--- description: SRW NW4.5 Drainage & Filtration is a non-biodegradable landscape fabric that provides superior soil stability, erosion control, drainage protection, and more. title: NW4.5 Drainage & Filtration Non-Woven Fabric - SRW Products image: https://srwproducts.com/wp-content/uploads/2023/02/NW4.5.webp --- [Skip to content](#fl-main-content) # NW4.5 Drainage & Filtration Fabric NW4.5 offers enhanced strength for demanding projects. This non-woven fabric provides superior puncture resistance and excellent filtration properties. This [landscape fabric](https://srwproducts.com/products/fabric/) is perfect for use in challenging soil conditions or areas with high hydrostatic pressure. NW4.5 is also ideal for critical drainage applications, erosion control on slopes, and engineered retaining wall systems. [ Contact Us ](https://srwproducts.com/contact-us/) [ View Tech Sheets ](#tech-sheets) [![NW4.5](https://srwproducts.com/wp-content/uploads/2023/02/NW4.5-600x600.webp)](https://srwproducts.com/wp-content/uploads/2023/02/NW4.5.webp) Features Applications Comparison Charts Product Details Features * Allows high water flow * Soil separation for added stability * High strength/dimensionally stable * Rot & Mildew Resistant Applications * French Drains * Erosion Control * Behind Retaining Walls * General Landscape Comparison Charts ![](https://srwproducts.com/wp-content/uploads/2021/06/GeotextileSpecs_24.webp)![](https://srwproducts.com/wp-content/uploads/2023/10/Construction-Cross-Ref-Chart.webp) Product Details NW4.5 | Drainage/Filtration Fabric | Non-Woven Needle Punch | **PART NUMBER** | **SIZE** | **SQ YDS/ROLL** | **QUANTITY** | | --------------- | ---------- | --------------- | ------------ | | FNW4.5 03100 | 3´x100´ | 33.33 | 42/CTN | | FNW4.5 03300 | 3´x300´ | 100.00 | 16/PLT | | FNW4.5 04050 | 4´x50´ | 22.22 | 9/CTN | | FNW4.5 04100 | 4´x100´ | 44.44 | 42/CTN | | FNW4.5 04300 | 4´x300´ | 133.33 | 16/PLT | | FNW4.5 06100 | 6´x100´ | 66.67 | 24/PLT | | FNW4.5 06300 | 6´x300´ | 200.00 | 12/PLT | | FCNW4.5 125360 | 12.5´x360´ | 500.00 | 3/BNDL | | FCNW4.5 15360 | 15´x360´ | 600.00 | 3/BNDL | Looking to Buy? **CONTRACTORS:** If you are a contractor looking to try one of our products, [click here](https://srwproducts.com/dealer-locator/) for a dealer in your area, or [click here](https://srwproducts.com/about/sales-team-family/) to connect with your local sales rep for a demo. **DEALERS:** If you are a dealer looking for an in-store demo or to bring a product in, [click here](https://srwproducts.com/dealer-locator/) to find your local sales rep. **HOMEOWNERS:** If you are a homeowner, [click here](https://srwproducts.com/dealer-locator/) to find a dealer in your area. ## NW4.5 Drainage & Filtration Fabric Instructions [![](https://srwproductscom.wpenginepowered.com/wp-content/uploads/2023/02/Fabric_Install6.jpg)](https://srwproductscom.wpenginepowered.com/wp-content/uploads/2023/02/Fabric%5FInstall6.jpg) 1. ### Prepare Area Remove all weeds from the desired area. For added protection, apply pre- emergent herbicide before laying down fabric. 2. ### Place Fabric Unroll fabric and cut to desired length. Fit fabric around plants, lights, etc., by cutting slits “X” where needed. Overlapping a minimum of 4-6 inches and secure with [SRW Fabric Staples](https://srwproductscom.wpenginepowered.com/product/paver-rail-staples/), staggering 1.2 staples per square yard. 3. ### Cover Fabric Immediately cover with 3-4 inches of mulch, bark, decorative rock or stone to protect fabric from sunlight and to enhance the appearance of your project. ### Tech Sheets [ Safety Data Sheet ](https://srwproducts.com/wp-content/uploads/2021/02/Non-Woven-Needle-Punched.-SDS-2024.pdf) [ Spec Sheet ](https://srwproducts.com/wp-content/uploads/NW4.5-Cert-Letter-2024.pdf) Customers Also Search ## Related products * [![NW6](https://srwproducts.com/wp-content/uploads/2023/02/NW6-300x300.webp)NW6 ](https://srwproducts.com/product/nw6/)[Read more](https://srwproducts.com/product/nw6/) * [![NW16](https://srwproducts.com/wp-content/uploads/2023/02/PNG_Images_400x400135-300x300.png)NW16 ](https://srwproducts.com/product/nw16/)[Read more](https://srwproducts.com/product/nw16/) * [![Pro Plus V™](https://srwproducts.com/wp-content/uploads/2023/02/PPV-300x300.webp)Pro Plus V™ ](https://srwproducts.com/product/pro-plus-v-premium-landscape-fabric/)[Read more](https://srwproducts.com/product/pro-plus-v-premium-landscape-fabric/) Frequently Asked Questions ### Where can I buy SRW Non-Woven Fabric? Call us at [1-800-752-9326](tel:+18007529326) or use our dealer locator. We will gladly help locate a dealer near you! ### Where would I use Needle Punched Non-Woven Fabric? It can be used in every area of landscaping, whether its separation, stabilization, water flow or reinforcement. A few examples of where non-woven fabrics can be used: * [EC8](https://srwproductscom.wpenginepowered.com/product/ec8-heavy-duty-erosion-control-non-woven-fabric/) – Rip Wrap along stream banks * [NW6](https://srwproductscom.wpenginepowered.com/product/nw6/) – Separation layer between the soil and a geomembrane * [NW4](https://srwproductscom.wpenginepowered.com/product/nw4/) – Separation layer behind retaining walls as well as fieldstone retaining walls. It can also be used for everyday landscaping. Do you have additional questions? [Contact us](https://srwproducts.com/contact-us/). Download Our Catalog [ Download ](https://srwproducts.com/wp-content/uploads/SRW-Catalog%5F2026-.pdf) ✕ ```json {"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/srwproducts.com\/product\/nw4-5\/","url":"https:\/\/srwproducts.com\/product\/nw4-5\/","name":"NW4.5 Drainage & Filtration Non-Woven Fabric - SRW Products","isPartOf":{"@id":"https:\/\/srwproducts.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/srwproducts.com\/product\/nw4-5\/#primaryimage"},"image":{"@id":"https:\/\/srwproducts.com\/product\/nw4-5\/#primaryimage"},"thumbnailUrl":"https:\/\/srwproducts.com\/wp-content\/uploads\/2023\/02\/NW4.5.webp","datePublished":"2023-02-06T07:26:29+00:00","dateModified":"2024-10-18T16:00:42+00:00","description":"SRW NW4.5 Drainage & Filtration is a non-biodegradable landscape fabric that provides superior soil stability, erosion control, drainage protection, and more.","breadcrumb":{"@id":"https:\/\/srwproducts.com\/product\/nw4-5\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/srwproducts.com\/product\/nw4-5\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/srwproducts.com\/product\/nw4-5\/#primaryimage","url":"https:\/\/srwproducts.com\/wp-content\/uploads\/2023\/02\/NW4.5.webp","contentUrl":"https:\/\/srwproducts.com\/wp-content\/uploads\/2023\/02\/NW4.5.webp","width":834,"height":834},{"@type":"BreadcrumbList","@id":"https:\/\/srwproducts.com\/product\/nw4-5\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/srwproducts.com\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/srwproducts.com\/shop\/"},{"@type":"ListItem","position":3,"name":"NW4.5"}]},{"@type":"WebSite","@id":"https:\/\/srwproducts.com\/#website","url":"https:\/\/srwproducts.com\/","name":"SRW Products","description":"","publisher":{"@id":"https:\/\/srwproducts.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/srwproducts.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/srwproducts.com\/#organization","name":"SRW Products - Adhesives and more","url":"https:\/\/srwproducts.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/srwproducts.com\/#\/schema\/logo\/image\/","url":"https:\/\/srwproducts.com\/wp-content\/uploads\/2020\/05\/cropped-Favicon.png","contentUrl":"https:\/\/srwproducts.com\/wp-content\/uploads\/2020\/05\/cropped-Favicon.png","width":512,"height":512,"caption":"SRW Products - Adhesives and more"},"image":{"@id":"https:\/\/srwproducts.com\/#\/schema\/logo\/image\/"}}]} {"@context":"https:\/\/schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Where can I buy SRW Non-Woven Fabric?","acceptedAnswer":{"@type":"Answer","text":"

Call us at 1-800-752-9326<\/a> or use our dealer locator. We will gladly help locate a dealer near you!<\/p>"}},{"@type":"Question","name":"Where would I use Needle Punched Non-Woven Fabric?","acceptedAnswer":{"@type":"Answer","text":"

It can be used in every area of landscaping, whether its separation, stabilization, water flow or reinforcement.<\/p>

A few examples of where non-woven fabrics can be used:<\/p>