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Mirafi HP770 Geotextile Fabric

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Mirafi HP770 Geotextile Fabric - 15' x 300' Roll - Solmax

$5,053.68


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SKU MIRAFI-HP770-15x300


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This product: 4500 sq ft / roll
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Woven Multifilament Reinforcement

The Mirafi HP-series is a woven multifilament geotextile built for high-performance separation and reinforcement.

These fabrics pair high tensile strength with strong water flow, so they reinforce and separate soft subgrade while still draining, unlike typical slit-film wovens. The range steps up in strength from HP270 through HP770 to match increasing load demands.

The HP-series suits stabilization, subgrade separation, and reinforcement on roads, working platforms, and structural fills where both strength and permeability are required.

Square Feet / Roll: 4,500
Weight: 580 lbs
Fabric Specifications:  Download HP770 Specification Sheet

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Questions? (800) 748‑5647
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Why Choose Mirafi HP770?

5 reasons engineers specify Mirafi HP-series over generic woven reinforcement fabrics

Maximum Strength in the HP Woven Series

Delivers the highest tensile capacity in the HP line for the most demanding MSE walls, embankments, and reinforcement applications.

Engineered for High-Load Retaining Structures

For structures where lesser fabrics would fail or creep prematurely, HP770 provides the documented strength capacity designers require.

DOT Specified by Engineers on Major Infrastructure Projects

Mirafi HP770 is specified by engineers and DOTs for high-load reinforcement applications where fabric performance is non-negotiable.

USA-Made, BABA Eligible

Manufactured in Georgia — qualifies for Build America / Buy America requirements on federally funded infrastructure projects.

Full ASTM Documentation Package

Wide-width tensile, grab tensile, junction efficiency, and seam strength are published per ASTM standards for complete engineering submittals.

Frequently Asked Questions

This Product is Stocked in the California and Georgia Distribution Centers Only.

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 Questions? Call (800) 748-5647

PRODUCT SUMMARY

  • Reinforcement Strength: Higher tensile modulus properties per ASTM D4595 than any comparable stabilization product.
  • Separation and Filtration: Unique geotextile weave provides excellent separation factors with controlled filtration and drainage. Uniform openings provide same filtration and flow characteristics as that of a fine to coarse sand layer.
  • Durability: Superior damage resistance for moderate to severe stress installations.
  • Soil Interaction: Superior soil confinement resulting in greater load distribution.
  • Roll Sizes: Mirafi ® HP geotextiles come in multiple roll sizes to fit your project requirements.
  • Seams: Panels can be sewn together in the factory or field, providing cross-roll direction strength to facilitate installation.

YOUR TRUSTED
MIRAFI SUPPLIER

  • We are an authorized Mirafi distributor.
  • We only sell genuine Mirafi fabric. We never ship mislabeled overruns or "knock-offs".
  • You order Mirafi, we ship Mirafi. Even if a stock issue arises we never substitute for another brand without the customer's direct consent.
  • When you call, we answer. When you call Paramount Materials you get a live person quickly, ready to help with product or order questions. (M-F 5:00 am - 3:00 pm Pacific Time)

Fabric Shipping Time - Georgia Warehouse:

By default, Mirafi fabric orders ship from the Georgia warehouse where a full stock of the Mirafi fabric types are maintained. Most orders ship same day (M-F) if order is placed before 11:00 AM EST. Transit times displayed in the map are listed in business days, are approximate and are specific to the Mirafi fabric line. The day that the order is shipped is not counted as a transit day. Most Mirafi fabric rolls ship via LTL freight. For expedited shipping rates please call: (800) 748-5647

The transit times displayed on the map are for our free shipping option.

Fabric Shipping Time - Southern California Warehouse:

Note: By default, orders ship from the Georgia warehouse with the standard transit times shown above. If you would like your order to ship from the Southern California warehouse (Mira Loma) you must first fill out a stock check request. Orders can also be picked up at this warehouse location if preferred. Southern California warehouse orders must be placed over the phone.

Most Mirafi fabric California warehouse orders ship same day (M-F) if order is placed before 11:00 AM EST. Transit times displayed in the map are listed in business days, are approximate and are specific to the Mirafi fabric line. The day that the order is shipped is not counted as a transit day. Most Mirafi fabric rolls ship via LTL freight. For expedited shipping rates please call: (800) 748-5647

The transit times displayed on the map are for our free shipping option.

PRODUCT INFORMATION - HP SERIES FABRICS:

TenCate Mirafi® HP-Series Woven High-Performance Polypropylene Geotextiles:

TenCate Mirafi® HP-Series high performance geotextiles are used for base course reinforcement and soil stabilization/reinforcement applications. Produced from high tenacity polypropylene yarns, HP-Series Geotextiles are specifically designed to provide separation, filtration, and reinforcement for moderate to severe site condition. These geotextiles are extremely versatile, ensuring long-term performance in new roadway construction. The combination of high tensile strengths and excellent filtration/separation characteristics make TenCate Mirafi® HP-Series geotextiles the complete geosynthetic.

TenCate Mirafi® HP-Series woven high-performance polypropylene geotextiles function for:

Separation
Filtration
Soil Reinforcement
Confinement

The Difference TenCate Mirafi® HP-Series woven high-performance polypropylene geotextiles make:

Weave provides excellent separation factors that control filtration and drainage
High soil confinement for greater load distribution
Durable and superior damage resistant
Cross-roll direction strength when panels sewn together

System Solutions:

Mechanically Stabilized Earth
- Embankments
- Walls: Permanent and Temporary

Roadway/Railway Construction

Roadway and Railway Stabilization and Reinforcement
- Base course reinforcement and sub-grade restraint

Erosion Control
- Land Reclamation

Waste Management
- Containment

TenCate Mirafi® HP-Series woven high-performance polypropylene geotextiles…geosynthetics that make a difference.

TenCate Mirafi® HP Series Specification Sheets


Case Studies

HP 770 Installed at Job Site

HP770 Installation at Construction Site

Case Study: Mirafi HP770 – The Challenge

The bridge over  Hay Creek in Chippewa County, Wisconsin was going to be reconstructed. This was the first time the State used FHWA EDC Initiative for a GRS-IBS project for a Geosynthetics Reinforced Soil Integrated Bridge System (GRS).  The project was chosen in November 2011.

The Design

The site was chosen as part of a much larger roadway project. GRS is an engineering structure that uses layers of geosynthetic reinforced aggregate. The bridge was planned to be a 40°  single span, cast-in-place bridge.  The DOT or Department of Transportation used standard design procedures including hydraulic analysis, geometry, load analysis,  external and internal stability, and a total plan set. FHWA Design Manuals and the completed FHWA standard plan sheets were brought in. The innovative design aspects included the slab-span superstructure, the use of modular blocks, and existing soft soils underneath the abutment.  RSF or reinforced soil foundation was used in the area of soft soils after removal.

Construction

Modular block was applied as the facing units for the abutment. As FHWA recommended, 4800 lb ft tensile strength geotextile was chosen for the bridge approach area, the reinforced zone, bearing bed, and the RSF. It was decided that  Mirafi® HP770PET woven geotextiles would be the best choice. The abutments were built in lifts using a 1.25-inch dense graded based in the bridge approach area and RSF. A standard open graded base was constructed within the walls.

Performance

The construction of the GRS-IBS took approximately one week to assemble. The scheduled two weeks were less than the standard driven pile abutments. Construction of a GRS-IBS will permit less construction time by using lighter, more mobile equipment. The abutments will be monitored for vertical and horizontal movement There was a lot learned during the design and construction during this project. The Wisconsin Department of Transportation will continue to review and promote GRS-IBS for future abutments where needed.