Liquid Hardener Flooring
Preparatory work: Finishing work of concrete.
Construction condition:
Elevation achieved; Strength complied with design requirement; surface must be free of bleed water;Enough flat surface for treating; Recommend 1000m2 per day for treating. Finishing process of concrete
Eliminate laitance; Troweling by power trowel with circular disc;Finishing;You can refer to 《Wear resistance flooring》 for more information.Normally, the floor flatness must meet the tolerance requirement of 2m straightedge±2mm. After finishing, if necessary, maintenance measurement can be taken to the concrete floor.The application of liquid hardener can be carried out the next day after finishing.
Recommended proposal : Sikafloor liquid hardener system –Curehard 24
Procedure Product Coating method ConsumptionLiquid hardener Sikafloor Curehard 24 Spray/Roller/Brush Approx.0.3kg/ m²Note: Curehard24 is a one part, clear liquid based on sodium silicate.
Application method:
Fresh Concrete:
Apply in a continuous film using a high volume low pressure spray unit as soon asthe surface is firm enough to walk on and in sufficient quantity to keep the surfacedamp for at least 30 minutes.After about 30~ 45 minutes, the material begins to gel and becomes slippery. Wet the material lightly with a water spray to reduce slipperiness and rework into the surface for 10 - 20 minutes with a soft bristle broom or floor-scrubbing machine. After about 20 minutes, the material will return to a gel. Rinse the floor and remove any excess material using a squeegee, wet vacuum or mop.
Hardened Concrete:
Apply in a continuous film using a high volume low pressure spray unit.To ensure maximum penetration, scrub material into the surface with a soft bristlebroom or floor-scrubbing machine (min. 30 minutes), until material begins to gel and become slippery. Wet the material lightly with a water spray and rework it into the surface for another 10 - 20 minutes. After this process, rinse the floor and remove any excess material using a squeegee, wet vacuum or mop. On porous, rough-textured or broom-finished surfaces, a second coat may be required.
Cleaning of Tools:
Clean all tools and application equipment with water immediately after use. Hardened / cured material can only be removed mechanically.
Waiting Time /Over-coating:
Where 2 coats are required to ensure maximum densification the second coat canbe installed 2 - 4 hours following the first.
Applied Product ready for use:
Substrate temperature +10°C +20°C +30°CFully serviceable ~ 6 hours ~ 5 hours ~ 4 hoursNote: Times are approximate and will be affected by changing ambient and substrate conditions.
Notes on Application /Limitations:
In hot weather (above +25°C) store Sikafloor®-CureHard-24 in a cool place prior touse.In low temperatures (below +10°C) the product may thicken and be difficult to spray.Sikafloor®-CureHard-24 will increase abrasion resistance compared to untreatedconcrete of the same type, but will not hide serious staining or excessive wear.For both old and new concrete, thoroughly wash and remove off residue or excessmaterial. This is important as it is difficult to do so if allowed to dry and may result in unsightly white stains. This residue solution is non toxic and can be emptied into a sanitary sewer.Sikafloor®-CureHard-24 will not compensate for poor substrates with low cementcontent. It is not intended for substrates which are lightweight or extremely porousor have worn (aggregate exposed) surfaces.
Website: http://www.sinopolymer.com.cn Phone: (86) 21-51592806 (86) 21-51592807 Fax: (86) 21-51592805 Zip: 200231 Address: Room 516, No4# Building, 218 Yindu Rd. Xuhui District, Shanghai
E-mail: marketing@sinopolymer.com.cn (Marketing Dept.)