pouch: 4.5 litres |
Application temperature (air and background) | ≥ 5°C |
Application thickness | Minimum: 2mm Maximum: 20mm |
@20°C | Working time: 15 minutes Walk on: 30 minutes Tile after: 45 minutes Fit resilient floor coverings after: 90 minutes |
Consumption per mm thickness | Approximately 1.58kg /m² |
After 28 days | Compressive strength: 16 N/mm² Flexural strength: 10 N/mm² |
Areas of use:
- Floors
- Interior
- Domestic
- Commercial
- Over Adhesive Residues
- Below Damp Proof Membranes
- Water Piped Underfloor Heating
- Electric Underfloor Heating
- Limited Movement / Vibration
What is the coverage of Kelmore Levelmore Absolute 30?
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 Absolute 30 powder mixed with 4.5 litres of LevelMore Absolute 30 liquid will provide the following approximate coverage:
Application Thickness | 2mm | 3mm | 5mm | 10mm | 20mm |
---|---|---|---|---|---|
Approximate Coverage | 6.3m² | 4.2m² | 2.5m² | 1.26m² | 0.63m² |
Coverage NOTES:
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.
What are the drying times of Kelmore Levelmore Absolute 30?
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 Absolute 30 can be walked on after 30 minutes. Resilient floor coverings can be fitted after 90 minutes, and porcelain, ceramic, and natural stone tiles can be fixed after 45 minutes. 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.
Suitable Floor Backgrounds:
Suitable Floor Backgrounds | PRIMER REQUIRED | ||||
---|---|---|---|---|---|
Asphalt (Flooring Grade) | Existing Ceramic, Porcelain, and Natural Stone Tiles | Plywood Overlay (Class 3) | Tile Backer Boards | None Required | |
🅐 Cement:Sand Screed (inc. Heated)** | 🅐 Concrete** | Kelmore PrimeMore Universal | |||
🅑 Epoxy DPM* | 🅑 Metal (Steel) | PrimeMore Grip | |||
🅒 Calcium Sulphate/Anhydrite Screed (inc. Heated) | PrimeMore CS | ||||
🅐 Prime with one coat of PrimeMore Universal diluted 1:3 with water. | 🅑 Prime with one neat, undiluted coat of PrimeMore Grip. | 🅒 Prime with one neat, undiluted coat of PrimeMore CS. | |||
The primer must be allowed to dry before applying Kelmore LevelMore Absolute 30. | |||||
*Kelmore DPM does not require priming if applying LevelMore Absolute 30 within 24 hours of application. **Although priming is not necessary for the compound to bond to these porous backgrounds, priming is recommended to regulate background porosity and will result in improved adhesion, workability and the product’s surface finish. |
Background and Surface Preparation
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. Timber bases must be rigid, stable and adequately ventilated. They should support both static and dynamic loads without deflection and be covered with an appropriate intermediate layer. Ensure any remaining adhesive residues are hard, sound, well adhered and not softened by water.
Guidance notes on suitable floor backgrounds
The following backgrounds do not require priming.
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 Absolute 30.
FLOORING GRADE ASPHALT
Must be hard, sound and firmly adhered.
PLYWOOD OVERLAY (CLASS 3)
Fitting Resilient Floor Coverings: Plywood must be a minimum 6mm thick and conditioned to the appropriate moisture content for the environment. Fix using screw nails, ring shank nails, or screws every 100mm at the sheet’s perimeter and 150mm elsewhere.
TILE BACKER BOARDS
Must be installed as instructed by the manufacturer and be securely fixed to rigid, suitable, prepared bases. Where boards have been installed on solid bases using tile adhesive, ensure the adhesive has 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.
For best results, including improved adhesion, workability and surface finish, prime the following backgrounds with one coat of PrimeMore Universal diluted 1:3 by volume with clean water (1 part PrimeMore Universal to 3 parts clean water).
Allow the primer to dry 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 preparation 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 constructionmoisture 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).
Prime the following backgrounds with one neat, undiluted coat of PrimeMore Grip. Allow the primer to dry before applying the flooring compound.
EPOXY DPM
Must be a flooring grade that is compatible with cementitious products. Ensure it is hard, sound and firmly adhered.
METAL (STEEL)
Must be rigid, corrosion-free and clean
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.
ADDITIONAL INFORMATION
Moisture Tolerance: Kelmore LevelMore Absolute 30 is suitable for use on damp subfloors, provided no surface water is present. It can also be used below damp proof membranes, and when used to pre-smooth textured subfloors, it enhances the coverage of Kelmore DPM.
Underfloor Heating: Kelmore LevelMore Absolute 30 can be used to encapsulate electric underfloor heating cables which have been adhered to prepared floors. For resilient floor coverings, apply LevelMore Absolute 30 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, LevelMore Absolute 30 must be applied at a minimum thickness of 3mm.
Adhesive Residues: Only apply LevelMore Absolute 30 at a thickness of 3mm to 6mm over adhesive residues that are hard, sound, well bonded and not softened by water.
Timber Floors: Kelmore LevelMore Absolute 30 can be used to smooth or level uneven timber floors prior to overlaying with plywood or tile backer boards. The timber floor must be rigid, adequately ventilated and free of all contaminants that could inhibit adhesion and be primed with PrimeMore Grip. Allow the primer to dry before applying thecompound, and the compound must be allowed at least 90 minutes to fully dry before fitting the sheets or boards.
Multiple Layers: Where possible, LevelMore Absolute 30 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 Kelmore PrimeMore Universal. Additional layers must not exceed the thickness of the previous layer.
Protein-Free: LevelMore Absolute 30 is suitable for use in biologically sensitive areas.
How to mix Levelmore Absolute 30?
Kelmore LevelMore Absolute 30 is a 2-part product; LevelMore Absolute 30 powder must only be mixed with LevelMore Absolute 30 liquid at a ratio of 20kg powder to 4.5 litres of liquid. Pour the LevelMore Absolute 30 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.
How to apply Kelmore Absolute 30?
Kelmore LevelMore Absolute 30 can be applied at a thickness of 2mm to 20mm 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.
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