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Can I use Landscape Fabric for Erosion Control?

Erosion Control Landscape Fabric

Nonwoven Landscape Fabric stabilizing hillside

A couple of years ago our neighbors built a new home on their property and had concerns that their hillside would erode with all the heavy winter rains during construction. They decided to put down landscape fabric to help mitigate the erosion, but wondered if landscape fabric is best solution for helping prevent erosion. 

Geotextile Landscape Fabric can help mitigate soil erosion. Its most effective when buried under 4 inches of soil and used on slopes with 4:1 or less grade. 4:1 slope is 1’ of elevation for every 4’ of distance. Other products like Erosion Control Blankets or Turf Reinforcement Mats are better suited for higher sloped areas. 

In this article we'll cover where erosion control fabric is best used for erosion control, and also when its not appropriate, and what other materials should be considered for various scenarios.  

How does Landscape Fabric help prevent erosion?

Landscape fabric helps stabilize soil and provides a layer of protection against erosion. The fabric is laid out over the slope/hillside and soil or aggregate is placed on top.

Sandwiching the fabric between soil helps prevent water from easily washing away the slope and enables a secure place for grass and vegetation to grow. Erosion fabric is best suited for applications on gradual grades.

Erosion Control Landscape Fabric on side of road

Roadside being covered with Fabric to help prevent erosion

Erosion Control Fabric – 8 oz Non Woven
Erosion Control Fabric – 8 oz Non Woven
Erosion Control Fabric – 8 oz Non Woven
Erosion Control Fabric – 8 oz Non Woven

Erosion Control Fabric – 8 oz Non Woven

$508.79

Landscape fabric helps prevent erosion by both stabilizing the hillside against erosion from rains, and also by providing time and space for grasses and vegetation to grow. Fabric plays a supporting role in this process and can be extremely helpful and easy to implement if your developing a landscape that will withstand erosion. 

The greater the slope of the hillside the more likely it will be that other erosion control solutions are required.  In general the steeper the hillside or slope the harder it is for grasses and vegetation to fill in and take root.

Ground cover and grasses are an import aspect in preventing erosion as the root network of these plants will stabilize the soil and help water from causing further damage. 

What is the best type of Landscape Fabric for Erosion Control?

There are two primary geotextiles used for landscaping, Woven Fabric and Nonwoven fabric. Each are useful and are designed with different applications in mind. In general woven geotextile fabric is used where you need a lot of strength and don't require as much drainage (permeability). Alternatively Nonwoven fabric also called drainage fabric is ideal for...

Common Nonwoven Fabric Applications

  • Hillside Stabilization & Erosion Control
  • French drains, and/or drainage fields 
  • Rip rap, shorelines, retaining walls
  • Pond and water feature construction 
Nonwoven Landscape Fabric

Nonwoven Fabric

Common Woven Fabric Applications

  • Aggregate or paved driveway stabilization
  • Under patios or hardscaping
  • Roads, highways, and parking lot construction
  • Ground Cover
Woven Landscape Fabric

Woven Geotextile Fabric

Landscape Fabric vs. slope of the hillside

Here is an example photo of various grades. Starting at a gradual grade and moving down to 2:1 (50%) slope. understanding your slope is important for knowing if you should be utilizing Erosion Control Fabric or potentially using something else. 

For slopes greater than 4:1 grade, other erosion solutions such as Erosion Control Blankets (ECBs), or Turf Reinforcement Mats (TRMs) are going to be a more appropriate solution.  

See below for more information on ECB and TRM products. 

PRO TIP:

Slopes over 4:1 grade (25%) are NOT suitable for Landscape Fabric  

slope angles

Visual representation of hill slope 

Erosion Control product options 

Here are 3 things to consider in order to determine if you need to look at other erosion control solutions.

  • Slope - Is the slope greater than 4:1?  If yes, then use an Erosion Control Blanket (ECB) or Turf Reinforcement Mat (TRM).
  • Amount of Rainfall - Is my area known for heavy rain or flash flooding?  If yes, then consider using ECB or TRM products.
  • Intended Project Duration - Is this a temporary or permanent solution? Depending on the project needs you can consider biodegradable options, or synthetic/permanent options as dictated by the project engineer.

    See chart below for project expected timelines:
Erosion Control Product Infographic

Other Erosion Control Products:

Erosion Control Blankets

An erosion control blanket consists of a matrix of material such as coconut, straw, or wood fiber, that is held together by natural or synthetic fibers. The most common natural fiber used is straw and coconut fiber also known as coir. These fiber blankets are designed to slow the flow of water and provide a place where seed can grow and re-vegetate the landscape. 

Many blankets are considered shorter term with 1-2 years of effective life. These units are typically staked down on hillsides and designed to degrade while providing enough protection for grass seed to grow up through the fibrous matrix. When the blankets fully degrade you're left with the vegetation that will help hold the soil in place.

You can find the full collection of Erosion Control Blankets here >

AEC Premier Coconut - Erosion Control Blanket
AEC Premier Coconut - Erosion Control Blanket - 8' x 112.5'
AEC Premier Coconut - Erosion Control Blanket - 8' x 112.5'
AEC Premier Coconut - Erosion Control Blanket
AEC Premier Coconut - Erosion Control Blanket - 8' x 112.5'
AEC Premier Coconut - Erosion Control Blanket - 8' x 112.5'

AEC Premier Coconut - Erosion Control Blanket - 8' x 112.5'

$195.78
AEC Premier Straw/Coconut - Erosion Control Blanket
AEC Premier Straw/Coconut - Erosion Control Blanket - 8' x 112.5'
AEC Premier Straw/Coconut - Erosion Control Blanket - 8' x 112.5'
AEC Premier Straw/Coconut - Erosion Control Blanket
AEC Premier Straw/Coconut - Erosion Control Blanket - 8' x 112.5'
AEC Premier Straw/Coconut - Erosion Control Blanket - 8' x 112.5'

AEC Premier Straw/Coconut - Erosion Control Blanket - 8' x 112.5'

$158.36
Curlex High Velocity
Curlex High Velocity - 8' x 50'
Curlex High Velocity
Curlex High Velocity - 8' x 50'

Curlex High Velocity - 8' x 50'

$214.86
Curlex I - Erosion Control Blanket
Curlex blanket install on side of hill
Green Curlex on side of freeway
Curlex viewed up close
Curlex with Grass Growing Through It
Tan Curlex Blankets Installed
Curlex erosion matting at residential jobsite
Curlex I - Erosion Control Blanket
Curlex blanket install on side of hill
Green Curlex on side of freeway
Curlex viewed up close
Curlex with Grass Growing Through It
Tan Curlex Blankets Installed
Curlex erosion matting at residential jobsite

Curlex I - Erosion Control Blanket - 4' x 112.5' (Green)

$108.56
Curlex I - Erosion Control Blanket - 4' x 112.5' (Tan)
Curlex I - Erosion Control Blanket - 4' x 112.5' (Tan)
Curlex I - Erosion Control Blanket - 4' x 112.5' (Tan)
Curlex I - Erosion Control Blanket - 4' x 112.5' (Tan)
Curlex I - Erosion Control Blanket - 4' x 112.5' (Tan)
Curlex I - Erosion Control Blanket - 4' x 112.5' (Tan)

Curlex I - Erosion Control Blanket - 4' x 112.5' (Tan)

$108.56
Curlex I - Erosion Control Blanket
Curlex I - Erosion Control Blanket - 8' x 112.5' Green
Curlex I - Erosion Control Blanket - 8' x 112.5' Green
Curlex I - Erosion Control Blanket - 8' x 112.5' Green
Curlex I blanket installed to prevent erosion
Curlex I - Erosion Control Blanket - 8' x 112.5' Green
Curlex I - Erosion Control Blanket
Curlex I - Erosion Control Blanket - 8' x 112.5' Green
Curlex I - Erosion Control Blanket - 8' x 112.5' Green
Curlex I - Erosion Control Blanket - 8' x 112.5' Green
Curlex I blanket installed to prevent erosion
Curlex I - Erosion Control Blanket - 8' x 112.5' Green

Curlex I - Erosion Control Blanket - 8' x 112.5' Green

$166.17
Curlex I - Erosion Control Blanket
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan
Curlex I blanket installed to prevent erosion
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan
Curlex I - Erosion Control Blanket
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan
Curlex I blanket installed to prevent erosion
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan
Curlex I - Erosion Control Blanket - 8' x 112.5' Tan

Curlex I - Erosion Control Blanket - 8' x 112.5' Tan

$145.54
Curlex II - Erosion Control Blanket
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II blanket comes in 8 foot wide rolls
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II blanket comes in 8 foot wide rolls
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green
Curlex II - Erosion Control Blanket - 8' x 112.5' Green

Curlex II - Erosion Control Blanket - 8' x 112.5' Green

$185.56


Turf Reinforcement Mats

Turf Reinforcement Mats are similar to Erosion Control Blankets except they are engineered as a long term permanent solution. TRMs are typically constructed of synthetic polypropylene matrix and netting and are placed in higher sloped areas. These mats are also useful in high traffic areas or in places that would normally be very challenging to maintain or mow.  

The effective life of a typical TRM is 2+ years, but most applications are installed with 5+ years in mind. Similar to ECBs these units are staked down on hillsides and provide great protection for grass seed to grow up through the fibrous matrix.

You can find the full collection of Turf Reinforcement Mats here > 

EnkaMat 7010 - Turf Reinforcement Mat
EnkaMat 7010 - Turf Reinforcement Mat
EnkaMat 7010 - Turf Reinforcement Mat
EnkaMat 7010 - Turf Reinforcement Mat
EnkaMat 7010 - Turf Reinforcement Mat
EnkaMat 7010 - Turf Reinforcement Mat
EnkaMat 7010 - Turf Reinforcement Mat
EnkaMat 7010 - Turf Reinforcement Mat

EnkaMat 7010 - Turf Reinforcement Mat

$1,282.38
EnkaMat R45 - High Performance Turf Reinforcement Mat
EnkaMat R45 - High Performance Turf Reinforcement Mat - 8' x 90'
EnkaMat R45 - High Performance Turf Reinforcement Mat - 8' x 90'
EnkaMat R45 - High Performance Turf Reinforcement Mat
EnkaMat R45 - High Performance Turf Reinforcement Mat - 8' x 90'
EnkaMat R45 - High Performance Turf Reinforcement Mat - 8' x 90'

EnkaMat R45 - High Performance Turf Reinforcement Mat - 8' x 90'

$1,619.68
Pyramat 25 Turf Reinforcement Mat 8.5' x 120'
Pyramat 25 Turf Reinforcement Mat 8.5' x 120'
Pyramat 25 Turf Reinforcement Mat 8.5' x 120'
Pyramat 25 Turf Reinforcement Mat 8.5' x 120'
Pyramat 25 Turf Reinforcement Mat 8.5' x 120'
Pyramat 25 Turf Reinforcement Mat 8.5' x 120'

Pyramat 25 Turf Reinforcement Mat 8.5' x 120'

$1,888.76
Pyramat 50 Turf Reinforcement Mat 8.5' x 120'
Pyramat 50 Turf Reinforcement Mat 8.5' x 120'
Pyramat 50 Turf Reinforcement Mat 8.5' x 120'
Pyramat 50 Turf Reinforcement Mat 8.5' x 120'
Pyramat 50 Turf Reinforcement Mat 8.5' x 120'
Pyramat 50 Turf Reinforcement Mat 8.5' x 120'

Pyramat 50 Turf Reinforcement Mat 8.5' x 120'

$2,152.26

How to Apply Erosion Control Fabric

Installation is not complicated and can be done over a weekend with a bit of work following these steps: 

Installing the Landscape Fabric in 3 steps

  • Lay out fabric on slope
  • Pin fabric down with 6" landscape pins
  • apply 4-6 inches of soil/aggregate on top of fabric
PRO TIP:

Always consult the manufacturers installation guide when installing erosion control products. The Installation Guide for GEOTEX can be found below. 

DOWNLOAD FULL GEOTEX INSTALL GUIDE HERE > 

NONWOVEN FABRIC APPLICATION SHEET >

Conclusion

Hillside erosion can be frustrating to deal with, but using Landscape Fabric can help stabilize the soil and provide time for grasses and local vegetation to take root. vegetation root networks are crucial to keeping your hillside from further erosion. 

If the area you are working is fairly steep, or gets a lot of rain then other products like Erosion Control Blankets or Turf Reinforcement Mats will be a better for your project.