The best erosion control blanket depends on the slope, the way water moves across the site and how long the material must protect exposed soil. For most prepared residential slopes with light sheet flow, a straw or wood-excelsior blanket is a practical starting point. Steeper slopes and longer projects usually require a double-net straw-and-coconut blanket or a denser coir mat.
A lightweight grass-seed mat or sheet of burlap may help with a small lawn repair, but neither should be treated as an engineered lining for a drainage channel, severe hillside or active shoreline. Before buying, identify where the water originates and whether it spreads across the surface or concentrates into a ditch, rut or gully.
Research note: These recommendations are based on current product listings, manufacturer specifications and guidance from public agencies. We have not claimed hands-on testing. Product availability was last checked on July 21, 2026, and dimensions or materials may change by listing or product variant.
This article contains affiliate links. Our Endangered World may earn a commission from qualifying purchases at no additional cost to you. Recommendations are based on product suitability rather than commission rate.
Quick Comparison of the Best Erosion Control Blankets
| Product | Best for | Main material | Typical format | Main limitation |
|---|---|---|---|---|
| DeWitt Curlex I / AEC-SEGRN4 | Most residential seeded slopes | Curled aspen wood fiber | Large single-net roll | Verify netting choice near wildlife; not a permanent channel lining |
| Farm Plastic Supply Straw Blanket | Covering a large, gently sloped seeded area | Straw | Multiple roll widths | Netting and performance limits vary by variant |
| Sandbaggy Coir Mat | Longer-lasting cover on demanding slopes | Coconut coir | Dense woven mat | Heavy, relatively expensive and not a substitute for engineering |
| BioNet S75BN | Wildlife-sensitive and plastic-free projects | Straw | Biodegradable single-net blanket | Short-term product for relatively moderate conditions |
| Western Excelsior Excel CS-3 | Extended temporary protection | 70% straw and 30% coconut fiber | Double-net professional blanket | Usually purchased through a distributor or project supplier |
| AEC Premier Coconut FibreNet | Professional natural-fiber slope and bank projects | Coconut coir | Double jute-net blanket | Product selection and anchoring should follow a site design |
| Growtrax Bermuda Rye Mat | Small, relatively flat lawn repairs | Seed, fertilizer and biodegradable fabric | 50-square-foot consumer mat | Not an engineered erosion blanket for steep or wet sites |
| Easy Gardener Natural Burlap | Light seed protection and moisture retention | Natural burlap | Light woven fabric | Not suitable for severe erosion or concentrated runoff |
What Is an Erosion Control Blanket?
An erosion control blanket, or ECB, is a rolled mat placed over prepared soil to reduce the detachment and movement of soil while seed germinates and vegetation becomes established. Common fiber matrices include agricultural straw, coconut coir and curled wood excelsior.
The Federal Highway Administration classifies an ECB as a type of rolled erosion control product. ECBs are generally degradable and temporary. A turf reinforcement mat, or TRM, is typically a denser, non-degradable three-dimensional system intended to reinforce vegetation under greater long-term hydraulic stress. See the FHWA flexible-lining definitions and design guidance.
Erosion Control Blanket vs. Landscape Fabric
Landscape fabric is principally sold to suppress weeds beneath mulch, stone or planted beds. It may reduce limited soil movement, but woven polypropylene weed barrier is not automatically an erosion control blanket and should not be assumed to have tested slope, shear-stress or channel-flow performance.
A true fiber-filled ECB is designed to lie directly against exposed soil, protect seed and interrupt raindrop impact. Explore other erosion control methods and products when the site needs drainage correction, sediment interception or permanent reinforcement rather than temporary surface cover.
Erosion Control Blanket vs. Grass Seed Mat
A consumer grass-seed mat combines seed, fertilizer or mulch with a thin carrier material. It can simplify a lawn repair, but most consumer mats do not publish the engineering data used to select an ECB for a steep slope or flowing channel. Treat them as lawn-establishment products unless the manufacturer provides tested erosion-control limits for the exact model.
How We Selected These Products
We evaluated products using criteria that affect whether a blanket can perform its actual job:
- Material: straw, coconut coir, curled wood excelsior or lightweight woven fabric.
- Netting: single versus double net, natural versus synthetic, and potential wildlife-entanglement concerns.
- Functional period: short-term seed protection versus extended temporary stabilization.
- Site fit: lawn, prepared slope, drainage area, bank or professionally designed channel.
- Consumer access: whether a homeowner can purchase one roll or must locate a professional distributor.
- Documentation: availability of a recognizable product model, material specification or manufacturer installation guidance.
- Limitations: clear identification of sites where the product should not be used.
The Best Erosion Control Blankets
1. DeWitt Curlex I / AEC-SEGRN4: Best Overall for a Prepared Residential Slope
Best for: A newly graded and seeded residential slope exposed to rainfall and light surface runoff.
Curlex I uses curled aspen wood excelsior rather than straight straw. The curled fibers form a relatively thick, interlocking layer and swell slightly when wet, helping the blanket maintain contact with irregular—but properly prepared—soil.
This is the most balanced consumer-accessible option in the list because it combines a recognizable professional erosion-control material with a roll format that is commonly available from landscape and industrial suppliers.
Advantages:
- Wood-fiber matrix provides more structure than thin burlap or a lawn seed mat.
- Suitable for revegetation and temporary topsoil protection when correctly installed.
- Large roll covers substantially more ground than small consumer lawn mats.
Limitations: The standard Curlex I specification can include polypropylene netting. Choose a biodegradable or net-free version when wildlife exposure is a priority. Do not use a single-net residential blanket as a permanent substitute for a tested TRM, riprap or professionally designed channel lining.
Check the current Curlex blanket listing on Amazon
2. Farm Plastic Supply Straw Blanket: Best Value for a Large Gentle Slope
Best for: Covering a broad seeded area where runoff remains shallow and spread across the surface.
A standard straw blanket is often the economical choice for short-term soil cover. Straw reduces direct raindrop impact, protects seed from minor wash-away and helps the upper soil layer retain moisture during germination.
The linked Farm Plastic Supply listing has been offered in a full-length landscape roll, providing far more coverage than small grass-seed mats. Verify the selected width, netting material and included accessories before ordering because retailer variants can differ.
Advantages:
- Good coverage per roll for a residential or small commercial site.
- Straw is a practical temporary mulch for rapid vegetation establishment.
- Useful where a loose straw mulch would otherwise blow or wash away.
Limitations: A generic straw blanket should not be selected for a severe slope merely because it is double-netted. Check the exact product’s slope and flow documentation. Confirm that the straw is appropriately processed and that the netting is acceptable for the site.
Check the current Farm Plastic Supply blanket on Amazon
3. Sandbaggy Coir Mat: Best for Longer Protection on a Demanding Slope
Best for: A steep or erosion-prone slope that needs a denser natural-fiber mat and a longer temporary service period.
Coir is made from coconut husk fiber. It is stronger and slower to break down than ordinary agricultural straw, making it useful where vegetation needs more time to establish or rainfall repeatedly stresses the surface.
Sandbaggy markets its dense coir mat for hillsides, banks and environmentally sensitive areas. The current large-roll listing is intended for substantial projects rather than a small patch beside a sidewalk.
Advantages:
- Natural coconut fiber offers a longer temporary functional period than basic straw.
- Open construction permits vegetation to grow through the mat.
- Large format reduces the number of end-to-end seams on a broad slope.
Limitations: A coir mat is heavy and can be difficult to position on a steep bank. Shoreline, stream and high-flow applications require more than choosing a product from a retail description. Investigate drainage, permitting, toe protection, anchoring and hydraulic forces before installation. Read more about wetland ecosystems before disturbing a sensitive bank.
Check the current Sandbaggy coir mat on Amazon
4. BioNet S75BN: Best Fully Biodegradable Option for Wildlife-Sensitive Areas
Best for: A moderate, short-term revegetation project where avoiding persistent plastic netting is a major requirement.
BioNet S75BN combines a straw fiber matrix with biodegradable natural-fiber netting and stitching. Its manufacturer positions it as a short-term blanket that supports vegetation while the complete system degrades.
This matters because “photodegradable” plastic is not the same as a fully biodegradable natural-fiber system. Plastic mesh may remain intact long enough to entangle snakes, birds, amphibians and small mammals.
The U.S. Fish and Wildlife Service recommends wildlife-friendly netting with a loose weave, movable joints and properly buried edges.
Advantages:
- Fiber, net and thread are intended to biodegrade.
- Suitable for environmentally sensitive sites where a short-term straw blanket is adequate.
- Avoids leaving a persistent synthetic mesh after vegetation becomes established.
Limitations: S75BN is a short-term, single-net product. Do not infer that biodegradability makes it suitable for every steep slope or channel. Select a stronger BioNet model or another tested product when the site exceeds its published limits.
View the BioNet S75BN product listing
5. Western Excelsior Excel CS-3: Best Straw-and-Coconut Blend
Best for: A project that needs more strength and a longer functional period than a standard short-term straw blanket.
Excel CS-3 uses a matrix of 70% agricultural straw and 30% coconut fiber. The straw provides coverage and moisture retention, while the coir increases strength and slows the matrix’s breakdown. The standard product uses double netting; the CS-3 All Natural version uses biodegradable netting.
This is a useful middle ground between a low-cost straw blanket and a dense all-coir mat. It is particularly relevant when vegetation may require more than one growing season to provide dependable surface protection.
Advantages:
- More durable matrix than a basic straw-only blanket.
- Double-net construction improves integrity during installation and early vegetation growth.
- Available in an all-natural version for sites where synthetic netting is inappropriate.
Limitations: This is generally a professional supply product rather than a small consumer roll. Confirm the exact CS-3 variant because the standard and all-natural versions use different netting materials.
Review Excel CS-3 specifications and distributor information
6. AEC Premier Coconut FibreNet: Best Professional Natural-Fiber Blanket
Best for: A professionally planned slope, bank or channel that calls for a dense coconut matrix and natural jute netting.
AEC Premier Coconut FibreNet combines coconut fibers with jute netting on the top and bottom. The manufacturer describes the system as fully biodegradable when it is ordered with biodegradable stitching thread.
Unlike an undifferentiated retail “coconut blanket,” this product has a published material data sheet and manufacturer-defined performance criteria. That documentation makes it more appropriate for specifications, bids and engineered restoration work.
Advantages:
- Dense 100% coconut-fiber matrix.
- Natural jute netting rather than standard plastic mesh.
- Published dimensions and performance data for professional selection.
Limitations: Do not apply a published maximum slope or flow rating to a site without checking soil, drainage, installation details and local requirements. The biodegradable-thread option must be specified if complete biodegradability is required.
Review the AEC Premier Coconut FibreNet data sheet
7. Growtrax Bermuda Rye Mat: Best for a Small Lawn Repair
Best for: Filling a small bare patch or establishing grass on a relatively level residential area with controllable irrigation.
The linked Growtrax mat combines a biodegradable carrier with a Bermuda and ryegrass seed blend. It is compact, easy to cut and more convenient than purchasing a full commercial blanket roll for a small lawn patch.
This convenience is also its limitation. A 50-square-foot seed mat is primarily a lawn-establishment product. It should not be presented as the answer to a steep eroding hillside, drainage ditch or recurring gully.
Advantages:
- Seed, carrier and fertilizer are combined in one small format.
- Simple to cut around an irregular lawn repair.
- Helps prevent minor displacement of seed during watering.
Limitations: Confirm that the seed blend is appropriate for your climate, sun exposure and desired lawn. Bermuda grass is not the right choice for every region. Do not use this mat where concentrated runoff or slope instability is present.
Check the current Growtrax Bermuda Rye listing on Amazon
8. Easy Gardener Natural Burlap: Best for Light Seed Protection
Best for: Covering newly seeded soil in a garden or gentle lawn area where the main concerns are moisture loss, birds and minor wash-away.
Natural burlap is inexpensive, easy to cut and useful for a range of horticultural tasks. Its open weave permits water and light to pass while reducing the direct impact of rain on loose seed.
It is included because many homeowners searching for an erosion blanket actually need simple seed protection rather than an engineered rolled product. Labeling it accurately prevents buyers from paying for more material than they need—or relying on burlap where it cannot perform.
Advantages:
- Low-cost option for small, gentle planting areas.
- Natural woven material is easy to trim and stake.
- Supports moisture retention and minor seed protection.
Limitations: Burlap is not a high-velocity ECB, a turf reinforcement mat or a solution for an actively failing slope. It contains no thick straw, coir or excelsior matrix to protect soil under demanding runoff.
Check the current Easy Gardener burlap listing on Amazon
How to Choose an Erosion Control Blanket
1. Determine Whether the Water Is Sheet Flow or Concentrated Flow
Sheet flow spreads shallowly across a surface. Concentrated flow collects in a rut, swale, pipe outlet, ditch or channel. A basic blanket is far more likely to succeed under sheet flow than beneath fast, concentrated water.
Fix an upslope downspout, broken drain, compacted pathway or uncontrolled outlet before covering the damage. A blanket cannot compensate for water that continues to scour beneath it. Understanding how water flow affects landscapes is more important than buying the thickest-looking roll.
2. Measure the Slope
Slope ratios compare horizontal distance with vertical rise. A 3:1 slope runs three feet horizontally for every one foot of elevation change. A 2:1 slope is steeper, and a 1:1 slope is approximately 45 degrees.
Do not rely on visual judgment alone. Measure the rise and run, then compare the result with the exact manufacturer’s recommended application. Different types of terrain, soils and drainage patterns can make slopes with the same ratio behave differently.
3. Match the Material to the Required Service Period
- Straw: Economical and generally suited to short-term vegetation establishment under relatively moderate conditions.
- Wood excelsior: Curled fibers create a substantial matrix that conforms well to prepared soil.
- Straw and coconut blend: A middle ground that generally lasts longer and has greater integrity than lightweight straw alone.
- Coir: Dense coconut fiber is useful when the project needs a longer temporary period or greater natural-fiber strength.
- Synthetic TRM: A permanent reinforcement product for vegetation under greater hydraulic stress; it is not simply a “permanent erosion blanket.”
Marketing terms such as degradable, photodegradable, biodegradable and compostable are not interchangeable. Review the difference between biodegradable and compostable materials before assuming a plastic-containing product will harmlessly disappear.
4. Check Both the Fiber Matrix and the Netting
A product can contain natural straw or coconut fiber while still using polypropylene netting and synthetic stitching. If the blanket will remain near a wetland, forest edge, grassland or wildlife corridor, look for biodegradable natural-fiber netting with a loose weave and movable joints.
Netting should lie flat against the soil and have its edges buried or securely anchored. Loose, elevated or damaged mesh increases the chance of wildlife entanglement and allows water to travel beneath the blanket.
5. Calculate Coverage and Overlap
Measure the slope surface rather than the flat map area. Add material for the top anchor trench, bottom termination and required side or end overlaps. A roll’s nominal square footage is not the same as its final installed coverage.
Also budget for the correct staples or stakes. Anchor length, material and density depend on soil firmness, blanket type, slope and water exposure. Soft soil and steep slopes generally need longer or more frequent anchors than firm, gentle ground.
6. Choose Vegetation for the Site
The blanket is temporary protection; established roots are usually the intended long-term defense. Choose grasses, native plants or other vegetation suited to the region, soil moisture, sunlight, maintenance plan and local ecosystem.
A pre-seeded mat saves time only when its included seed is appropriate. In many restoration projects, buying an unseeded blanket and selecting a locally suitable seed mix is the better option.
How to Install an Erosion Control Blanket
Always follow the installation diagram for the exact product. The following sequence reflects common slope-installation principles, not a substitute for a manufacturer or engineered plan.
- Correct the water source. Redirect uncontrolled downspouts, repair pipe outlets and address concentrated runoff before covering the slope.
- Shape and smooth the soil. Remove rocks, sticks, clods and debris. Fill rills and depressions so the blanket can maintain continuous soil contact.
- Prepare the seedbed. Apply the appropriate soil amendments and seed before installing the blanket unless the product instructions specify a different sequence.
- Excavate the top or upstream anchor trench. A 6-inch-by-6-inch trench is common in public installation details, but the manufacturer’s dimensions control.
- Anchor, backfill and compact the trench. Secure the leading edge, refill the trench with soil and compact it so runoff cannot enter beneath the blanket.
- Unroll in the direction of flow without stretching. Let the material rest against the contours of the soil. Shingle overlaps so the uphill blanket lies over the downhill blanket.
- Staple the field, seams and terminations. Use the exact pattern and anchor type required by the manufacturer. Drive anchors flush without tenting the material.
- Inspect after watering and storms. Repair lifted seams, exposed soil, undermining and displaced anchors immediately. Vegetation should grow through the blanket rather than underneath a suspended layer.
The USDA Natural Resources Conservation Service emphasizes smooth soil preparation and secure anchoring because poor soil contact allows water to travel under the blanket. Review the agency’s erosion-control blanket guidance for a concise illustrated overview.
When an Erosion Control Blanket Is Not Enough
Stop treating the project as a simple blanket installation when you see:
- A deepening gully or exposed subsoil after every storm.
- Flow from a culvert, pipe, roof drain or neighboring property striking the slope.
- Cracks, slumping, bulging soil or leaning trees and retaining structures.
- Persistent groundwater seepage or saturated soil.
- A streambank, lake edge or shoreline exposed to waves, fluctuating water levels or scour.
- A drainage channel carrying swift or recurring concentrated flow.
- A public construction site subject to an erosion and sediment control plan.
These conditions may require drainage redesign, grading, terracing, toe reinforcement, rock, vegetated geogrids, a turf reinforcement mat or another engineered system. A qualified civil, geotechnical or erosion-control professional can evaluate the failure mechanism rather than merely covering its symptoms.
Waterfront property owners should also review the specific causes and remedies associated with lake shoreline erosion and confirm permit requirements before disturbing a bank.
Frequently Asked Questions
What is the best erosion control blanket for a steep slope?
A double-net straw-and-coconut blanket or dense coir blanket is often a stronger temporary option than a single-net straw blanket. The correct choice still depends on the measured slope, soil, runoff and the exact manufacturer’s performance limits. Active slope failure or concentrated channel flow requires professional evaluation.
Do you put grass seed under an erosion control blanket?
Yes, most unseeded erosion control blankets are installed after the soil has been prepared and seeded. The blanket then protects the seed and soil while vegetation becomes established. Follow the product instructions because pre-seeded mats and specialized systems may use a different sequence.
How long does an erosion control blanket last?
Functional life varies from a few months for rapid-degrading products to several growing seasons for dense coconut blankets. Climate, sunlight, moisture, soil contact and installation quality affect the actual service period. Use the data sheet for the exact product rather than a general material estimate.
Can you mow over an erosion control blanket?
Wait until vegetation is established and the blanket is tight against the soil. High netting, loose staples or exposed material can catch in mower blades. Follow the manufacturer’s mowing instructions and inspect the area before each early mowing.
Which direction should an erosion control blanket be installed?
On a long slope, blankets are commonly unrolled from the top toward the bottom in the direction of runoff. In channels and other specialized applications, orientation and trenching depend on the design. Uphill pieces should overlap downhill pieces so water does not enter beneath a seam.
Is landscape fabric the same as an erosion control blanket?
No. Landscape fabric is usually designed for weed suppression beneath mulch or stone. An erosion control blanket contains a fiber matrix intended to protect exposed soil and support vegetation. Weed barrier should not be assumed to have tested performance for slopes or flowing water.
Final Verdict
For a typical prepared residential slope with sheet flow, the DeWitt Curlex I blanket is the strongest general starting point in this list. A standard straw blanket can provide better value across a large gentle area, while a dense Sandbaggy coir mat or professionally specified coconut product is more appropriate when the site needs a longer temporary service period.
Choose BioNet or another natural-net product where wildlife exposure makes plastic mesh undesirable. Reserve Growtrax and natural burlap for small, light-duty planting tasks rather than severe erosion.
The material is only one part of the system. Accurate slope measurement, proper seed selection, direct soil contact, secure trenching, sufficient anchoring and control of the water source determine whether the installation succeeds.