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Fosroc Supercast Predimax Injection Hose comprises of a doublewalled, patented PVC hose specially formulated to be durable, robust and fully resistant to continous immersion in ground water, saline, sewage, alkalis, acids, petrol, diesel and alcohol. The hose has exit openings (slots) for the pressure-fed injection material. Openings of the inside hose and the those of the outside hose are staggered with respect of each other to prevent cement paste from entering the injection hose during concrete placement.
Available in P11 (for general use) and P19 (for tunnels or large voids in concrete) sizes, supplied in kits - please see Kit Contents below.
Accessory pack also available.
Description
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Features & Benefits
- Economic - Reinjection option prevents leaks caused by settlement or structural movement
- Non destructive - No drilling or damage to the concrete
- Ease of use - Simple installation even at complicated details
- Proven and predictable performance
- Maintenance free system
- Verifiable - testing of joints for watertightness before installation of membrane or back filling
- Smooth surface avoids bonding between injection hose and concrete
- Suitable for operation under high or low injection pressure
Uses
Supercast Predimax Injection system has been designed to prevent passage of water through concrete joints:
- Construction and cold joints
- Water excluding structures; e.g. subways and tunnels
- Water retaining structures, e.g. canals and reservoirs
- Sewage treatment plants
- Below Ground concrete construction, e.g. around pile heads & basements
Kit Contents
- Roll Predimax P11/P19 = 100 m
- 500 x plastic clip
- 20 x plastic connector (P11 kit only)
- 10 x ventilating hose red (50 cm long)*
- 10 x ventilating hose white (50 cm long)*
- 10 x end boxes
- 20 x sealing plug yellow
- 20 x heat shrink tube (P19 kit only)
*For larger projects, 50m vent hoses available here.
Application Notes
- Installation, injection, reinjection and selection of materials should be conducted by a Fosroc Approved Applicator
- The concrete should be a minimum of 28 days old prior to commencing injection
- The Supercast Predimax Injection hose systems consists of a suitable length of hose plus inlet and outlet vents. These vents allow for injection and each vent is of a different colour (White/Red) for ease of identification
- Overlapping of injection hose length should be approximately 100-150mm with subsequent hoses placed between 50- 80mm of each other
- Place in the middle of the wall. Where walls are wider than 600mm, the hose shall be placed at a maximum 250mm from the water side. In all cases ensure that the hoses are embeded at a minimum distance of 50mm in concrete
- Fix the injection and vent hoses to the substrate with hose clips and accessories as supplied. Fixing shall be at 200-250mm centre to centre, to ensure that the hoses do not float in the fresh concrete during casting process
- When injection needs to be carried out, locate the red vent hose, remove the sealing cap and fix suitable injection nipples and accessories. It is imperative that the following steps are followed in the listed sequence:
- Fill the hose with injection material using injection pumps until flow is observed at the other end (white hose)
- Plug the end
- Pressurise the Supercast Predimax Injection Hose
- The system will allow injection of Polyurethane (Nitofill WS60, Nitofill UR63), epoxy resin (Nitofill LV) cement suspensions (Nitofill CEM) and polyacrylate gels
Typical Properties
| Supercast Predimax P11 | Supercast Predimax P19 | |
|---|---|---|
| Material | PVC | PVC |
| Internal Diameter* | 6mm | 11mm |
| External Diameter* | 11mm | 19mm |
| Injection Opening* | 6mm | 8mm |
| Colour | Green | Green |
| Discharge Opening* (Outer Hose) | 5mm | 5mm |
| Slots, Inner Hose* | Every 20mm, rotated by 90° | Every 20mm, rotated by 90° |
| Typical Uses | General Purpose | Tunnels or large voids in concrete |
| Typical Injection Length | 10 - 12m | 12 - 15m |
| Injection Material | All resin, fine and microfine cement | All, including cement |
* Subject to standard manufacturing tolerances.
Product Details
8106-915879
Data sheet
- Manufacturer
- Fosroc
- For Use By
- Professional Use
- For Use On
- Concrete
- Suitable For Use On
- Concrete
- Manufacturer
- Fosroc
- Usages
- Below Ground Waterproofing
- Product Usage Type
- Tools & Accessories
- Product Range
- Supercast
- Categorised As
- Accessories > Application Equipment
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Fosroc Supercast Predimax Injection Hose Kits is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT
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