webercem pyrapatch - Repair Concrete
Verified by manufacturer 3 months ago
Fast-setting repair concrete for pavement patch or full-depth repairs
Application
- Small-scale, rapid concrete repairs, 25–100 mm depth.
- Industrial floors, rapid repair of failed floor slabs
- Bridge deck repairs.
- Rapid repairs to pavement concrete both thin-bed and full-depth.
- Car park decks and ramps.
- Forecourts which require early trafficking.
- Loading bays.
- Coastal slipway and causeway repairs in tidal zones
Description
Fast-setting repair concrete for pavement patch or full-depth repairs. webercem pyrapatch is a pre-packed product based on hydraulic cements with specially graded non-reactive aggregates. The product is polymer-modified which, when mixed with clean water, produces a fast setting repair concrete, suitable for patch or full-depth repairs up to 2 m². Typical patch repairs up to 100 mm depth and extended with aggregate for full depth repairs. Conformity testing to BS EN 1504-3 has confirmed that webercem pyrapatch meets the requirements for a Class R4 repair product.
Features and benefits:
- 15–20 minute working time at 20°C.
- Trafficable within 3 hours.
- Shrinkage compensated.
- Sulphate resistant.
- Resistant to freeze/thaw action.
- Can be used for winter work down to 5°C.
- Contains non-reactive aggregates.
- May be extended with non-reactive 10 mm granite aggregate for full depth repairs over 100 mm depth.
- Excellent strength gain at low temperatures.
- Self priming.
- Good compatibility with parent concrete.
- Requires only the addition of water.
- Independently tested by NAMAS approved laboratory.
General information
Material | Concrete |
Shape | Formless |
Uniclass | |
CAWS | C42/310 Repair mortar C42/335 Proprietary concrete for small area repairs C42/320 Levelling/ smoothing coats |
Specification data - Pre-blended concretes
CompressiveStrength | 60 N/mm² after 28 days. |
Adhesive bond | >1.2 N/mm². |
Modulus of elasticity | 21·5 kN/mm². |
Coefficient of thermal expansion | 11·1 x 10–6 per °C. |
Flexural strength | 9.8 N/mm² after 28 days. |
Abrasion resistance | AR0.5 |
Skid resistance | (Polished) SRV 54. |
Density | 2340 kg/m³. |