Pre-mixed Floor Screed
Ready to use cement based floor screed. It is a single compound formulated specially from hydraulic cement, graded aggregates, silica sand, fiber and special chemical additives. It is ideal for leveling and smoothing uneven floors prior to laying decorative floor coverings, carpets, floor tiles, or any other finishing.Ready to use cement based floor screed. It is a single compound formulated specially from hydraulic cement, graded aggregates, silica sand, fiber and special chemical additives. It is ideal for leveling and smoothing uneven floors prior to laying decorative floor coverings, carpets, floor tiles, or any other finishing. Ready to use cement based floor screed. It is a single compound formulated specially from hydraulic cement, graded aggregates, silica sand, fiber and special chemical additives. It is ideal for leveling and smoothing uneven floors prior to laying decorative floor coverings, carpets, floor tiles, or any other finishing.
Packaging:
NEOCEM SCREED 30 is supplied 50 Kg bags.
Consumption:
2.0 Kg/m2 per millimeter of thickness.
Storage:
Keep in sheltered and dry place with a temperature between +5°C and +35°C.
Shelf life:
12 months from date of production if stored properly.
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Surface preparation
The base concrete should be sound, clean free from loose material, lime, gypsum, plaster, grease laitance, dirt curing compound. The surface must be well prepared for bonding by scabbing to expose the coarse aggregate. Fix any screed battens to level. The surface should be swept to remove any loose material and wetted with clean water if the screed is placed in direct contact with the base.
Priming
NEOCEM SCREED 30 can be laid as a bonded screed by applying SBR Bonding Slurry to prepared concrete substrate as a bonding and priming layer.
To prepare the SBR bonding slurry, mix 1 part of SBR LATEX RIPRESA, a SBR with 2 parts of clean water and add 3 parts by weight of fresh cement and mix until a smooth consistency is prepared.
Scrub the mixed slurry into the concrete surface, while the slurry is not yet dry; apply NEOCEM SCREED 30 in order to ensure good adhesion with the substrate.
Mixing
Pour into a container 6-7 liters of water for 50 Kg bag of NEOCEM SCREED 30. Add the powder screed to the water and mix with a low speed electric drill fitted with a suitable paddle, until a uniform, lump free consistency mix is achieved. No further water should be added to the mix particularly once its start to set.
Application
Pour the mixed product onto the surface and spread to the level about 10 mm above the bottom i.e.: giving it a surcharge. Then tamp down the screed heavily to the level to give a full compaction. Strike off excess screed material until the top level (above the batten) by running a straight edge ruler alongside it.
Fill any slightly low areas, re-compact and rule out. Finish the section of the screed laid by wood float and steel trowel.
Protect the floor after leveling the mix from direct sunlight, high winds or rain.
It is possible to apply flooring material on top of NEOCEM SCREED 30 (such as ceramic, carpet, etc.) after nearly 7 days (depending on the thickness, humidity and weather conditions).
Curing
Curing of the completed floor shall be carried out using a combination of damp hessian and polythene sheeting for a period of no less than 3 days.
Cleaning
Tools and equipment should be cleaned with water immediately after use. Hardened material should be removed mechanically.
Recommendations
During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.
In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly.
If ingested, obtain medical attention immediately. Do not induce vomiting.
The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.
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