Description
#8 Cotton Duck Canvas Fabric – Black | Heavyweight 18oz Duck Cloth
Our #8 cotton duck canvas fabric in Black is an ultra-heavyweight 18oz cotton duck cloth engineered for demanding industrial, tactical, 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 Black color offers a timeless deep neutral appearance ideal for heavy tote bags, duffle bags, tactical gear, industrial covers, floor cloths, director’s chairs, workshop applications, upholstery, theatrical staging, equipment cases, and rugged sewn products. Its versatile dark tone pairs well with nearly any design style while helping conceal dirt, wear, grease, and everyday use.
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 demanding applications where rugged performance matters.
Black heavyweight canvas remains one of the most versatile and widely used colors for industrial sewing, tactical applications, modern interiors, stage productions, outdoor gear, workshop projects, commercial products, utility equipment, and heritage-style canvas goods. The deep black finish creates a clean professional appearance while maintaining the rugged durability expected from heavyweight cotton duck.
Need FR treatment? This fabric can be treated for fire retardancy (FR) upon request for qualifying industrial, commercial, theatrical, tactical, 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
- Black color — versatile industrial and tactical 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 tactical gear
- Director’s chair seat and back replacements
- Industrial covers, tarps, and workshop applications
- Floor cloths, painted canvas rugs, and heavy art surfaces
- Tool bags, utility aprons, and equipment organizers
- Theatrical staging, sound barriers, and stage backdrops
- Modern upholstery, commercial décor, and wall coverings
Specifications / Information
| Category | Double Filled Numbered Duck, Cotton Duck Fabric, Heavyweight Canvas |
| Color | Black |
| 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. 10-15% |
| 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. Deep 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
Why is Black #8 canvas one of the most versatile duck fabrics?
Black works across tactical, industrial, commercial, outdoor, theatrical, and modern interior applications while helping conceal dirt, wear, grease, and heavy everyday use.
Is Black #8 duck good for tactical and utility gear?
Yes. The heavyweight 18oz construction and deep black color make this fabric popular for tactical bags, tool organizers, utility gear, equipment covers, and industrial sewing projects.
Can Black canvas be used for stage and theatrical applications?
Absolutely. Black heavyweight canvas is commonly used for stage backdrops, theatrical staging, sound barriers, curtains, and production environments because of its durability and light-absorbing appearance.
How stiff is #8 cotton duck canvas?
#8 duck has a firm structured feel compared to lighter duck fabrics, making it ideal for projects that require body, shape retention, and rugged durability.
Can this fabric be treated for fire retardancy?
Yes. FR treatment is available upon request for qualifying industrial, theatrical, tactical, commercial, and specialty applications.
Does black cotton canvas fade over time?
Like most dyed cotton fabrics, prolonged UV exposure may eventually cause some fading over time. Outdoor applications should always be tested for specific environmental conditions.
What sewing equipment is recommended for #8 duck canvas?
Because of the heavyweight construction, we recommend using heavy-duty sewing machines, denim needles, and strong upholstery or outdoor-rated thread for best results.
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.
