JK Cement Floor Screed FS11 is dry pre mixed and factory controlled product for levelling and smoothening un-even floors prior to laying decorative carpets, floor tiles, etc. It is composed of Portland cement, Selected Aggregates and Special chemical additives for enhancing the performance. JK Cement Floor Screed FS11 can be used for new or existing concrete slabs and cementitious floors.
Topping and levelling Layer of Concrete and Cementitious Floors.
|Binder||Ordinary Portland Cement|
|Aggregate size||< 5 mm|
|Recommended layer Thickness||Up to 80 mm thickness
bonded 25–40 mm & un-bonded 50-80 mm
|Water Mixing Ratio||5.5 – 6.5 Liter potable water per 50 Kg bags.|
|Working life||Approx. 60 minutes|
|Dry Density||2.20 ± 0.2 Kg/L|
|Wet Density||7 -9 Hours|
|Packing size||50 Kg bag|
|Yield/50 Kg Bag||23 – 29 Liters|
|Coverage||2.50–3.50 m² /50 kg bag/10 mm thickness*|
|Compressive strength||> 30 N/mm² at 28 days|
|Flexural strength||> 5 N/mm² at 28 days|
EN 13813:2002 | EN 197:2011 | BS 8204:2010 | ASTM C109
BS 882 | EN 13892-2:2002 | BS 4551:2005+A2:2013.
The substrate must be thoroughly cleaned, devoid of dust, loose particles, organic and inorganic debris, oil, grease and other contaminations that might else affect the bonding. The substrate must be cured by spreading clean and potable water on it prior to laying JK Cement Floor Screed FS11 to avoid suction of water from floor screed. The concrete base (substrate) should be kept wet for several hours before the levelling screed is to be laid.
For bonded screed, within a period of 30 minutes before laying the screed layer, the substrate should be brushed with a thin layer of creamy cementitious grout or slurry to obtain bonding treatment for upcoming layer of the screed.
For un-bonded screed, fill all the cracks and cut out hollow and loose portions on substrate and make it smooth before laying membrane/polythene sheet to spread screed. Separate the walls, beam and other structures from screed using foam strips all around and lay polythene sheet
Mix a 50 Kg bag of JK Cement Floor Screed FS11 with 5.5 – 6.5 Liters clean water using an appropriate concrete mixer or a mixing machine. This mixing is to be done in a clean plastic/non-corrosive metal bucket. Mix it for 2 – 3 minutes until it is free from lumps. Ensure that the temperature of the mixed material does not increase more than 32º C. If needed, use cool water for mixing. After allowing it to rest for 2 minutes, mix it again and proceed for application. Excess water is not to be added after this stage.
Pour the mixed material on to surface of substrate. Level the material to the desired thickness using a long steel trowel or suitable tools to achieve maximum uniform level and maximum spread. Ideal application temperature is + 5°C to + 35°C.
In case of floating application, minimum thickness of screed is to be applied. Protect the material from wind and direct Sunlight during and post installation. It is recommended to cover the applied screed with a plastic sheet for about 7 days once it becomes walkable.
Cure JK Cement Floor Screed FS11 for 2 -3 times per day for a minimum of 7 days.
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The information given here is based on the best of our knowledge, good faith, experience and laboratory based results and therefore the results will vary depending on the real time application. Also, the values indicated in this Data Sheet here are subject to ± 10% variance due to multiple factors. Also, the performance of our Tile Grouts depends on the workmanship/quality of application job at the site. Hence JK Cement Works (Fujairah) is not responsible for any sort of claims/disputes arising out of any negative results by using our JK Cement TileMaxX Tile Grout ranges of products. JK Cement Works Fujairah is not held responsible for use of this product for applications other than specified and/or adopting any faulty application/curing methodologies. It is the user’s responsibility to have through this Technical Data Sheet prior to applying our products and to ensure with JK Cement Works Fujairah that any product information is still prevailing at the time of application. Also the user must be sure that the product is suitable for the use intended and also applied it as specified while taking care of all precaution- ary measures. While all the products comply with the properties shown on current technical data sheets/brochures, JK Cement Works Fujairah does not warrant or guarantee the products’ performance as it doesn’t have any control over factors adopted during its actual application.