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Ardex Endura FH 20 Floor Hardener
Product Price: Rs 385 / BagGet Best Price
Product DescriptionFH 20 is a pre-mix blended powder containing hydraulic binders and special wear resistance mineral aggregates. It is used as a dry shake over fresh, wet concrete to provide a dense, non-porous surface which is extremely hardwearing and abrasion resistant. FH 20 provides a slip floor resistant surface which will never rust and disintegrate.
|Packaging Size||25 Kg|
|Coverage Area||6.8 - 7 kg/m2 (Heavy),4.7 - 5 kg/m2 (Medium),2.8 - 3 kg/m2 (Light)|
|Shelf Life||12 Month|
|Usage||Loading Bays, Mechanical Workshops, Storage Rooms, Garages, Car Parks And Ramps|
|model Name||FH 20|
|MOH's Scale Hardness||7 - 8 (Medium Duty)|
|VOC Content||4.35 g/l|
|Compressive Strength||Greater Than 50 N/mm2 (28 days)|
|Compressive Strength 28 days||> 50 N/mm2|
Hard wearing and abrasion resistance: provides highly durable floor
• Non metallic: does not rust or stain
• Good monolithic bond with base concrete
• Provides a non-slip surface
• Dense surface: increased resistance to ingress of oil and grease.
• Floor available for full service once concrete is cured.
FH 20 is ideally suited for floors subjected to heavy traffic and not exposed to serious chemical attack such as:
- Loading bays
- Hard wearing and abrasion resistance: provides highly durable floor
- Non metallic: does not rust or stain
- Good monolithic bond with base concrete
- Car parks and ramps
- Storage rooms
- Provides a non-slip surface
- Mechanical workshops
- Dense surface: increased resistance to ingress of oil and grease
- Floor available for full service once concrete is cured.
The base concrete should have a minimum cement content of 300 kg/m³. The concrete mix should be designed to minimise segregation and bleeding. The concrete should ideally have a slump of 75mm.
The base concrete should be laid and compacted in accordance with good concrete practice. Following placement, concrete should be levelled off with a straightedge and then vibrated. The surface is then floated with a wooden float ensuring that it is not closed. Any bleed water should be removed. Particular attention should be paid to bay edges and corners to ensure full compaction.
FH 20 is supplied ready to use on site. Cement or aggregates should never be added. It is recommended that the floor be marked off into bays of known area. Sufficient material should then be laid out to meet the required spread rates. Application of FH 20 can begin when the base concrete has stiffened to the point when light foot traffic leaves an imprint of about 3mm. Any bleed water should by now have evaporated.
The timing of FH 20 application is important and critical. If applied too early, bleed or excess water will wash away the cementitious content of the products, thereby making them ineffective. Also denser aggregates sink into the concrete. If the application of FH 20 is done too late, there will not be sufficient water/moisture to absorb the material into the concrete. Material forcibly applied and trowelled thus, will cause cracks on the surface later, as there is no water/moisture to hydrate the product.
Proper curing of concrete floors treated with FH 20 is essential to ensure the physical properties of the floor. Curing should be carried out immediately after the final trowelling operation has been completed. This can be done by either covering with polyethylene sheets or by the application of C 20 (Concrete curing compound).
While applying FH 20 at the edges of the concrete floor or, at the end of bays, extra precaution should be taken by way of sprinkling more material and finishing it smoothly with a steel trowel. This is an additional protection particularly to bay edges where the reaction due to heavy impact is more.
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