Description
#8 Cotton Duck Canvas Fabric – Grey | Heavyweight 18oz Duck Cloth
Our #8 cotton duck canvas fabric in Grey is an ultra-heavyweight 18oz cotton duck cloth engineered for demanding industrial, upholstery, utility, and outdoor applications. Built with a rugged plain weave double-filled construction, this heavyweight canvas delivers exceptional durability, structure, abrasion resistance, and long-term performance.
The Grey color offers a versatile industrial-inspired neutral that works beautifully for duffle bags, heavy tote bags, director’s chairs, floor cloths, industrial covers, upholstery, tool bags, workshop gear, theatrical staging, wall coverings, and rugged sewn products. Its balanced neutral tone makes it easy to pair with both modern and rustic design palettes.
Often referred to as chair duck or duffle bag canvas, #8 duck is one of the heaviest numbered cotton duck fabrics available. It provides substantially more body and structure than lighter #10 or #12 duck fabrics, making it ideal for projects requiring rugged durability and heavy-duty performance.
Grey remains one of the most practical and versatile canvas colors because it works across industrial interiors, workshop applications, modern upholstery, utility sewing, urban décor, outdoor projects, branded sewn goods, and commercial environments. The neutral grey tone also helps conceal dirt, wear, and everyday use while maintaining a clean professional appearance.
Need FR treatment? This fabric can be treated for fire retardancy (FR) upon request for qualifying industrial, commercial, theatrical, or specialty applications. Minimums and lead times may apply.
Not sure if #8 duck canvas is right for your project? Browse our Cotton Duck Fabric collection, explore our cut & sew manufacturing services, or order a fabric sample here.
Key Features
- #8 cotton duck canvas — ultra-heavyweight 18oz duck cloth
- 100% cotton construction — durable natural fiber canvas
- Plain weave double-filled construction — dense and abrasion-resistant
- Grey color — versatile industrial neutral canvas
- Chair duck & duffle bag weight — ideal for heavy-duty sewn products
- Light DWR finish — helps resist minor stains and dirt
- Excellent structure & body — ideal for industrial and utility projects
- FR treatment available — fire retardant treatment available upon request
- Sold by the yard or roll — ideal for production and manufacturing
Project Ideas
- Duffle bags, heavy tote bags, and utility gear
- Director’s chair seat and back replacements
- Floor cloths, painted canvas rugs, and heavy art surfaces
- Industrial covers, tarps, and workshop applications
- Tool bags, aprons, and rugged sewn products
- Theatrical staging, sound barriers, and backdrops
- Modern upholstery, wall coverings, and commercial décor
Specifications / Information
| Category | Double Filled Numbered Duck, Cotton Duck Fabric, Heavyweight Canvas |
| Color | Grey |
| Fabric Content | 100% Cotton |
| Duck Number | #8 Cotton Duck |
| Fabric Width | 60" — 1 Linear Yard = Approx. 60" x 36" |
| Weight | 18oz per Square Yard |
| Hand | Medium / Heavy |
| Weave Construction | Plain Weave Double Filled |
| Finish | Light DWR Finish for Stain Resistance (Not Waterproof) |
| Shrinkage | Approx. 6–8% |
| Roll Size | Maximum of 50 Yards Continuous |
| Fire Retardant | Not fire retardant as stocked — FR treatment available upon request |
| Care Instructions | To minimize shrinking, machine wash in cold water and tumble dry without heat or air dry. Avoid bleach. Heavy canvases soften and gain character after laundering. |
| Testing | Fabric should be tested for your specific requirements prior to cutting. No claims are allowed on processed goods. |
| Ordering | Please order enough fabric to complete your project. Dye lots may vary slightly and exact future color matches cannot be guaranteed. |
* Each color is a representation of our stocked color standard and may vary slightly by dye lot and production run. Medium and darker colors may crock or bleed and should not be mixed with white or light colors. We recommend ordering a sample swatch before large production runs.
Frequently Asked Questions
What is Grey #8 canvas commonly used for?
Grey #8 cotton duck canvas is commonly used for industrial covers, heavy tote bags, floor cloths, upholstery, workshop gear, director’s chairs, tarps, and rugged utility sewing projects.
Why is Grey canvas popular for industrial projects?
Grey provides a clean professional appearance while helping conceal dirt, wear, and everyday use, making it ideal for industrial, workshop, and commercial environments.
Is Grey #8 duck good for modern upholstery?
Yes. The neutral Grey tone pairs well with modern industrial interiors, urban décor, and commercial design palettes while offering excellent durability.
What makes #8 cotton duck different from lighter duck cloth?
#8 duck is significantly heavier and more structured than lighter duck fabrics, making it ideal for demanding utility, industrial, and heavy sewing applications.
Can this canvas be treated for fire retardancy?
Yes. FR treatment is available upon request for qualifying commercial, industrial, theatrical, and specialty applications.
Is this fabric suitable for floor cloths?
Absolutely. The heavyweight 18oz construction makes #8 duck an excellent choice for painted floor cloths, canvas rugs, and decorative heavy art surfaces.
Does this fabric soften over time?
Yes. Heavy cotton duck canvas softens and develops character with use and laundering while still maintaining excellent durability and structure.
Can I order a sample before purchasing?
Yes! Order a fabric sample here to review the color, texture, and weight before placing a larger order.
