Heavy Duty Drainage Fabric for Water Flow & Soil Separation
Sandbaggy 8 oz Non Woven Drainage Fabric is a commercial-grade geotextile built for demanding drainage, filtration, and soil separation applications. Use it for french drains, trench drains, retaining walls, drainage pipe systems, foundation drainage, and drainage ditches where dependable water flow and long-term durability matter.
This thick 8 oz non woven fabric allows water to pass through while helping prevent surrounding soil from migrating into gravel, pipe, and drainage zones. It is ideal for residential, commercial, agricultural, and municipal drainage projects.
For contractors and homeowners who need more than light-duty landscape cloth, Sandbaggy delivers heavy-duty drainage performance built to last.
Features
- Made In The USA – Manufactured in America for dependable quality and consistent performance.
- Heavy Duty 8 oz Fabric – Thick commercial-grade non woven fabric built for demanding drainage installs where lighter fabrics may fail.
- High Water Flow & Filtration – 80 sieve rating with approximately 110 GPM per square foot flow rate.
- Long Service Life – Built to last 50+ years when buried and protected from prolonged UV exposure.*
- Industry Standards – DOT compliant, Meets AASHTO Standards, NTPEP compliant.
- Large Roll Size Selection – Available in multiple sizes up to 17.5 ft wide. Bulk pricing available.
Specs
- Fabric Weight: 8 oz
- Material: Non Woven Polypropylene
- Construction: Double Punched – Needle Punched
- Color: Black
- Sieve Rating: 80
- Flow Rate: 110 GPM per sq ft
- Width Options: Multiple sizes up to 17.5 ft wide
- Compliance: DOT compliant / Meets AASHTO Standards / NTPEP compliant
Best Uses
- French drain fabric wrap and trench systems
- Foundation drainage around homes and buildings
- Retaining wall backfill drainage
- Drainage pipe wrap / pipe envelope systems
- Drainage ditches and channel lining
- Trench drain stone separation
- Driveway drainage and aggregate separation
- Soil separation and filtration zones
- Rip rap underlayment
- General residential and commercial drainage projects
Why Choose 8 oz Instead of Lighter Fabric?
Lighter fabrics may work for basic jobs, but 8 oz non woven drainage fabric is preferred when durability matters. The thicker construction helps resist punctures from sharp rock, aggressive backfill, and tough trench conditions while still allowing strong water flow-through.
Common Drainage Applications
- French Drains: Wrap pipe and gravel while helping reduce soil intrusion.
- Retaining Walls: Separate backfill soil from drainage stone.
- Foundation Drainage: Helps move water away from structures.
- Drainage Ditches: Supports filtration beneath rock or aggregate.
- Drainage Pipe: Use around perforated pipe systems for cleaner flow paths.
- Trenches: Helps stabilize drainage aggregate zones.
Why Sandbaggy
- USA Made quality
- Heavy duty contractor-grade fabric
- Large roll size selection
- Bulk pricing available
- Fast shipping
- Trusted nationwide by contractors, farms, and property owners
FAQ
What is drainage fabric used for?
Drainage fabric is used where water must pass through while helping keep soil separated. Common uses include french drains, retaining walls, trenches, drainage pipe systems, foundation drainage, and drainage ditches.
Does this fabric let water through?
Yes. This non woven fabric is designed for drainage and allows approximately 110 GPM per square foot.
Can I use this drainage filter fabric behind a retaining wall?
Yes. This permeable drainage fabric is commonly used behind retaining walls to help separate soil from drainage stone while allowing water to pass.
Can this be used for foundation drainage?
Yes. It is commonly used around foundations to help move water toward drainage systems while helping keep surrounding soil separated.
How long does it last?
When properly buried and protected from prolonged sunlight exposure, this fabric is designed for long service life and can last 50+ years depending on site conditions.*
*Estimated service life when properly installed underground and protected from prolonged UV exposure. Actual lifespan depends on site conditions, installation method, soil chemistry, and load conditions.