A hydrophobic polymer based liquid cover/additive that creates a durable opaque layer ideal for erosion, dust and water run-off control
HydraGuard 21
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Product Description
The Ultimate Barrier for suppressing odors, vapors, and gases (methane, hydrogen sulfide, ammonia, etc.) emanating from the landfill surface. HydraGuard is a mixture of vinyl acetate and acrylic polymers blended so they will easily soak into a variety of soils. The objective is to get at least an inch of penetration. The liquid mixture will dry and harden creating a semi-impermeable layer that restricts stormwater penetration and similarly restricts the passage of gas, vapor, and VOC’s.
When applied to the surface of clay, it soaks into the clay. Full penetration is achieved when the surface takes on the look of a glazed donut as shown in the photo to the right of an aluminum dross monofil in Tennessee. HydraGuard was developed for this site to reduce its ammonia odors resulting from the penetration of water and its interaction with the aluminum dross. You can see a video of that site manager at
IMPORTANT DIFFERENCES:
NWCI manufacturers other cover materials used in remediation projects that are sprayed on the surface of the contaminated soil and achieve the same objective as a traditional cover. HydraGuard is different because it soaks into the soil as opposed to sitting on the surface. Geomembranes and special fabric coatings require additional maintenance, and are affected by wind. spray on ‘above surface coatings’ can get washed out in areas because stormwater gets behind and under the coating. With HydraGuard this does not happen because the coating is the soil surface.
HydraGuards Spectrum of Landfill Solutions
Because of its unique characteristics, by varying the levels of dilution, HydraGuard can be used for Erosion Control on slopes, dust control on low and heavy trafficked areas, odor and VOC suppression, and minimization of stormwater penetration into the landfill.
How to Use the Chart:
The chart below is designed to help you see how the different dilutions of HydraGuard in water can be utilized for different
purposes, improving durability and capability, as you decrease the number of parts of water to one part HydraGuard. The chart can help you understand application rates as well, both in terms of gallons of HydraGuard mixed with water needed to cover an acre, or how many square feet a gallon of concentrate will cover
| Dilution Ratios (Water:HydraGuard) |
18:1 | 11:1 | 9:1 or 8:1 | 7:1 or 6:1 | 4:1 or 3:1 |
|---|---|---|---|---|---|
| Application | Slopes or Roads | Slopes or Roads | Slopes or Roads Vapor & Odor Suppression Erosion Control – Gentle Slope Dust Control – Gentle Slope/Capping |
Road or Slopes Temporary Road Road Shoulders Slope Erosion – Moderate Slope Stockpile Capping – Steep Slope Dust Control – No Traffic (12 months) |
Road or Slopes, Erosion Control – Steep Slopes, Dust Control – No Traffic (24 Months), Dust Control – Light Traffic, Dust Control – Heavy Traffic |
| Traffic | No Traffic | No Traffic | No Traffic | Light Traffic | Heavy Traffic |
| Durability | 30 Days | 90 Days | 180 Days | 180 Days to 12 Months | 12 to 24 Months |
| Square Feet | 675ft2 | 435ft2 | 150ft2 to 200ft2Road: 320ft2 | 70ft2 to 75ft2 – Temp. Roads/Road Shoulders, 125ft2 – Slope Erosion (Moderate), 150ft2 to 175ft2 – Stockpile Capping (Moderate to Steep), 220ft2 – Dust Control Road (No Traffic) | 35ft2 – Dust Control Road (Heavy Traffic), 45ft2 – Dust Control Road (Light Traffic), 70ft2 – Slope Erosion (Steep), 150ft2 – Dust Control (No Traffic) |
| Gallon/Acre (diluted mix) |
1226 gal. | 1202 gal. | 1960 gal. up to 2613 gal., Roads: 2439 gal. | 2439 gal. – Slope Erosion (Moderate Slope), 1991 gal. – Stockpile Capping (Moderate Slope), 2033 gal. – Stockpile Capping (Steep Slope), 1386 gal. – Dust Control Road (No Traffic) | 4978 gal. – Dust Control (Heavy Traffic), 4860 gal. – Dust Control (Light Traffic), 2489 gal. – Slope Erosion (Steep), 1452 gal. – Dust Control (No Traffic) |
| Second Coating | |||||
| Purpose | N/A | N/A | To enhance durability and odor suppression | To enhance durability and strength of initial coating and extend product life | To enhance strength and durability of slope erosion cover material |
| Type | N/A | N/A | ProGuard (Irish Blend) or diluted version of ProGuard (Irish Blend) and HydraGuard at a 5 or 6:1 dilution ratio | ProGuard (Irish Blend) or ConCover 180 with HydraGuard | ProGuard (Irish Blend) or ConCover 180 with HydraGuard |
Product Specifications
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Product Type | Hydrophobic Polymer Liquid |
| Mixing Ratios | HydraGuard Only: 3:1 up to 18:1 Ratio – See Dust & Erosion Chart Tab ***speak with sales engineer about product & application to determine the mixing ratio |
| Application Type | Topically or Combined with a Cover Material |
| Product State | Liquid |
| Packaging | 5 Gallon Pail, 275 Gallon IBC Tote |
| Storage Recommendations | Store between 75 and 120 degrees Fahrenheit. Blend before use if stored for long periods of time. |
Product Reference Literature
SDS - HydraGuard 21
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HydraGuard 21 - Brochure
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