WATCO Flowpatch Unter Null – pourable concrete repair mortar for use down to −10 °C
€190.02
Product information "WATCO Flowpatch Unter Null – pourable concrete repair mortar for use down to −10 °C"
Flowpatch Unter Null is the frost-grade version of WATCO's pourable concrete repair mortar for floors in cold stores, freezer rooms, walk-in chillers and unheated outdoor areas. When mixed with water the formula generates its own heat and, according to the manufacturer, can be used down to −10 °C. Damage in cold areas can be repaired without switching off refrigeration or moving stock out.
The mortar is mixed with water, poured and needs very little finishing. According to the manufacturer it takes traffic after about 2 hours at 20 °C or 5 hours at −10 °C, and can be placed 50 mm thick at −10 °C. It has low shrinkage, high resistance to frost and de-icing salts, and suits concrete and sand-cement screeds. Important: frozen substrates must be thawed first, minimum depth is 10 mm and repair edges should be cut square.
Typical applications
- Cold stores, freezer rooms and walk-in chillers
- Unheated halls, ramps and outdoor areas
- Setting railings, posts, masts and manhole frames
Features
- Usable down to −10 °C (manufacturer data)
- Traffic after approx. 2 h (20 °C) or 5 h (−10 °C)
- High frost and de-icing salt resistance
- Low shrinkage
Technical data (manufacturer)
| Base | Mineral powder with selected aggregates, mixed with water |
|---|---|
| Substrates | Concrete, sand and cement, unheated industrial floors |
| Coverage | approx. 0.5 m² per 25 kg at 25 mm |
| Minimum depth | 10 mm |
| Cure time | 5 hours at −10 °C |
| Pot life | approx. 20 minutes |
| Min. application temperature | −10 °C |
| Use | Indoors and outdoors |
For repairs at normal temperatures the standard Flowpatch is the more economical choice.
Hazard information under CLP (according to the manufacturer's safety data sheet)


Signal word: Danger
Hazard statements: H315 Causes skin irritation. H317 May cause an allergic skin reaction. H318 Causes serious eye damage.
Precautionary statements: P280 Wear protective gloves. Wear eye protection or face protection. P305+P351+P338, P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor. P501 Dispose of contents and container in accordance with all local, regional, national and international regulations.
Wording of the H, P and EUH statements as per CLP Regulation (EC) No 1272/2008, Annexes III and IV; pictograms derived from the classification. The manufacturer's label and current safety data sheet are authoritative.
Note: The components may be classified as hazardous. We will send you the current safety data sheets with classification, labelling and H and P phrases on request before you order. Supplied to trade and industrial users only.
Technical Details
| Operating Conditions: | Cold-resistant, Cold environment, For indoor use, For outdoor areas, For warehouse, Frost-resistant, Salt resistant |
|---|---|
| Sectors/Industry: | Food & Beverages, Industry & Production, Logistics & Warehousing, Maintenance & Technical Services, Road & Rail Construction, Traffic Safety, Water, Wastewater & Waste Management |
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