Culvert & Outfall Erosion Protection Solutions

Permanent Erosion Control for Culverts & Outfalls

Protect roadside culverts and outfalls with HYDROTEX fabric formwork for the casting of concrete erosion control systems. Save money on installation costs and deliver a solution that fulfills the requirements of all project stakeholders.

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Permanent Erosion Control for Culverts & Outfalls

Protect roadside culverts and outfalls with HYDROTEX fabric formwork for the casting of concrete erosion control systems. Save money on installation costs and deliver a solution that fulfills the requirements of all project stakeholders.

Get a project estimate today:



HYDROTEX fabric-formed concrete is the best erosion control solution for culvert and outlet protection.

Roadside culverts should be protected from soil loss with a custom-manufactured erosion control system.

Synthetex manufactures the leading permanent erosion control product for municipalities and DOTs who want to permanently protect culverts and outfalls against erosion. HYDROTEX fabric-formed concrete is the top solution for this application, providing a permanent lining that requires minimal upkeep.

How is HYDROTEX used for outfall and culvert protection?

The Problem

Roadside culverts and outfalls are at a high risk of erosion, affecting inlet and outlet control. It can also expose the pipe, leaving it susceptible to critical damage that may permanently reduce the efficiency of the culvert’s components. This can cost thousands of dollars in repair.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Prevent erosion at culverts by installing a HYDROTEX fabric-formed concrete mattress. Whether you opt for a filter point, uniform section, or articulating block formwork, a HYDROTEX cast-in-place mattress will help guide the water into or out of the pipe and permanently protect against erosion.

Best HYDROTEX Fabric Forms for Protecting Culverts

HYDROTEX Filter Point

HYDROTEX® Filter Point



HYDROTEX Filter Band

HYDROTEX® Filter Band® Concrete Mattress



HYDROTEX Uniform Section

HYDROTEX® Uniform Section



HYDROTEX Enviromat

HYDROTEX® Enviromat®



Articulating Block Concrete Mat on Slope

HYDROTEX® Articulating Block



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Permanent Canal Lining to Prevent Seepage

Sometimes a canal needs to be lined on the sides and the bottom to protect against seepage and erosion. In those cases, a HYDROTEX fabric-formed concrete mat is the best choice.

With a diver’s help, the unpumped geosynthetic panel can be dragged across the riverbed. Once pumped with fine aggregate concrete, the mattress will naturally adjust to the soil.

Which industries typically need canal lining services?

Mine
River and canal erosion control
Airport runway

The Better Alternative for Precast Concrete Canal Lining

Unlike pre-cast concrete blocks, HYDROTEX can be easily transported to and from the project site.

No matter how remote or how close the canal is to a major highway, you will have no trouble transporting the geosynthetic panels to the installation site.

Additionally, other lining alternatives such as brick, puddle clay, LDPE plastic, cement, earthen types, or asphalt offer only a temporary solution that requires upkeep or replacement within a few years. HYDROTEX, on the other hand, is permanent and maintenance-free. After installation, HYDROTEX fabric-formed concrete mattresses can last up to thirty years without any intervention.

Related Solutions

Concrete Tunnel Closure Solutions

Concrete Tunnel Closure Products from Synthetex

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Concrete Tunnel Closure Products from Synthetex

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Custom cast-in-place (CIP) tunnel closure products from the leading manufacturer of fabric formworks for the casting of concrete.

Sometimes a tunnel closure is required inside a dam facility or around it. Rather than using traditional methods that are difficult to install, rely on a custom-made HYDROCAST armor unit to close the tunnel.

These bags are entirely custom-made to the tunnel’s specifications and can come in different shapes such as cubes, rectangles, or shapes with curves. Unlike normal grout bags, our HYDROCAST armor units have more than two sides, making them an effective tunnel closure tool.

How is HYDROTEX used for spillway protection?

The Problem

Over the lifespan of older infrastructures at power plants, dams, and municipalities, tunnels and pipelines must be closed due to evolving regulatory laws or to prevent collapse that could damage the valuable properties above.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Effectively prevent catastrophic collapse by casting a custom-sized concrete bag with HYDROTEX and HYDROCAST fabric formworks. Once filled with concrete, these formworks will create a permanent bulkhead at the ends of tunnels or pipelines. In between the concrete bag bulkheads, the void space can be filled with a flowable fill or grout.

Best HYDROTEX Fabric Forms for Closing Tunnels and Pipelines

HYDROCAST® Armor Units



HYDROTEX® Grout Bags



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Spillway Protection for Dams

A spillway ensures that the dam doesn’t overflow or fail by allowing a controlled amount of water to spill from the dam.

To ensure that the spillway doesn’t experience a loss of soil, dam owners and engineers should factor in a need for an effective erosion control system. A concrete lining such as HYDROTEX fabric-formed concrete will ensure that the spillway continues functioning as it should.

Another solution we offer at dams is embankment protection.

Spillway protection is typically needed for:

Lock and dam

Related Solutions

Spillway Erosion Protection Solutions

Spillway Protection Systems from Synthetex

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Spillway Protection Systems from Synthetex

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HYDROTEX fabric-formed concrete mattresses are the most effective chute spillway protection product.

Aside from providing slope protection at emergency spillways, HYDROTEX fabric-formed concrete provides permanent erosion control at dams, mines, and any other sites with chutes.

HYDROTEX is a highly versatile product and is typically used to protect chute and side channel spillways. It is typically not used to provide erosion protection at straight drop, labyrinth, shaft, ogee, and siphon spillways. However, our engineers can work with you to manufacture a fabric-formed concrete product for your specific needs.

How is HYDROTEX used for spillway protection?

The Problem

Spillways are critical structures in dams for lakes, ponds, and other impoundments. When left unlined, the soil in these structures can erode and compromise the spillway’s integrity. Unwanted vegetation can also propagate, making the spillway less efficient and resulting in high maintenance costs.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Keep maintenance costs low by casting a concrete mattress over the spillway with HYDROTEX fabric forms for the casting of concrete. Our products can provide hydrostatic relief, integrate internal concrete reinforcement cables, and offer other features as required. Permanent and maintenance-free, these mattresses effectively prevent the soil from eroding and keeps the spillway from losing the ability to properly channel water.

Best HYDROTEX Fabric Forms for Casting a Concrete Spillway Protection System

Articulating Block Concrete Mat on Slope

HYDROTEX® Articulating Block



HYDROTEX Uniform Section

HYDROTEX® Uniform Section



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Spillway Protection for Dams

A spillway ensures that the dam doesn’t overflow or fail by allowing a controlled amount of water to spill from the dam.

To ensure that the spillway doesn’t experience a loss of soil, dam owners and engineers should factor in a need for an effective erosion control system. A concrete lining such as HYDROTEX fabric-formed concrete will ensure that the spillway continues functioning as it should.

Another solution we offer at dams is embankment protection.

Spillway protection is typically needed for:

Lock and dam

Related Solutions

Shoreline Revetment Solutions

Shoreline Revetment Systems from Synthetex

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Shoreline Revetment Systems from Synthetex

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Installing a coastal revetment is simple with HYDROTEX fabric formworks for the casting of concrete.

The best product for armoring shorelines, HYDROTEX is 100% customized to your project’s specifications and requirements.

The geotextile fabric forms are manufactured to fulfill the required designed thickness and allows the mattress to conform to the land as the fabric is pumped with fine aggregate concrete.

Other coastal solutions we offer include rubble mound structure foundations and embankment protection.

How is HYDROTEX used to cast concrete shoreline revetments?

The Problem

Unprotected shorelines or estuaries can erode and encroach upon valuable seaside, lake, or river property such as ports, piers, lighthouses, industrial complexes, and roadways. This can compromise these structures and result in damage that can cost millions of dollars in repairs.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Prevent unexpected repair costs by installing a HYDROTEX fabric-formed concrete mattress on shorelines, attenuating erosion as well as scour. Unlike rip rap, our solutions can be customized to a thinner profile while relieving hydrostatic pressure, reducing wave run-up, and resisting shear stresses from hydraulic flow.

Best HYDROTEX Fabric Forms for Casting a Concrete Shoreline Revetment

Articulating Block Concrete Mat on Slope

HYDROTEX® Articulating Block



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HYDROTEX: The Best Shoreline Revetment Product

Coastal and marine engineers should do everything possible to prevent the loss of soil and movement of sediment from shorelines. A HYDROTEX mattress such as Articulating Block will provide the protection required. Both permeable and cable-reinforced, this mattress is the perfect solution to protect shorelines subject to hydraulic friction.

HYDROTEX fabric-formed concrete replaces other methods such as tetrapods, rip rap, and gabions.

Shoreline protection is typically needed for:

Marine facility

Related Solutions

Sediment Capping and Erosion Protection Solutions

Sediment Capping Systems from Synthetex

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Sediment Capping Systems from Synthetex

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Resolve underwater scour issues with HYDROTEX fabric-formed concrete scour protection mattresses.

The best solution for localized scour underwater and on land, HYDROTEX provides superior protection against harsh hydraulic forces under the sea.

How? The geosynthetic panels are laid out underwater at berths, ports, and harbors, then pumped with fine aggregate concrete. The result is a fabric-formed concrete mat that conforms to the scour depth around pier piles, on embankments, and under any marine structure.

How is HYDROTEX used in sediment capping projects?

The Problem

Contaminated sediment is a pervasive problem in industrialized shoreline environments. In the earlier years of the Industrial Revolution, industries located along waterways were less concerned with releasing what we’ve now learned to be toxic substances. To protect the future of our waterways and prevent an environmental disaster, you must install a sediment capping system.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Protect vulnerable waterways by using HYDROTEX fabric forms to cast a permanent concrete mattress over filtration media such as organophilic mats or sand layers. Our mat protects the filtration media from damage caused by waves, currents, dredging operations, and objects such as rocks, stumps, and boat anchors.

Best HYDROTEX Fabric Forms for Casting a Concrete Sediment Capping Mattress

Articulating Block Concrete Mat on Slope

HYDROTEX® Articulating Block



HYDROTEX Uniform Section

HYDROTEX® Uniform Section



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The in-situ capping of contaminated sediments is easy with HYDROTEX fabric-formed concrete.

Custom-manufactured to your project’s requirements, our products will provide dependable sediment erosion protection at shorelines, landfills, wastewater treatment plants, and more. HYDROTEX Articulating Block and Uniform Section on two of the best sediment remediation products in the market.

The management of sediments is a critical part of any ports or harbor operation. Achieve your sediment remediation goals by installing a HYDROTEX fabric-formed concrete mattress that will provide effective sediment capping and erosion protection.

Sediment capping is typically needed for:

Mine
Sediment remediation and capping

Related Solutions

Concrete Scour Aprons

Concrete Scour Aprons

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Concrete Scour Aprons

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Cast a custom concrete scour apron with HYDROTEX fabric forms for the casting of concrete.

Adding scour aprons to any dam, mining, or other facility is easy with custom-made HYDROTEX fabric-formed concrete mattresses.

Our products can also be used to meet other common scour protection requirements such as bridge pier scour protection, prop scour protection, and rubble mound structure foundations.

How is HYDROTEX used to cast scour aprons?

The Problem

Scour can happen anywhere, especially at the base of locks, dams, and port quay walls. Left unattended, such scour can cause damage to the surrounding infrastructure, limiting its effectiveness and lifespan. Don’t leave these vulnerable areas to the mercy of the severe hydraulic events they experience.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Effectively prevent critical failure of costly dam, port, or mining infrastructures by casting a concrete scour protection mattress with HYDROTEX fabric formworks for the casting of concrete.

This mattress is placed underwater at the base of locks, dams, and quay walls, permanently remediating and protecting against severe scour.

Best HYDROTEX Fabric Forms for Casting a Scour Apron

Articulating Block Concrete Mat on Slope

HYDROTEX® Articulating Block



HYDROTEX Uniform Section

HYDROTEX® Uniform Section



HYDROCAST® Armor Units



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Scour Aprons for Dams

HYDROTEX fabric-formed concrete mats are perfect to cast scour aprons.

These scour aprons can help you prevent erosion at conduits or anywhere else in or around the dam.

Scour aprons are especially useful at maintaining healthy soil conditions and providing a buffer between the original soil and the dam’s man-made structures. Installation is simple: lay out the geosynthetic panels on the area you’d like to protect, then pump with fine aggregate concrete.

Scour aprons are typically needed for:

Lock and dam
Mine

Related Solutions

Rubble Mound Structure Foundations

Rubble Mound Structure Foundations

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Rubble Mound Structure Foundations

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Resolve underwater scour issues with HYDROTEX fabric-formed concrete scour protection mattresses.

The best solution for localized scour underwater and on land, HYDROTEX provides superior protection against harsh hydraulic forces under the sea.

How? The geosynthetic panels are laid out underwater at berths, ports, and harbors, then pumped with fine aggregate concrete. The result is a fabric-formed concrete mat that conforms to the scour depth around pier piles, on embankments, and under any marine structure.

How is HYDROTEX used to create a foundation for rubble mound structures?

The Problem

Rubble mound structures (breakwaters, jetties, oyster reefs, etc) are a critical component of any coastal system. They are one of many ways to control water flow and direction as it comes in from the sea, protecting port operations and ecological environments.

Proper foundations are imperative to ensure the long-term performance of these structures. Without a foundation, you risk having to spend millions in repair or replacement costs.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Cast a concrete foundation under a jetty with HYDROTEX fabric formworks. The result is a permeable concrete mattress that effectively prevents soil loss beneath the breakwater, preventing differential settlement and improving the structure’s stability and longevity.

Best HYDROTEX Fabric Forms for Casting an Oyster Reef Foundation

Articulating Block Concrete Mat on Slope

HYDROTEX® Articulating Block



HYDROTEX® Grout Bags



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Whether used as breakwaters or shoreline protection systems, rubble mound structures play a critical role in coastal civil engineering projects.

Protect your rubble mound structure from underwater erosion and scour by creating a foundation below the structure, minimizing soil movement and counteracting wave conditions that can critically compromise its efficacy and stability.

HYDROTEX fabric-formed concrete is the best solution for such a need, ensuring the longevity of the structure and minimizing erosion of the coast’s shores.

Rubble mound structures are typically needed for:

Marine facility

Related Solutions

Retention Pond Permanent Erosion Control

Permanent Erosion Control for Retention Ponds

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Permanent Erosion Control for Retention Ponds

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Resolve underwater scour issues with HYDROTEX fabric-formed concrete scour protection mattresses.

The best solution for localized scour underwater and on land, HYDROTEX provides superior protection against harsh hydraulic forces under the sea.

How? The geosynthetic panels are laid out underwater at berths, ports, and harbors, then pumped with fine aggregate concrete. The result is a fabric-formed concrete mat that conforms to the scour depth around pier piles, on embankments, and under any marine structure.

How is HYDROTEX used at retention ponds?

The Problem

Retention ponds are a critical part of many highway systems, municipal drainage systems, and industrial facilities. The embankments of the ponds can be eroded by wind-generated waves, reducing its stormwater management functionality. Unwanted weeds and vegetation can also grow on the embankments, affecting flow velocity and making the pond difficult to maintain.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Permanently control erosion at retention ponds by casting a concrete mattress that keeps vegetation from growing on the embankment.

Depending on your or your client’s needs, we can also manufacture a fabric form that will allow you to cast a vegetated concrete mat, providing erosion protection while also accommodating aesthetic requirements.

Best HYDROTEX Fabric Forms for Retention Pond Erosion Control Projects

Articulating Block Concrete Mat on Slope

HYDROTEX® Articulating Block



HYDROTEX Uniform Section

HYDROTEX® Uniform Section



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Effective Retention Pond Lining and Embankment Protection

Similar to detention ponds, retention ponds are artificial bodies of water that are designed to keep a natural inland waterway, such as a river or a stream, clean. Unlike detention ponds, which may sometimes be dry, retention ponds are designed to be permanently filled with water.

HYDROTEX fabric-formed concrete mattresses will prevent erosion while ensuring the pond is an effective countermeasure against stormwater runoff.

Erosion control at retention ponds is typically applicable for these use cases:

Industrial plant
Mine
Wastewater plant
Airport runway

Related Solutions

Prop and Thruster Scour Protection Solutions

Permanent Scour Protection

Use HYDROTEX fabric formworks to cast a concrete scour protection system at your port or harbor. Save thousands in installation and machinery costs.

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Permanent Scour Protection (Prop or Thruster Scour)

Use HYDROTEX fabric formworks to cast a concrete scour protection system at your port or harbor. Save thousands in installation and machinery costs.

Get a project estimate today:



Resolve underwater scour issues with HYDROTEX fabric-formed concrete scour protection mattresses.

The best solution for localized scour underwater and on land, HYDROTEX provides superior protection against harsh hydraulic forces under the sea.

How? The geosynthetic panels are laid out underwater at berths, ports, and harbors, then pumped with fine aggregate concrete. The result is a fabric-formed concrete mat that conforms to the scour depth around pier piles, on embankments, and under any marine structure.

How is HYDROTEX used to protect against underwater prop and thruster scour?

The Problem

Ports are prime locations for scour, especially at the base of piers and quay walls. Due to natural waves and the movement created by the props and thrusters of ships coming into the ports, the embankment or subgrade material will scour and potentially compromise existing infrastructure.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Effectively prevent critical damage to your port by installing a HYDROTEX fabric-formed concrete mattress that will remediate or fill the scour hole as it happens. When a ship pulls into the port, the water will inevitably move, but the concrete mattress will prevent the sand and sediment from eroding.

Best HYDROTEX Fabric Forms for Casting an Underwater Scour Protection System

Articulating Block Concrete Mat on Slope

HYDROTEX® Articulating Block



HYDROTEX Uniform Section

HYDROTEX® Uniform Section



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HYDROTEX: The Best Prop and Thruster Scour Protection System

When a ship pulls away from a port, the land underwater is subject to localized scour. Protect underwater embankments from propeller action by armoring them with a HYDROTEX fabric-formed concrete mattress custom-manufactured to the embankment. The mattress will ensure that soil movements remain to a minimum and that the underwater land isn’t altered by the passing of ships.

Prop scour protection is typically needed for:

Ship at port

Related Solutions

Pipeline Cover Protection Solutions

Concrete Pipeline Protection

Use HYDROTEX fabric forms to cast a concrete pipeline protection system and save millions in labor and installation costs.

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Concrete Pipeline Protection

Use HYDROTEX fabric forms to cast a concrete pipeline protection system and save millions in labor and installation costs.

Get a project estimate today:



HYDROTEX fabric-formed concrete mattresses are one of the best pipeline protection methods in the industry.

Permanent and custom-made, a HYDROTEX pipeline cover is the most effective countermeasure against corrosion for pipelines underwater and above ground.

Used in conjunction with cathodic protection, HYDROTEX can be installed over, under, and around a pipeline to provide superior erosion protection and prevent soil movement under the pipeline.

How is HYDROTEX used for pipeline protection?

The Problem

Like bridges and piers, pipelines are subject to scour and erosion, which can significantly reduce the longevity of the structure. Such damage can lead to catastrophic failure, costing millions in repair costs.

The Solution: HYDROTEX Fabric Forms for the In-Situ Casting of Concrete

Use HYDROTEX fabric formworks to cast a permanent concrete mattress that will protect the pipeline bed from erosion. With HYDROTEX, you can also cast a permanent concrete structure that will support freespan pipelines, preventing critical failure.

Best HYDROTEX Fabric Forms for Protecting Pipelines

Articulating Block Concrete Mat on Slope

HYDROTEX® Articulating Block



SUBSEA Formworks



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HYDROTEX: The Best Oil Pipeline Protection Product

Oil and gas pipelines must be protected from corrosion and damage with a proper armoring system, ensuring the longevity of the pipe. HYDROTEX fabric-formed concrete is a cost-effective way to cover pipelines, fortifying them and ensuring the ground around them experiences minimal erosion during their lifetime.

Pipeline protection is typically needed for:

Industrial plant
Mine
Ship at port

Offshore Pipeline Cover Protection

Don’t leave an underwater pipeline to the mercy of the ocean’s elements.

The metal is subject to scour and corrosion, which could lead to a failure of the pipeline system. HYDROTEX fabric-formed concrete mattresses can be installed over and around the pipeline to provide much needed protection against scour.

Related Solutions