Instarmac UltraCrete FTC (Fast Track Concrete)
Instarmac UltraCrete FTC (Fast Track Concrete) is a fibre modified concrete rapid repair and screed, suitable for small and large reinstatements to car parks, warehouses and bridge decks.
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- Shrinkage compensated
- High compressive strength 66N/mm²
- Foot traffic: 2 hours
- Pre-blended mix, just add water
Instarmac UltraCrete FTC is a high strength, fast set concrete, suitable for small and large section reinstatements to car parks, airports, warehouses and bridge decks. With an initial set of 1 hour, the product can accommodate depths from 10-50mm (up to 100mm in pockets).
FTC is supplied in a 4mm aggregate formulated using a special blend of both aggregates and cements. The product does not contain metallic aluminium, iron or carbon and is chloride free, therefore eliminating the problems of corrosion and staining. UltraCrete FTC complies with the Highways Agency Specification for Highway Works, clause 1704.6 Control of Alkali Silica Reaction.
Apply FTC to a sound, clean surface free from contaminants and dust. The substrate should be roughened and scabbled to provide a good bond key. Metal surfaces or reinforced steel must be drained so that all rust and scale is removed. These should also be free from oil, grease and paint. It is essential that the repair edges are saw cut square to a minimum depth of 10mm. Feather edging is not recommended.
Remove any dust by vacuum or brush prior to commencing the priming operation. The concrete/masonry surface should then be thoroughly soaked with water. Ensure any surplus water is removed before priming with Ultrascape Pro-Prime Slurry Primer. Mix components as per instructions below and scrub well into the substrate. Do not allow the slurry primer to dry out.
Add 2.5 litres of clean water to a freefall mixer or mixing vessel and slowly add the entire contents of the bag. Mix for 3 minutes. The final mixed material should have a firm concrete consistency.
Note: Do not over water; only add up to 0.27 litres to achieve the ideal consistency.
Place the mixed material onto the primed and dampened surface to ensure positive adhesion, paying particular attention to edges and thin sections. Level up to the surface and finish using a steel float or trowel to close up the surface and seal the edges.
UltraCrete FTC should be cured using UltraFloor Prime IT Multi-surface Primer sprayed liberally over the surface, immediately after use.
This product must be stored in unopened bags, clear of the ground in cool dry conditions and protected from excessive drafts at temperatures between 5°C and 30°C.
If stored correctly and used within 8 months of the date shown on the bag, the activity of the reducing agent will be maintained and this product will contain, when mixed with water, no more than 0.0002% (2 ppm) soluble Chromium (VI) of the total dry weight of the cement.