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Mines, Tunnels & Subways

Mines Tunnels & Subway Grouting

The injection of a multi-component chemical grout or an expansive hydrophobic foam grout into various rock strata, soil and voids creating a grout curtain to stabilize the soil, stop the infiltration and provide structure support.

The chemical grout is pumped under pressure from a delivery system that is either above ground or located near the grouting area. This liquid mixture is pressurized through the rock, or soil, or structure wall filling voids and creating a watertight grout/soil matrix preventing groundwater infiltration/exfiltration and potential soil erosion. The chemicals predictably react within 30- 60 seconds to seal off infiltration and are controllable from the delivery system. Grouting pressures measured at the injection point are monitored to insure that the materials are pumped at higher pressures than the groundwater pressures.

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Products you may need in Tunnels & Mines
AV202MultigroutLV 5783572d82a08ff7cf3a059c8f4c61b4

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AV-202-LV Multigrout LV

AV-202-LV Multigrout LV is the low viscosity version of the original AV-202 Multigrout. It is a single component; moisture activated MDI/TDI blended polyurethane injection resin. Designed for sealing active water leaks in cracks or joints in concrete structures, AV-202-LV can withstand high water flows as it can absorb up to 10 times its weight in water. AV-202-LV Multigrout LV is designed to permeate tight cracks or joints and cures to form a resilient and flexible, yet tough, closed-cell foam with superb adhesive qualities.

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AV-248
AV-248 FLEXSEAL

Injected as a single component, catalyzed AV-248 Flexseal is a moisture activated MDI-based polyurethane resin. The chemical reaction is catalyzed by using AV-249 Flexseal AC and uses moisture as an initiator. Like other hydrophobics, AV-248 Flexseal withstands wet/dry cycles and reacts with moisture; but unlike other hydrophobics, it forms a resilient, impermeable flexible foam. This high quality resin is designed for sealing active and potential water leaks in various cracks, and annular spaces where flexibility is needed but is susceptible to wet/dry cycles. Avanti’s AV-248 is one of the most versatile products on the market.

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AV278LowVisHydroPail 3aa8e29b94cfd41d0571a6a0bcc80ba7

AV-278 Low Vis Hydro

Injected as a single component, catalyzed AV-278 Low Vis Hydro is a moisture activated MDI-based polyurethane resin. The chemical reaction of this product is catalyzed by using AV-279 Low Vis Accel and uses moisture as an initiator. AV-278 was designed with soil permeation in mind – low viscosity for penetration with very high expansion to fill voids, stop active or potential water leaks, and stabilize soils. AV-278 withstands wet/dry cycles, permeates well, and reacts with water to form a dense, closed-cell, impermeable semi-rigid foam.

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AV280HydrofoamPail 99f478665e07cff411765cdf8c689c3e

AV-280 Hydrofoam

Injected as a single component, catalyzed AV-280 Hydrofoam is a moisture activated, high viscosity, MDI-based polyurethane resin. The chemical reaction is catalyzed by using AV-281 Hydrocel and uses moisture as an initiator. AV-280 was designed to not easily wash away where high volume water flow is present. It is injected into the substrate and reacts with moisture to fill voids, stop active or potential water leaks, and stabilize coarse materials. AV-280 withstands wet/dry cycles and cures to form a dense, impermeable semi-rigid foam.

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AV-315MicroFoam 7e896d1a7bed26ad4977703fbcd346a6

AV-315 Microfoam

Avanti’s specialized AV-315 Microfoam is a single component, moisture activated, polyurethane injection resin. This high quality resin has an extremely low viscosity and is designed for sealing active water leaks in very fine cracks or joints in below-grade structures. It cures to form a dense, resilient, and impermeable closed-cell flexible foam.
AV-315 Microfoam is tested and certified by the Water Quality Association (WQA) against NSF/ANSI 61 - Drinking Water System Components.

 

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AV-330 20Safeguard e75961b70dca5482054f6211b77247f0

AV-330 Safeguard

AV-330 Safeguard is a 100% MDI-based, single component, mid-range viscosity, moisture activated polyurethane injection resin. This high quality water-activated resin is designed for sealing active leaks in below grade structures. It is a mid-range viscosity grout that permeates well in various cracks and joints, but offers added safety in confined spaces or where there is poor ventilation. It cures to become a resilient and flexible, yet tough, closed-cell foam.
AV-330 Safeguard is certified by UL for NSF/ANSI 61 - Drinking Water System Components.

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AV-333 20Injectaflex 4bd50c78c28b54f63c6ae743c25f47a1

AV-333 Injectaflex

AV-333 Injectaflex is a single component, mid-range viscosity, moisture activated polyurethane resin designed for sealing active water leaks in cracks or joints in below-grade structures. AV-333 has the added benefit of containing dimethyl ketone (acetone) – a highly hygroscopic chemical able to attract surrounding atmospheric moisture and dissolve FOGs (fats, oils, and greases) to ensure good adhesion on various surfaces. It cures to form a resilient and flexible, yet tough, closed-cell foam.
AV-333 Injectaflex is certified by UL for NSF/ANSI 61 - Drinking Water System Components.

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AV100 BAG 7c75f54ea4c69b07c24819d13404540e

AV-100 Chemical Grout (Granular)

AV-100 is an ultra-low viscosity chemically reactive gel available as either granules or liquid. Having the same viscosity as water, AV-100 can permeate anywhere water can travel and cures within a controllable time frame anywhere from 5 seconds to ±10 hours. Once it cures, it creates an effective, long-lasting water barrier while providing superb soil stabilization.

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AV118Duriflex b4b0910123cabcc710bf15dfddbc53d1

AV-118 Duriflex

AV-118 is an ultra-low viscosity chemically-activated gel available as a liquid. Having the same viscosity as water, AV-118 can permeate anywhere water can travel and cures within a controllable time frame anywhere from 5 seconds to ±10 hours. Once it cures, it creates an effective, long-lasting water barrier while providing superb soil stabilization.

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AV160SuperGel 0ae624bf8345b8200a03bec7dc897146

AV-160 SuperGel

AV-160 SuperGel is a non-toxic, ultra-low viscosity, chemically activated gel. AV-160 has the same viscosity as water which allows it to permeate anywhere water can travel and cures within a controllable time frame from 5 seconds to ± 10 hours. Once it cures, it creates an effective, long-lasting water barrier while providing superb soil stabilization.

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Customer service


Office & Warehouse Details
69 Creek Street
Drury
Auckland, NZ
Mob: 021 998 762 (Lance)
Mob: 021 855 963 (Glenn)

email: lance@drillconnex.co.nz
email: glenn@drillconnex.co.nz
email: chris@drillconnex.co.nz   


 

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